Initial commit: Babylon MCP server
- MCP server infrastructure with Express and SSE transport - Repository management for BabylonJS repos (Documentation, Babylon.js, havok) - Comprehensive test suite with 100% coverage (87 tests passing) - All code meets standards (files <100 lines, functions <20 lines) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
commit
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.gitignore
vendored
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.gitignore
vendored
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# Dependencies
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node_modules/
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# Build output
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dist/
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# Test Coverage
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coverage/
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# Data (cloned repositories)
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data/**
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# Git backup
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||||
.git.backup/
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|
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# Environment variables
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.env
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.env.local
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.env.*.local
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# IDE
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.vscode/
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.idea/
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*.swp
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*.swo
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# OS
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.DS_Store
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Thumbs.db
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# Logs
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logs/
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*.log
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npm-debug.log*
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CLAUDE.md
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CLAUDE.md
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# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## Project Overview
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A TypeScript-based Node.js project using Express.js for building a Babylon MCP server. The project uses ES modules and modern TypeScript standards.
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## Goals:
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* Enable developers using babylonjs to quickly and easily search most current documentation for api documentation.
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* Reduce token usage when using AI agents by having a canonical source for the framework and documentation.
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* Enable developers to quickly and easily find sanbox examples
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* Provide a mechanism to give feedback on how useful a particular result from the MCP server is for what they're trying to do
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* Provide a mechanism to store feedback and use it to boost or lower probability of it being useful
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* Provide a mechanism to collect feature enhancements or improvements and store them
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* Provide a mechanism for users to see what other people have recommended and vote on the usefulness for them
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## Sources of information:
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* **Documentation** https://github.com/BabylonJS/Documentation.git
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* **Babylon Source** https://github.com/BabylonJS/Babylon.js.git
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* **Havok Physics** https://github.com/BabylonJS/havok.git
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## Roadmap Progress Tracking
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When updating ROADMAP.md to track progress:
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* Use `[X]` to mark completed tasks
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* Use `[I]` to mark tasks currently in progress
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* Use `[ ]` for tasks not yet started
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This provides a clear visual indicator of project status.
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## Development Commands
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### Unified Server (MCP + Web Interface)
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- `npm run dev` - Start server in development mode with hot reload (tsx watch)
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- `npm run build` - Compile TypeScript to JavaScript in dist/
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- `npm start` - Run compiled server from dist/
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### Build & Testing
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- `npm run typecheck` - Run TypeScript type checking without emitting files
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- `npm run clean` - Remove the dist/ directory
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- `npm test` - Run tests in watch mode
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- `npm run test:run` - Run all tests once
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- `npm run test:ui` - Run tests with interactive UI
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- `npm run test:coverage` - Run tests with coverage report
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The server runs on **port 4000** by default and provides both MCP endpoints and web interface.
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## Architecture
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### Technology Stack
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- **Runtime**: Node.js with ES modules
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- **Language**: TypeScript 5.9+ with strict mode enabled
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- **MCP Server**: @modelcontextprotocol/sdk v1.22+ (StreamableHTTPServerTransport)
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- **Web Framework**: Express.js 5.x (integrated with MCP server)
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- **Build Tool**: TypeScript compiler (tsc)
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- **Dev Tools**: tsx (TypeScript executor with watch mode)
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- **Testing**: Vitest 4.x with v8 coverage provider
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- **HTTP Testing**: supertest for Express route testing
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- **Schema Validation**: Zod v3.23.8 (compatible with MCP SDK)
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|
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### TypeScript Configuration
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- **Target**: ES2022 with NodeNext module resolution
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- **Strict Mode**: All strict checks enabled including:
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- `noUnusedLocals`, `noUnusedParameters`
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- `noUncheckedIndexedAccess`
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- `exactOptionalPropertyTypes`
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- `noImplicitOverride`
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- **Module System**: ES modules (`"type": "module"` in package.json)
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- **Output**: Compiled files go to `dist/` with source maps and declaration files
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### Project Structure
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```
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src/
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mcp/
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index.ts - Main server entry point
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server.ts - BabylonMCPServer class (MCP + Express integrated)
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config.ts - Server configuration and metadata
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handlers.ts - MCP tool handlers (search_babylon_docs, get_babylon_doc)
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routes.ts - Express route definitions (/, /health, /mcp)
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transport.ts - HTTP transport layer for MCP requests
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*.test.ts - Co-located unit tests for each module
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__tests__/
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setup.ts - Global test setup and teardown
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fixtures/ - Test fixtures (mock MCP requests, etc.)
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index.ts - Re-exports for library usage
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dist/ - Compiled JavaScript output (gitignored)
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vitest.config.ts - Vitest test configuration
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```
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### MCP Server Architecture
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The MCP (Model Context Protocol) server is the primary interface for this application. It provides tools that AI agents can use to search and retrieve Babylon.js documentation.
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#### Current MCP Tools
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- **search_babylon_docs**: Search Babylon.js documentation
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- Input: `query` (string), optional `category` (string), optional `limit` (number)
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- Output: Ranked documentation results with snippets and links
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- Status: Placeholder implementation
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- **get_babylon_doc**: Retrieve full documentation content
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- Input: `path` (string) - documentation file path or identifier
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- Output: Full documentation content optimized for AI consumption
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- Status: Placeholder implementation
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#### MCP Server Details
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- **Transport**: HTTP with StreamableHTTPServerTransport (stateless mode)
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- **Default Port**: 4000
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- **Root Endpoint**: `http://localhost:4000/` (GET - server info)
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- **MCP Endpoint**: `http://localhost:4000/mcp` (POST - JSON-RPC requests)
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- **Health Check**: `http://localhost:4000/health` (GET request)
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- **Server Name**: babylon-mcp
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- **Version**: 1.0.0
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- **Location**: `src/mcp/server.ts`
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- **Configuration**: `src/mcp/config.ts`
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The server is a unified Express + MCP application. It uses the official MCP SDK with StreamableHTTPServerTransport and implements the standard MCP protocol for tool listing and execution over HTTP POST requests with JSON-RPC.
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## Testing Strategy
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### Test Framework: Vitest
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We use Vitest for unit testing due to its:
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- Native ES modules and TypeScript support
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- 10-20x faster than Jest
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- Compatible API with Jest for easy migration
|
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- Built-in coverage via v8
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### Test Organization
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- **Co-located tests**: Each source file has a corresponding `.test.ts` file in the same directory
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- **AAA Pattern**: Tests follow Arrange-Act-Assert structure
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- **Comprehensive mocking**: All external dependencies (MCP SDK, Express, etc.) are properly mocked
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### Coverage Targets
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- **Lines**: 80% minimum
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- **Functions**: 80% minimum
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- **Branches**: 75% minimum
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- **Statements**: 80% minimum
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Current coverage: **100% across all metrics** ✓
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### Test Suites
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1. **config.test.ts** (19 tests)
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- Server metadata validation
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- Capability definitions
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- Transport configuration
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- Source repository URLs
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2. **handlers.test.ts** (18 tests)
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- MCP tool registration
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- search_babylon_docs handler (query, category, limit parameters)
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- get_babylon_doc handler (path parameter)
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- Zod schema validation
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- Response format compliance
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3. **routes.test.ts** (12 tests)
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- Express middleware setup
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- Root endpoint (GET /)
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- Health check endpoint (GET /health)
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- MCP endpoint (POST /mcp)
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- 404 handling
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4. **transport.test.ts** (9 tests)
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- StreamableHTTPServerTransport creation
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- Server connection lifecycle
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- Request handling
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- Response close listener
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- JSON-RPC error responses
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5. **server.test.ts** (15 tests)
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- BabylonMCPServer construction
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- HTTP server startup (default and custom ports)
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- Graceful shutdown
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- SIGINT/SIGTERM signal handling
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### Running Tests
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```bash
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npm test # Watch mode for development
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npm run test:run # Run once (CI/CD)
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npm run test:ui # Interactive UI
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npm run test:coverage # Generate coverage report
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```
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### Testing Best Practices
|
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- Use TypeScript non-null assertions (`!`) in tests for cleaner code
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- Mock external dependencies at module level
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- Test both success and error paths
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- Verify mock call counts and arguments
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- Test edge cases (empty arrays, undefined values, errors)
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## Coding Standards
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### Naming Conventions
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### General Guidance
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* Prefer short methods and files.
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* Functions shorter than 20 lines
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* Files smaller than 100 lines
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* Prefer using third party libraries if generated code is going to exceed size standards.
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* Prompt to search npmjs and the internet to see if there are libraries that might meet our needs.
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* Think deeply and advise on tradeoffs for libraries (including popularity, update frequency, and any security vulnerabilityes)
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* Don't use libraries flagged as outdated or no longer maintained
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* Prefer libraries with fewer dependencies over those with many
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* when selecting approaches, check documentation for deprecated code and research alternatives or new approaches.
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- I'm ok with ! operator in test cases, but only use rarely in runtime code.
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324
ROADMAP.md
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# Babylon MCP Server - Development Roadmap
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## Vision
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Build an MCP (Model Context Protocol) server that helps developers working with Babylon.js by providing intelligent documentation search and sandbox examples. The MCP server serves as a canonical, token-efficient source for Babylon.js framework information when using AI agents, while incorporating community feedback to continuously improve search relevance.
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## Documentation Source
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- **Repository**: https://github.com/BabylonJS/Documentation.git
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- This is the authoritative source for all Babylon.js documentation
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---
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## Phase 1: Core MCP Infrastructure & Documentation Indexing
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**Goal**: Establish foundational MCP server with documentation search from the canonical GitHub source
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### 1.1 MCP Server Setup
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- [X] Install and configure MCP SDK (@modelcontextprotocol/sdk)
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- [X] Implement MCP server with HTTP transport (SSE)
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- [X] Define MCP server metadata and capabilities
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- [X] Create basic server lifecycle management (startup, shutdown, error handling)
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### 1.2 Documentation Repository Integration
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- [X] Clone and set up local copy of BabylonJS/Documentation repository
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- [X] Implement automated git pull mechanism for updates
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- [ ] Parse documentation file structure (markdown files, code examples)
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- [ ] Extract metadata from documentation files (titles, categories, versions)
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- [ ] Create documentation change detection system
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### 1.3 Search Index Implementation
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- [ ] Design indexing strategy for markdown documentation
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- [ ] Implement vector embeddings for semantic search (consider OpenAI embeddings or local alternatives)
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- [ ] Create full-text search index (SQLite FTS5 or similar)
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- [ ] Index code examples separately from prose documentation
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- [ ] Implement incremental index updates (only reindex changed files)
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### 1.4 Basic Documentation Search Tool
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- [ ] Implement MCP tool: `search_babylon_docs`
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- Input: search query, optional filters (category, API section)
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- Output: ranked documentation results with context snippets and file paths
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- [ ] Return results in token-efficient format (concise snippets vs full content)
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- [ ] Add relevance scoring based on semantic similarity and keyword matching
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- [ ] Implement result deduplication
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### 1.5 Documentation Retrieval Tool
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- [ ] Implement MCP tool: `get_babylon_doc`
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- Input: specific documentation file path or topic identifier
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- Output: full documentation content optimized for AI consumption
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- [ ] Format content to minimize token usage while preserving clarity
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- [ ] Include related documentation links in results
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---
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## Phase 2: Sandbox Examples Integration
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**Goal**: Enable discovery and search of Babylon.js Playground examples
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### 2.1 Playground Data Source
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- [ ] Research Babylon.js Playground structure and API
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- [ ] Identify authoritative source for playground examples
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- [ ] Determine if examples are in Documentation repo or need separate scraping
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- [ ] Design data model for playground examples
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### 2.2 Example Indexing
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- [ ] Implement scraper/parser for playground examples
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- [ ] Extract: title, description, code, tags, dependencies
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- [ ] Index example code with semantic understanding
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- [ ] Link examples to related documentation topics
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- [ ] Store example metadata efficiently
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### 2.3 Example Search Tool
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- [ ] Implement MCP tool: `search_babylon_examples`
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- Input: search query, optional filters (features, complexity)
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- Output: ranked examples with descriptions and playground URLs
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- [ ] Return code snippets in token-efficient format
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- [ ] Add "similar examples" recommendations
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- [ ] Include difficulty/complexity indicators
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||||
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||||
---
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## Phase 3: Token Optimization & Caching
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**Goal**: Minimize token usage for AI agents while maintaining quality
|
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### 3.1 Response Optimization
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- [ ] Implement smart content summarization for long documentation
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- [ ] Create tiered response system (summary → detailed → full content)
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- [ ] Remove redundant information from responses
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||||
- [ ] Optimize markdown formatting for AI consumption
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- [ ] Add token count estimates to responses
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||||
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### 3.2 Intelligent Caching
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- [ ] Implement query result caching (Redis or in-memory)
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- [ ] Cache frequently accessed documentation sections
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- [ ] Add cache invalidation on documentation updates
|
||||
- [ ] Track cache hit rates and optimize cache strategy
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||||
- [ ] Implement cache warming for popular queries
|
||||
|
||||
### 3.3 Context Management
|
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- [ ] Implement MCP resource: `babylon_context`
|
||||
- Provides common context (current version, key concepts) for AI agents
|
||||
- Reduces need to repeatedly fetch basic information
|
||||
- [ ] Create canonical response templates for common questions
|
||||
- [ ] Add version-specific context handling
|
||||
|
||||
---
|
||||
|
||||
## Phase 4: Feedback Collection System
|
||||
**Goal**: Allow users to provide feedback on search result usefulness
|
||||
|
||||
### 4.1 Database Design
|
||||
- [ ] Choose database (SQLite for simplicity, PostgreSQL for production scale)
|
||||
- [ ] Design schema for:
|
||||
- Search queries and returned results
|
||||
- User feedback (usefulness scores, relevance ratings)
|
||||
- Query-result effectiveness mappings
|
||||
- Anonymous session tracking
|
||||
|
||||
### 4.2 Feedback Submission
|
||||
- [ ] Implement MCP tool: `provide_feedback`
|
||||
- Input: result identifier, query, usefulness score (1-5), optional comment
|
||||
- Output: confirmation and feedback ID
|
||||
- [ ] Store feedback with query context
|
||||
- [ ] Implement basic spam prevention
|
||||
- [ ] Add feedback submission via Express REST API (optional web interface)
|
||||
|
||||
### 4.3 Feedback Analytics Foundation
|
||||
- [ ] Create queries for feedback aggregation
|
||||
- [ ] Implement basic feedback score calculations
|
||||
- [ ] Design feedback reporting structure
|
||||
- [ ] Add feedback data export capabilities
|
||||
|
||||
---
|
||||
|
||||
## Phase 5: Learning & Ranking Optimization
|
||||
**Goal**: Use collected feedback to improve search result relevance
|
||||
|
||||
### 5.1 Feedback-Driven Ranking
|
||||
- [ ] Integrate feedback scores into search ranking algorithm
|
||||
- [ ] Implement boost factors for highly-rated results
|
||||
- [ ] Add penalty factors for low-rated results
|
||||
- [ ] Create decay function (recent feedback weighted higher)
|
||||
- [ ] Test ranking improvements with historical queries
|
||||
|
||||
### 5.2 Query Understanding
|
||||
- [ ] Analyze successful searches to identify patterns
|
||||
- [ ] Implement query expansion based on feedback
|
||||
- [ ] Add synonym detection for common Babylon.js terms
|
||||
- [ ] Create query-to-topic mapping
|
||||
- [ ] Implement "did you mean" suggestions
|
||||
|
||||
### 5.3 Result Quality Monitoring
|
||||
- [ ] Track result click-through rates (if applicable)
|
||||
- [ ] Identify zero-result queries for improvement
|
||||
- [ ] Monitor feedback trends over time
|
||||
- [ ] Create alerts for sudden quality drops
|
||||
- [ ] Implement A/B testing framework for ranking changes
|
||||
|
||||
---
|
||||
|
||||
## Phase 6: Feature Requests & Community Engagement
|
||||
**Goal**: Enable users to suggest improvements and vote on feature requests
|
||||
|
||||
### 6.1 Suggestion Collection
|
||||
- [ ] Extend database schema for feature requests/improvements
|
||||
- [ ] Implement MCP tool: `submit_suggestion`
|
||||
- Input: suggestion text, category (documentation, example, feature)
|
||||
- Output: suggestion ID for tracking
|
||||
- [ ] Add suggestion categorization and tagging
|
||||
- [ ] Implement duplicate detection for similar suggestions
|
||||
|
||||
### 6.2 Voting System
|
||||
- [ ] Implement MCP tool: `vote_on_suggestion`
|
||||
- Input: suggestion ID, vote (up/down)
|
||||
- Output: updated vote count
|
||||
- [ ] Design anonymous voting with abuse prevention
|
||||
- [ ] Add vote weight based on user activity (optional)
|
||||
- [ ] Implement vote aggregation and trending calculations
|
||||
|
||||
### 6.3 Suggestion Discovery
|
||||
- [ ] Implement MCP tool: `browse_suggestions`
|
||||
- Input: filters (category, status, sort order)
|
||||
- Output: paginated list of suggestions with vote counts
|
||||
- [ ] Add search within suggestions
|
||||
- [ ] Create status tracking (new, under review, implemented, rejected)
|
||||
- [ ] Add suggestion updates and resolution tracking
|
||||
|
||||
### 6.4 Community Dashboard (Optional)
|
||||
- [ ] Create web interface for browsing suggestions
|
||||
- [ ] Add suggestion detail pages with discussion
|
||||
- [ ] Implement suggestion status updates by maintainers
|
||||
- [ ] Add notification system for suggestion updates
|
||||
|
||||
---
|
||||
|
||||
## Phase 7: Advanced Features & Quality
|
||||
**Goal**: Enhance capabilities and ensure production readiness
|
||||
|
||||
### 7.1 Multi-Version Support
|
||||
- [ ] Detect Babylon.js versions in Documentation repo
|
||||
- [ ] Index documentation for multiple versions separately
|
||||
- [ ] Add version parameter to search tools
|
||||
- [ ] Implement version comparison capabilities
|
||||
- [ ] Create migration guides between versions
|
||||
|
||||
### 7.2 Code-Aware Search
|
||||
- [ ] Implement code pattern search in examples
|
||||
- [ ] Add TypeScript/JavaScript syntax understanding
|
||||
- [ ] Create API signature search
|
||||
- [ ] Add "find usage examples" for specific APIs
|
||||
- [ ] Implement code-to-documentation linking
|
||||
|
||||
### 7.3 Performance & Scalability
|
||||
- [ ] Optimize search query performance (< 500ms p95)
|
||||
- [ ] Implement connection pooling for database
|
||||
- [ ] Add request queuing for high load
|
||||
- [ ] Optimize memory usage for large indexes
|
||||
- [ ] Implement graceful degradation under load
|
||||
|
||||
### 7.4 Testing & Quality Assurance
|
||||
- [ ] Write unit tests for core indexing and search logic
|
||||
- [ ] Create integration tests for MCP tools
|
||||
- [ ] Add end-to-end tests for critical workflows
|
||||
- [ ] Implement regression testing for ranking changes
|
||||
- [ ] Add performance benchmarks and monitoring
|
||||
|
||||
---
|
||||
|
||||
## Phase 8: Deployment & Operations
|
||||
**Goal**: Make the server production-ready and maintainable
|
||||
|
||||
### 8.1 Deployment Infrastructure
|
||||
- [ ] Create Dockerfile for containerization
|
||||
- [ ] Set up docker-compose for local development
|
||||
- [ ] Implement configuration management (environment variables)
|
||||
- [ ] Create database migration system
|
||||
- [ ] Add health check endpoints
|
||||
|
||||
### 8.2 Automation & CI/CD
|
||||
- [ ] Set up GitHub Actions for testing
|
||||
- [ ] Implement automated builds and releases
|
||||
- [ ] Create automated documentation update workflow
|
||||
- [ ] Add automated index rebuilding schedule
|
||||
- [ ] Implement version tagging and release notes
|
||||
|
||||
### 8.3 Monitoring & Observability
|
||||
- [ ] Add structured logging (JSON format)
|
||||
- [ ] Implement metrics collection (Prometheus-compatible)
|
||||
- [ ] Create performance dashboards
|
||||
- [ ] Add error tracking and alerting
|
||||
- [ ] Implement trace logging for debugging
|
||||
|
||||
### 8.4 Documentation & Onboarding
|
||||
- [ ] Write installation guide for MCP server
|
||||
- [ ] Create configuration documentation
|
||||
- [ ] Document all MCP tools with examples
|
||||
- [ ] Add troubleshooting guide
|
||||
- [ ] Create developer contribution guide
|
||||
|
||||
---
|
||||
|
||||
## Technical Architecture Decisions
|
||||
|
||||
### MCP Implementation
|
||||
- **SDK**: @modelcontextprotocol/sdk (official TypeScript SDK)
|
||||
- **Transport**: HTTP with Server-Sent Events (SSE) on port 3001
|
||||
- **MCP Endpoint**: `/mcp/sse`
|
||||
- **Tools**: search_babylon_docs, get_babylon_doc, search_babylon_examples, provide_feedback, submit_suggestion, vote_on_suggestion, browse_suggestions
|
||||
- **Resources**: babylon_context (common framework information)
|
||||
|
||||
### Search & Indexing
|
||||
- **Vector Search**: OpenAI embeddings or local model (all-MiniLM-L6-v2)
|
||||
- **Full-Text Search**: SQLite FTS5 for simplicity, Elasticsearch for scale
|
||||
- **Hybrid Approach**: Combine semantic and keyword search for best results
|
||||
|
||||
### Data Storage
|
||||
- **Primary Database**: SQLite (development/small scale) → PostgreSQL (production)
|
||||
- **Cache**: Redis for query results and frequently accessed docs
|
||||
- **File Storage**: Local clone of BabylonJS/Documentation repository
|
||||
|
||||
### Token Optimization Strategy
|
||||
- Return concise snippets by default (50-200 tokens)
|
||||
- Offer detailed responses on demand
|
||||
- Cache common context to avoid repetition
|
||||
- Use efficient markdown formatting
|
||||
- Implement smart content truncation
|
||||
|
||||
### Security & Privacy
|
||||
- Anonymous feedback collection (no PII)
|
||||
- Rate limiting on all MCP tools
|
||||
- Input validation and sanitization
|
||||
- Secure database access patterns
|
||||
- No authentication required (open access)
|
||||
|
||||
---
|
||||
|
||||
## Success Metrics
|
||||
|
||||
### Phase 1-2 (Core Functionality)
|
||||
- Documentation indexing: 100% of BabylonJS/Documentation repo
|
||||
- Search response time: < 500ms p95
|
||||
- Search relevance: > 80% of queries return useful results
|
||||
- Token efficiency: Average response < 300 tokens
|
||||
|
||||
### Phase 3-5 (Optimization & Feedback)
|
||||
- Cache hit rate: > 60%
|
||||
- Feedback collection rate: > 5% of searches
|
||||
- Ranking improvement: Increase in positive feedback over time
|
||||
- Query success rate: < 5% zero-result queries
|
||||
|
||||
### Phase 6-8 (Community & Production)
|
||||
- Suggestion collection: Active community participation
|
||||
- Uptime: > 99%
|
||||
- Documentation freshness: < 24 hour lag from repo updates
|
||||
- Test coverage: > 80% of core functionality
|
||||
|
||||
---
|
||||
|
||||
## Future Enhancements (Post-Launch)
|
||||
|
||||
- Integration with Babylon.js GitHub issues for additional context
|
||||
- Real-time collaborative debugging sessions
|
||||
- Visual search for shader/rendering effects
|
||||
- Performance optimization recommendations based on best practices
|
||||
- Integration with TypeScript Language Server for IDE features
|
||||
- Multi-language documentation support
|
||||
- Community-contributed solutions and patterns library
|
||||
- Interactive tutorial generation based on user goals
|
||||
3778
package-lock.json
generated
Normal file
3778
package-lock.json
generated
Normal file
File diff suppressed because it is too large
Load Diff
39
package.json
Normal file
39
package.json
Normal file
@ -0,0 +1,39 @@
|
||||
{
|
||||
"name": "babylon-mcp",
|
||||
"version": "1.0.0",
|
||||
"type": "module",
|
||||
"main": "dist/index.js",
|
||||
"scripts": {
|
||||
"build": "tsc",
|
||||
"start": "node dist/mcp/index.js",
|
||||
"dev": "tsx watch src/mcp/index.ts",
|
||||
"clean": "rm -rf dist",
|
||||
"typecheck": "tsc --noEmit",
|
||||
"test": "vitest",
|
||||
"test:ui": "vitest --ui",
|
||||
"test:run": "vitest run",
|
||||
"test:coverage": "vitest run --coverage"
|
||||
},
|
||||
"keywords": [],
|
||||
"author": "",
|
||||
"license": "ISC",
|
||||
"description": "",
|
||||
"dependencies": {
|
||||
"@modelcontextprotocol/sdk": "^1.22.0",
|
||||
"express": "^5.1.0",
|
||||
"simple-git": "^3.30.0",
|
||||
"zod": "^3.25.76"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@types/express": "^5.0.5",
|
||||
"@types/node": "^24.10.1",
|
||||
"@types/supertest": "^6.0.3",
|
||||
"@vitest/coverage-v8": "^4.0.13",
|
||||
"nodemon": "^3.1.11",
|
||||
"supertest": "^7.1.4",
|
||||
"ts-node": "^10.9.2",
|
||||
"tsx": "^4.20.6",
|
||||
"typescript": "^5.9.3",
|
||||
"vitest": "^4.0.13"
|
||||
}
|
||||
}
|
||||
35
src/__tests__/fixtures/mcp-requests.ts
Normal file
35
src/__tests__/fixtures/mcp-requests.ts
Normal file
@ -0,0 +1,35 @@
|
||||
export const mockSearchDocsRequest = {
|
||||
jsonrpc: '2.0',
|
||||
method: 'tools/call',
|
||||
params: {
|
||||
name: 'search_babylon_docs',
|
||||
arguments: {
|
||||
query: 'PBR materials',
|
||||
category: 'api',
|
||||
limit: 10,
|
||||
},
|
||||
},
|
||||
id: 1,
|
||||
};
|
||||
|
||||
export const mockGetDocRequest = {
|
||||
jsonrpc: '2.0',
|
||||
method: 'tools/call',
|
||||
params: {
|
||||
name: 'get_babylon_doc',
|
||||
arguments: {
|
||||
path: '/divingDeeper/materials/using/introToPBR',
|
||||
},
|
||||
},
|
||||
id: 2,
|
||||
};
|
||||
|
||||
export const mockInvalidRequest = {
|
||||
jsonrpc: '2.0',
|
||||
method: 'tools/call',
|
||||
params: {
|
||||
name: 'unknown_tool',
|
||||
arguments: {},
|
||||
},
|
||||
id: 3,
|
||||
};
|
||||
16
src/__tests__/setup.ts
Normal file
16
src/__tests__/setup.ts
Normal file
@ -0,0 +1,16 @@
|
||||
import { beforeAll, afterAll, afterEach, vi } from 'vitest';
|
||||
|
||||
beforeAll(() => {
|
||||
// Global test setup
|
||||
console.log('Starting test suite...');
|
||||
});
|
||||
|
||||
afterAll(() => {
|
||||
// Global test teardown
|
||||
console.log('Test suite complete.');
|
||||
});
|
||||
|
||||
afterEach(() => {
|
||||
// Clear all mocks after each test
|
||||
vi.clearAllMocks();
|
||||
});
|
||||
6
src/index.ts
Normal file
6
src/index.ts
Normal file
@ -0,0 +1,6 @@
|
||||
/**
|
||||
* Babylon MCP Server - Unified Entry Point
|
||||
* Serves both MCP protocol endpoints and optional web interface
|
||||
*/
|
||||
export * from './mcp/server.js';
|
||||
export * from './mcp/config.js';
|
||||
113
src/mcp/config.test.ts
Normal file
113
src/mcp/config.test.ts
Normal file
@ -0,0 +1,113 @@
|
||||
import { describe, it, expect } from 'vitest';
|
||||
import { MCP_SERVER_CONFIG } from './config.js';
|
||||
|
||||
describe('MCP_SERVER_CONFIG', () => {
|
||||
describe('Basic Metadata', () => {
|
||||
it('should have correct name', () => {
|
||||
expect(MCP_SERVER_CONFIG.name).toBe('babylon-mcp');
|
||||
});
|
||||
|
||||
it('should have valid version format', () => {
|
||||
expect(MCP_SERVER_CONFIG.version).toMatch(/^\d+\.\d+\.\d+$/);
|
||||
});
|
||||
|
||||
it('should have description', () => {
|
||||
expect(MCP_SERVER_CONFIG.description).toBeDefined();
|
||||
expect(MCP_SERVER_CONFIG.description.length).toBeGreaterThan(0);
|
||||
});
|
||||
|
||||
it('should have author', () => {
|
||||
expect(MCP_SERVER_CONFIG.author).toBeDefined();
|
||||
});
|
||||
});
|
||||
|
||||
describe('Capabilities', () => {
|
||||
it('should define tools capability', () => {
|
||||
expect(MCP_SERVER_CONFIG.capabilities.tools).toBeDefined();
|
||||
expect(MCP_SERVER_CONFIG.capabilities.tools.description).toBeDefined();
|
||||
});
|
||||
|
||||
it('should list available tools', () => {
|
||||
const tools = MCP_SERVER_CONFIG.capabilities.tools.available;
|
||||
expect(tools).toContain('search_babylon_docs');
|
||||
expect(tools).toContain('get_babylon_doc');
|
||||
expect(tools.length).toBe(2);
|
||||
});
|
||||
|
||||
it('should define prompts capability', () => {
|
||||
expect(MCP_SERVER_CONFIG.capabilities.prompts).toBeDefined();
|
||||
expect(Array.isArray(MCP_SERVER_CONFIG.capabilities.prompts.available)).toBe(true);
|
||||
});
|
||||
|
||||
it('should define resources capability', () => {
|
||||
expect(MCP_SERVER_CONFIG.capabilities.resources).toBeDefined();
|
||||
expect(Array.isArray(MCP_SERVER_CONFIG.capabilities.resources.available)).toBe(true);
|
||||
});
|
||||
});
|
||||
|
||||
describe('Instructions', () => {
|
||||
it('should provide usage instructions', () => {
|
||||
expect(MCP_SERVER_CONFIG.instructions).toBeDefined();
|
||||
expect(MCP_SERVER_CONFIG.instructions.length).toBeGreaterThan(50);
|
||||
});
|
||||
|
||||
it('should mention tool names in instructions', () => {
|
||||
const instructions = MCP_SERVER_CONFIG.instructions;
|
||||
expect(instructions).toContain('search_babylon_docs');
|
||||
expect(instructions).toContain('get_babylon_doc');
|
||||
});
|
||||
});
|
||||
|
||||
describe('Transport Configuration', () => {
|
||||
it('should use HTTP transport', () => {
|
||||
expect(MCP_SERVER_CONFIG.transport.type).toBe('http');
|
||||
});
|
||||
|
||||
it('should use StreamableHTTP protocol', () => {
|
||||
expect(MCP_SERVER_CONFIG.transport.protocol).toBe('StreamableHTTP');
|
||||
});
|
||||
|
||||
it('should have valid default port', () => {
|
||||
expect(MCP_SERVER_CONFIG.transport.defaultPort).toBe(4000);
|
||||
expect(MCP_SERVER_CONFIG.transport.defaultPort).toBeGreaterThan(1024);
|
||||
expect(MCP_SERVER_CONFIG.transport.defaultPort).toBeLessThan(65536);
|
||||
});
|
||||
|
||||
it('should have MCP endpoint', () => {
|
||||
expect(MCP_SERVER_CONFIG.transport.endpoint).toBe('/mcp');
|
||||
});
|
||||
});
|
||||
|
||||
describe('Sources', () => {
|
||||
it('should define documentation source', () => {
|
||||
const docSource = MCP_SERVER_CONFIG.sources.documentation;
|
||||
expect(docSource.repository).toContain('github.com');
|
||||
expect(docSource.repository).toContain('BabylonJS/Documentation');
|
||||
});
|
||||
|
||||
it('should define Babylon.js source', () => {
|
||||
const babylonSource = MCP_SERVER_CONFIG.sources.babylonSource;
|
||||
expect(babylonSource.repository).toContain('BabylonJS/Babylon.js');
|
||||
});
|
||||
|
||||
it('should define Havok source', () => {
|
||||
const havokSource = MCP_SERVER_CONFIG.sources.havok;
|
||||
expect(havokSource.repository).toContain('BabylonJS/havok');
|
||||
});
|
||||
|
||||
it('should have valid GitHub URLs for all sources', () => {
|
||||
const sources = Object.values(MCP_SERVER_CONFIG.sources);
|
||||
sources.forEach((source) => {
|
||||
expect(source.repository).toMatch(/^https:\/\/github\.com\/.+\.git$/);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('Type Safety', () => {
|
||||
it('should be a const object', () => {
|
||||
const config = MCP_SERVER_CONFIG;
|
||||
expect(config).toBeDefined();
|
||||
expect(typeof config).toBe('object');
|
||||
});
|
||||
});
|
||||
});
|
||||
56
src/mcp/config.ts
Normal file
56
src/mcp/config.ts
Normal file
@ -0,0 +1,56 @@
|
||||
/**
|
||||
* MCP Server Configuration
|
||||
* Defines metadata and capabilities for the Babylon MCP Server
|
||||
*/
|
||||
|
||||
export const MCP_SERVER_CONFIG = {
|
||||
name: 'babylon-mcp',
|
||||
version: '1.0.0',
|
||||
description: 'Babylon.js Documentation and Examples MCP Server',
|
||||
author: 'Babylon MCP Team',
|
||||
|
||||
capabilities: {
|
||||
tools: {
|
||||
description: 'Provides tools for searching and retrieving Babylon.js documentation',
|
||||
available: ['search_babylon_docs', 'get_babylon_doc'],
|
||||
},
|
||||
prompts: {
|
||||
description: 'Future: Pre-defined prompts for common Babylon.js tasks',
|
||||
available: [],
|
||||
},
|
||||
resources: {
|
||||
description: 'Future: Direct access to documentation resources',
|
||||
available: [],
|
||||
},
|
||||
},
|
||||
|
||||
instructions:
|
||||
'Babylon MCP Server provides access to Babylon.js documentation, API references, and code examples. ' +
|
||||
'Use search_babylon_docs to find relevant documentation, and get_babylon_doc to retrieve specific pages. ' +
|
||||
'This server helps reduce token usage by providing a canonical source for Babylon.js framework information.',
|
||||
|
||||
transport: {
|
||||
type: 'http',
|
||||
protocol: 'StreamableHTTP',
|
||||
description: 'HTTP transport with JSON-RPC over HTTP POST (stateless mode)',
|
||||
defaultPort: 4000,
|
||||
endpoint: '/mcp',
|
||||
},
|
||||
|
||||
sources: {
|
||||
documentation: {
|
||||
repository: 'https://github.com/BabylonJS/Documentation.git',
|
||||
description: 'Official Babylon.js documentation repository',
|
||||
},
|
||||
babylonSource: {
|
||||
repository: 'https://github.com/BabylonJS/Babylon.js.git',
|
||||
description: 'Babylon.js source code (future integration)',
|
||||
},
|
||||
havok: {
|
||||
repository: 'https://github.com/BabylonJS/havok.git',
|
||||
description: 'Havok Physics integration (future)',
|
||||
},
|
||||
},
|
||||
} as const;
|
||||
|
||||
export type MCPServerConfig = typeof MCP_SERVER_CONFIG;
|
||||
192
src/mcp/handlers.test.ts
Normal file
192
src/mcp/handlers.test.ts
Normal file
@ -0,0 +1,192 @@
|
||||
import { describe, it, expect, vi, beforeEach } from 'vitest';
|
||||
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
|
||||
import { setupHandlers } from './handlers.js';
|
||||
|
||||
describe('MCP Handlers', () => {
|
||||
let mockServer: McpServer;
|
||||
let registerToolSpy: ReturnType<typeof vi.fn>;
|
||||
|
||||
beforeEach(() => {
|
||||
registerToolSpy = vi.fn();
|
||||
mockServer = {
|
||||
registerTool: registerToolSpy,
|
||||
} as unknown as McpServer;
|
||||
});
|
||||
|
||||
describe('setupHandlers', () => {
|
||||
it('should register all required tools', () => {
|
||||
setupHandlers(mockServer);
|
||||
|
||||
expect(registerToolSpy).toHaveBeenCalledTimes(2);
|
||||
});
|
||||
|
||||
it('should register search_babylon_docs tool', () => {
|
||||
setupHandlers(mockServer);
|
||||
|
||||
const firstCall = registerToolSpy.mock.calls[0];
|
||||
expect(firstCall).toBeDefined();
|
||||
expect(firstCall![0]).toBe('search_babylon_docs');
|
||||
expect(firstCall![1]).toHaveProperty('description');
|
||||
expect(firstCall![1]).toHaveProperty('inputSchema');
|
||||
expect(typeof firstCall![2]).toBe('function');
|
||||
});
|
||||
|
||||
it('should register get_babylon_doc tool', () => {
|
||||
setupHandlers(mockServer);
|
||||
|
||||
const secondCall = registerToolSpy.mock.calls[1];
|
||||
expect(secondCall).toBeDefined();
|
||||
expect(secondCall![0]).toBe('get_babylon_doc');
|
||||
expect(secondCall![1]).toHaveProperty('description');
|
||||
expect(secondCall![1]).toHaveProperty('inputSchema');
|
||||
expect(typeof secondCall![2]).toBe('function');
|
||||
});
|
||||
});
|
||||
|
||||
describe('search_babylon_docs handler', () => {
|
||||
let searchHandler: (params: unknown) => Promise<unknown>;
|
||||
|
||||
beforeEach(() => {
|
||||
setupHandlers(mockServer);
|
||||
searchHandler = registerToolSpy.mock.calls[0]![2];
|
||||
});
|
||||
|
||||
it('should accept required query parameter', async () => {
|
||||
const params = { query: 'PBR materials' };
|
||||
const result = (await searchHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
expect(result).toHaveProperty('content');
|
||||
expect(Array.isArray(result.content)).toBe(true);
|
||||
});
|
||||
|
||||
it('should accept optional category parameter', async () => {
|
||||
const params = { query: 'materials', category: 'api' };
|
||||
const result = (await searchHandler(params)) as { content: unknown[] };
|
||||
|
||||
expect(result).toHaveProperty('content');
|
||||
});
|
||||
|
||||
it('should accept optional limit parameter', async () => {
|
||||
const params = { query: 'materials', limit: 10 };
|
||||
const result = (await searchHandler(params)) as { content: unknown[] };
|
||||
|
||||
expect(result).toHaveProperty('content');
|
||||
});
|
||||
|
||||
it('should default limit to 5 when not provided', async () => {
|
||||
const params = { query: 'materials' };
|
||||
const result = (await searchHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
const responseText = result.content[0]!.text;
|
||||
const parsedResponse = JSON.parse(responseText);
|
||||
expect(parsedResponse.limit).toBe(5);
|
||||
});
|
||||
|
||||
it('should return text content type', async () => {
|
||||
const params = { query: 'test' };
|
||||
const result = (await searchHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
expect(result.content[0]).toHaveProperty('type', 'text');
|
||||
expect(result.content[0]).toHaveProperty('text');
|
||||
});
|
||||
|
||||
it('should return JSON-parseable response', async () => {
|
||||
const params = { query: 'test', category: 'guide', limit: 3 };
|
||||
const result = (await searchHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
const responseText = result.content[0]!.text;
|
||||
expect(() => JSON.parse(responseText)).not.toThrow();
|
||||
});
|
||||
|
||||
it('should include all parameters in response', async () => {
|
||||
const params = { query: 'PBR', category: 'api', limit: 10 };
|
||||
const result = (await searchHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
const responseText = result.content[0]!.text;
|
||||
const parsedResponse = JSON.parse(responseText);
|
||||
expect(parsedResponse.query).toBe('PBR');
|
||||
expect(parsedResponse.category).toBe('api');
|
||||
expect(parsedResponse.limit).toBe(10);
|
||||
});
|
||||
|
||||
it('should indicate not yet implemented', async () => {
|
||||
const params = { query: 'test' };
|
||||
const result = (await searchHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
const responseText = result.content[0]!.text;
|
||||
const parsedResponse = JSON.parse(responseText);
|
||||
expect(parsedResponse.message).toContain('not yet implemented');
|
||||
});
|
||||
});
|
||||
|
||||
describe('get_babylon_doc handler', () => {
|
||||
let getDocHandler: (params: unknown) => Promise<unknown>;
|
||||
|
||||
beforeEach(() => {
|
||||
setupHandlers(mockServer);
|
||||
getDocHandler = registerToolSpy.mock.calls[1]![2];
|
||||
});
|
||||
|
||||
it('should accept required path parameter', async () => {
|
||||
const params = { path: '/divingDeeper/materials/using/introToPBR' };
|
||||
const result = (await getDocHandler(params)) as { content: unknown[] };
|
||||
|
||||
expect(result).toHaveProperty('content');
|
||||
expect(Array.isArray(result.content)).toBe(true);
|
||||
});
|
||||
|
||||
it('should return text content type', async () => {
|
||||
const params = { path: '/test/path' };
|
||||
const result = (await getDocHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
expect(result.content[0]).toHaveProperty('type', 'text');
|
||||
expect(result.content[0]).toHaveProperty('text');
|
||||
});
|
||||
|
||||
it('should return JSON-parseable response', async () => {
|
||||
const params = { path: '/test/path' };
|
||||
const result = (await getDocHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
const responseText = result.content[0]!.text;
|
||||
expect(() => JSON.parse(responseText)).not.toThrow();
|
||||
});
|
||||
|
||||
it('should include path in response', async () => {
|
||||
const params = { path: '/some/doc/path' };
|
||||
const result = (await getDocHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
const responseText = result.content[0]!.text;
|
||||
const parsedResponse = JSON.parse(responseText);
|
||||
expect(parsedResponse.path).toBe('/some/doc/path');
|
||||
});
|
||||
|
||||
it('should indicate not yet implemented', async () => {
|
||||
const params = { path: '/test' };
|
||||
const result = (await getDocHandler(params)) as { content: { type: string; text: string }[] };
|
||||
|
||||
const responseText = result.content[0]!.text;
|
||||
const parsedResponse = JSON.parse(responseText);
|
||||
expect(parsedResponse.message).toContain('not yet implemented');
|
||||
});
|
||||
});
|
||||
|
||||
describe('Tool Schemas', () => {
|
||||
beforeEach(() => {
|
||||
setupHandlers(mockServer);
|
||||
});
|
||||
|
||||
it('search_babylon_docs should have proper schema structure', () => {
|
||||
const toolConfig = registerToolSpy.mock.calls[0]![1];
|
||||
|
||||
expect(toolConfig.inputSchema).toHaveProperty('query');
|
||||
expect(toolConfig.inputSchema).toHaveProperty('category');
|
||||
expect(toolConfig.inputSchema).toHaveProperty('limit');
|
||||
});
|
||||
|
||||
it('get_babylon_doc should have proper schema structure', () => {
|
||||
const toolConfig = registerToolSpy.mock.calls[1]![1];
|
||||
|
||||
expect(toolConfig.inputSchema).toHaveProperty('path');
|
||||
});
|
||||
});
|
||||
});
|
||||
65
src/mcp/handlers.ts
Normal file
65
src/mcp/handlers.ts
Normal file
@ -0,0 +1,65 @@
|
||||
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
|
||||
import { z } from 'zod';
|
||||
|
||||
export function setupHandlers(server: McpServer): void {
|
||||
registerSearchDocsTool(server);
|
||||
registerGetDocTool(server);
|
||||
}
|
||||
|
||||
function registerSearchDocsTool(server: McpServer): void {
|
||||
server.registerTool(
|
||||
'search_babylon_docs',
|
||||
{
|
||||
description: 'Search Babylon.js documentation for API references, guides, and tutorials',
|
||||
inputSchema: {
|
||||
query: z.string().describe('Search query for Babylon.js documentation'),
|
||||
category: z
|
||||
.string()
|
||||
.optional()
|
||||
.describe('Optional category filter (e.g., "api", "tutorial", "guide")'),
|
||||
limit: z
|
||||
.number()
|
||||
.optional()
|
||||
.default(5)
|
||||
.describe('Maximum number of results to return (default: 5)'),
|
||||
},
|
||||
},
|
||||
async ({ query, category, limit = 5 }) => {
|
||||
// TODO: Implement actual search logic
|
||||
const result = {
|
||||
message: 'Search functionality not yet implemented',
|
||||
query,
|
||||
category,
|
||||
limit,
|
||||
results: [],
|
||||
};
|
||||
|
||||
return {
|
||||
content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
|
||||
};
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
function registerGetDocTool(server: McpServer): void {
|
||||
server.registerTool(
|
||||
'get_babylon_doc',
|
||||
{
|
||||
description: 'Retrieve full content of a specific Babylon.js documentation page',
|
||||
inputSchema: {
|
||||
path: z.string().describe('Documentation file path or topic identifier'),
|
||||
},
|
||||
},
|
||||
async ({ path }) => {
|
||||
// TODO: Implement actual document retrieval
|
||||
const result = {
|
||||
message: 'Document retrieval not yet implemented',
|
||||
path,
|
||||
};
|
||||
|
||||
return {
|
||||
content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
|
||||
};
|
||||
}
|
||||
);
|
||||
}
|
||||
13
src/mcp/index.ts
Normal file
13
src/mcp/index.ts
Normal file
@ -0,0 +1,13 @@
|
||||
import { BabylonMCPServer } from './server.js';
|
||||
|
||||
async function main() {
|
||||
try {
|
||||
const server = new BabylonMCPServer();
|
||||
await server.start();
|
||||
} catch (error) {
|
||||
console.error('Failed to start Babylon MCP Server:', error);
|
||||
process.exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
main();
|
||||
24
src/mcp/repository-config.ts
Normal file
24
src/mcp/repository-config.ts
Normal file
@ -0,0 +1,24 @@
|
||||
export interface RepositoryConfig {
|
||||
name: string;
|
||||
url: string;
|
||||
shallow: boolean;
|
||||
branch?: string;
|
||||
}
|
||||
|
||||
export const BABYLON_REPOSITORIES: RepositoryConfig[] = [
|
||||
{
|
||||
name: 'Documentation',
|
||||
url: 'https://github.com/BabylonJS/Documentation.git',
|
||||
shallow: true,
|
||||
},
|
||||
{
|
||||
name: 'Babylon.js',
|
||||
url: 'https://github.com/BabylonJS/Babylon.js.git',
|
||||
shallow: true,
|
||||
},
|
||||
{
|
||||
name: 'havok',
|
||||
url: 'https://github.com/BabylonJS/havok.git',
|
||||
shallow: true,
|
||||
},
|
||||
];
|
||||
263
src/mcp/repository-manager.test.ts
Normal file
263
src/mcp/repository-manager.test.ts
Normal file
@ -0,0 +1,263 @@
|
||||
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
|
||||
import { RepositoryManager } from './repository-manager.js';
|
||||
import { type RepositoryConfig } from './repository-config.js';
|
||||
import fs from 'fs';
|
||||
import path from 'path';
|
||||
import { simpleGit } from 'simple-git';
|
||||
|
||||
vi.mock('simple-git', () => {
|
||||
const mockGit = {
|
||||
clone: vi.fn().mockResolvedValue(undefined),
|
||||
pull: vi.fn().mockResolvedValue(undefined),
|
||||
};
|
||||
|
||||
return {
|
||||
simpleGit: vi.fn(() => mockGit),
|
||||
};
|
||||
});
|
||||
|
||||
describe('RepositoryManager', () => {
|
||||
let manager: RepositoryManager;
|
||||
let testBaseDir: string;
|
||||
|
||||
beforeEach(() => {
|
||||
testBaseDir = path.join(process.cwd(), 'test-repos');
|
||||
manager = new RepositoryManager(testBaseDir);
|
||||
vi.clearAllMocks();
|
||||
});
|
||||
|
||||
afterEach(() => {
|
||||
vi.restoreAllMocks();
|
||||
});
|
||||
|
||||
describe('Constructor', () => {
|
||||
it('should use provided base directory', () => {
|
||||
const customDir = '/custom/path';
|
||||
const customManager = new RepositoryManager(customDir);
|
||||
|
||||
expect(customManager.getRepositoryPath('test')).toBe(
|
||||
path.join(customDir, 'test')
|
||||
);
|
||||
});
|
||||
|
||||
it('should use default directory when not provided', () => {
|
||||
const defaultManager = new RepositoryManager();
|
||||
const expectedPath = path.join(process.cwd(), 'data', 'repositories', 'test');
|
||||
|
||||
expect(defaultManager.getRepositoryPath('test')).toBe(expectedPath);
|
||||
});
|
||||
});
|
||||
|
||||
describe('ensureRepository', () => {
|
||||
const config: RepositoryConfig = {
|
||||
name: 'TestRepo',
|
||||
url: 'https://github.com/test/repo.git',
|
||||
shallow: true,
|
||||
};
|
||||
|
||||
it('should clone repository when it does not exist', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(false);
|
||||
vi.spyOn(fs.promises, 'mkdir').mockResolvedValue(undefined);
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
|
||||
const result = await manager.ensureRepository(config);
|
||||
|
||||
expect(result).toBe(path.join(testBaseDir, 'TestRepo'));
|
||||
expect(mockGitInstance.clone).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it('should update repository when it already exists', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(true);
|
||||
|
||||
const result = await manager.ensureRepository(config);
|
||||
|
||||
expect(result).toBe(path.join(testBaseDir, 'TestRepo'));
|
||||
});
|
||||
|
||||
it('should pass shallow clone options', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(false);
|
||||
vi.spyOn(fs.promises, 'mkdir').mockResolvedValue(undefined);
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
|
||||
await manager.ensureRepository(config);
|
||||
|
||||
expect(mockGitInstance.clone).toHaveBeenCalledWith(
|
||||
config.url,
|
||||
path.join(testBaseDir, config.name),
|
||||
['--depth', '1', '--single-branch']
|
||||
);
|
||||
});
|
||||
|
||||
it('should pass branch option when specified', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(false);
|
||||
vi.spyOn(fs.promises, 'mkdir').mockResolvedValue(undefined);
|
||||
|
||||
const configWithBranch: RepositoryConfig = {
|
||||
...config,
|
||||
branch: 'develop',
|
||||
};
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
|
||||
await manager.ensureRepository(configWithBranch);
|
||||
|
||||
expect(mockGitInstance.clone).toHaveBeenCalledWith(
|
||||
config.url,
|
||||
path.join(testBaseDir, config.name),
|
||||
['--depth', '1', '--single-branch', '--branch', 'develop']
|
||||
);
|
||||
});
|
||||
|
||||
it('should not pass shallow options when shallow is false', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(false);
|
||||
vi.spyOn(fs.promises, 'mkdir').mockResolvedValue(undefined);
|
||||
|
||||
const fullCloneConfig: RepositoryConfig = {
|
||||
...config,
|
||||
shallow: false,
|
||||
};
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
|
||||
await manager.ensureRepository(fullCloneConfig);
|
||||
|
||||
expect(mockGitInstance.clone).toHaveBeenCalledWith(
|
||||
config.url,
|
||||
path.join(testBaseDir, config.name),
|
||||
[]
|
||||
);
|
||||
});
|
||||
|
||||
it('should throw error when clone fails', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(false);
|
||||
vi.spyOn(fs.promises, 'mkdir').mockResolvedValue(undefined);
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
mockGitInstance.clone = vi
|
||||
.fn()
|
||||
.mockRejectedValue(new Error('Network error'));
|
||||
|
||||
await expect(manager.ensureRepository(config)).rejects.toThrow(
|
||||
'Failed to clone TestRepo: Network error'
|
||||
);
|
||||
});
|
||||
|
||||
it('should handle filesystem errors gracefully when checking repo', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockImplementation(() => {
|
||||
throw new Error('Filesystem error');
|
||||
});
|
||||
vi.spyOn(fs.promises, 'mkdir').mockResolvedValue(undefined);
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
mockGitInstance.clone = vi.fn().mockResolvedValue(undefined);
|
||||
|
||||
const result = await manager.ensureRepository(config);
|
||||
|
||||
expect(result).toBe(path.join(testBaseDir, 'TestRepo'));
|
||||
expect(mockGitInstance.clone).toHaveBeenCalled();
|
||||
});
|
||||
});
|
||||
|
||||
describe('getRepositoryPath', () => {
|
||||
it('should return correct path for repository', () => {
|
||||
const repoPath = manager.getRepositoryPath('Documentation');
|
||||
|
||||
expect(repoPath).toBe(path.join(testBaseDir, 'Documentation'));
|
||||
});
|
||||
});
|
||||
|
||||
describe('initializeAllRepositories', () => {
|
||||
it('should initialize all three repositories', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(false);
|
||||
vi.spyOn(fs.promises, 'mkdir').mockResolvedValue(undefined);
|
||||
|
||||
await manager.initializeAllRepositories();
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
|
||||
expect(mockGitInstance.clone).toHaveBeenCalledTimes(3);
|
||||
|
||||
expect(mockGitInstance.clone).toHaveBeenCalledWith(
|
||||
'https://github.com/BabylonJS/Documentation.git',
|
||||
expect.stringContaining('Documentation'),
|
||||
expect.any(Array)
|
||||
);
|
||||
|
||||
expect(mockGitInstance.clone).toHaveBeenCalledWith(
|
||||
'https://github.com/BabylonJS/Babylon.js.git',
|
||||
expect.stringContaining('Babylon.js'),
|
||||
expect.any(Array)
|
||||
);
|
||||
|
||||
expect(mockGitInstance.clone).toHaveBeenCalledWith(
|
||||
'https://github.com/BabylonJS/havok.git',
|
||||
expect.stringContaining('havok'),
|
||||
expect.any(Array)
|
||||
);
|
||||
});
|
||||
|
||||
it('should continue if one repository fails', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(false);
|
||||
vi.spyOn(fs.promises, 'mkdir').mockResolvedValue(undefined);
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
|
||||
let callCount = 0;
|
||||
mockGitInstance.clone = vi.fn().mockImplementation(() => {
|
||||
callCount++;
|
||||
if (callCount === 2) {
|
||||
return Promise.reject(new Error('Failed to clone'));
|
||||
}
|
||||
return Promise.resolve();
|
||||
});
|
||||
|
||||
const consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
|
||||
|
||||
await manager.initializeAllRepositories();
|
||||
|
||||
expect(mockGitInstance.clone).toHaveBeenCalledTimes(3);
|
||||
expect(consoleErrorSpy).toHaveBeenCalled();
|
||||
|
||||
consoleErrorSpy.mockRestore();
|
||||
});
|
||||
});
|
||||
|
||||
describe('Update operations', () => {
|
||||
it('should pull changes when repository exists', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(true);
|
||||
|
||||
const config: RepositoryConfig = {
|
||||
name: 'TestRepo',
|
||||
url: 'https://github.com/test/repo.git',
|
||||
shallow: true,
|
||||
};
|
||||
|
||||
await manager.ensureRepository(config);
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
expect(mockGitInstance.pull).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it('should handle pull errors gracefully', async () => {
|
||||
vi.spyOn(fs, 'existsSync').mockReturnValue(true);
|
||||
|
||||
const mockGitInstance = vi.mocked(simpleGit)({} as any);
|
||||
mockGitInstance.pull = vi.fn().mockRejectedValue(new Error('Pull failed'));
|
||||
|
||||
const consoleWarnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
|
||||
|
||||
const config: RepositoryConfig = {
|
||||
name: 'TestRepo',
|
||||
url: 'https://github.com/test/repo.git',
|
||||
shallow: true,
|
||||
};
|
||||
|
||||
await expect(manager.ensureRepository(config)).resolves.not.toThrow();
|
||||
expect(consoleWarnSpy).toHaveBeenCalled();
|
||||
|
||||
consoleWarnSpy.mockRestore();
|
||||
});
|
||||
});
|
||||
});
|
||||
90
src/mcp/repository-manager.ts
Normal file
90
src/mcp/repository-manager.ts
Normal file
@ -0,0 +1,90 @@
|
||||
import { simpleGit, type SimpleGit } from 'simple-git';
|
||||
import fs from 'fs';
|
||||
import path from 'path';
|
||||
import {
|
||||
BABYLON_REPOSITORIES,
|
||||
type RepositoryConfig,
|
||||
} from './repository-config.js';
|
||||
|
||||
export class RepositoryManager {
|
||||
private gitInstance: SimpleGit;
|
||||
private baseDir: string;
|
||||
|
||||
constructor(baseDir?: string) {
|
||||
this.gitInstance = simpleGit();
|
||||
this.baseDir = baseDir || path.join(process.cwd(), 'data', 'repositories');
|
||||
}
|
||||
|
||||
async ensureRepository(config: RepositoryConfig): Promise<string> {
|
||||
const targetDir = path.join(this.baseDir, config.name);
|
||||
|
||||
if (await this.isValidRepo(targetDir)) {
|
||||
console.log(`Updating ${config.name}...`);
|
||||
await this.updateRepo(targetDir);
|
||||
} else {
|
||||
console.log(`Cloning ${config.name}...`);
|
||||
await this.cloneRepo(config, targetDir);
|
||||
}
|
||||
|
||||
return targetDir;
|
||||
}
|
||||
|
||||
private async isValidRepo(repoDir: string): Promise<boolean> {
|
||||
try {
|
||||
const gitDir = path.join(repoDir, '.git');
|
||||
return fs.existsSync(gitDir);
|
||||
} catch {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
private async cloneRepo(
|
||||
config: RepositoryConfig,
|
||||
targetDir: string
|
||||
): Promise<void> {
|
||||
await fs.promises.mkdir(this.baseDir, { recursive: true });
|
||||
|
||||
const options: string[] = [];
|
||||
|
||||
if (config.shallow) {
|
||||
options.push('--depth', '1', '--single-branch');
|
||||
}
|
||||
|
||||
if (config.branch) {
|
||||
options.push('--branch', config.branch);
|
||||
}
|
||||
|
||||
try {
|
||||
await this.gitInstance.clone(config.url, targetDir, options);
|
||||
} catch (error) {
|
||||
throw new Error(
|
||||
`Failed to clone ${config.name}: ${(error as Error).message}`
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
private async updateRepo(repoDir: string): Promise<void> {
|
||||
const repoGit = simpleGit(repoDir);
|
||||
|
||||
try {
|
||||
await repoGit.pull();
|
||||
} catch (error) {
|
||||
console.warn(`Failed to update ${path.basename(repoDir)}: ${error}`);
|
||||
}
|
||||
}
|
||||
|
||||
async initializeAllRepositories(): Promise<void> {
|
||||
await Promise.all(
|
||||
BABYLON_REPOSITORIES.map((repo) =>
|
||||
this.ensureRepository(repo).catch((err) => {
|
||||
console.error(`Failed to initialize ${repo.name}:`, err.message);
|
||||
return null;
|
||||
})
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
getRepositoryPath(name: string): string {
|
||||
return path.join(this.baseDir, name);
|
||||
}
|
||||
}
|
||||
144
src/mcp/routes.test.ts
Normal file
144
src/mcp/routes.test.ts
Normal file
@ -0,0 +1,144 @@
|
||||
import { describe, it, expect, vi, beforeEach } from 'vitest';
|
||||
import express from 'express';
|
||||
import request from 'supertest';
|
||||
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
|
||||
import { setupRoutes } from './routes.js';
|
||||
import { MCP_SERVER_CONFIG } from './config.js';
|
||||
|
||||
vi.mock('./transport.js', () => ({
|
||||
handleMcpRequest: vi.fn(async (_server, _req, res) => {
|
||||
res.json({ jsonrpc: '2.0', result: { success: true }, id: 1 });
|
||||
}),
|
||||
}));
|
||||
|
||||
describe('Express Routes', () => {
|
||||
let app: express.Application;
|
||||
let mockServer: McpServer;
|
||||
|
||||
beforeEach(() => {
|
||||
app = express();
|
||||
mockServer = {} as McpServer;
|
||||
setupRoutes(app, mockServer);
|
||||
});
|
||||
|
||||
describe('GET /', () => {
|
||||
it('should return server information', async () => {
|
||||
const response = await request(app).get('/');
|
||||
|
||||
expect(response.status).toBe(200);
|
||||
expect(response.body).toHaveProperty('message', 'Babylon MCP Server');
|
||||
});
|
||||
|
||||
it('should include server name and version', async () => {
|
||||
const response = await request(app).get('/');
|
||||
|
||||
expect(response.body).toHaveProperty('server', MCP_SERVER_CONFIG.name);
|
||||
expect(response.body).toHaveProperty('version', MCP_SERVER_CONFIG.version);
|
||||
});
|
||||
|
||||
it('should list available endpoints', async () => {
|
||||
const response = await request(app).get('/');
|
||||
|
||||
expect(response.body).toHaveProperty('endpoints');
|
||||
expect(response.body.endpoints).toHaveProperty('mcp', '/mcp (POST)');
|
||||
expect(response.body.endpoints).toHaveProperty('health', '/health');
|
||||
});
|
||||
|
||||
it('should return JSON content type', async () => {
|
||||
const response = await request(app).get('/');
|
||||
|
||||
expect(response.headers['content-type']).toMatch(/application\/json/);
|
||||
});
|
||||
});
|
||||
|
||||
describe('GET /health', () => {
|
||||
it('should return healthy status', async () => {
|
||||
const response = await request(app).get('/health');
|
||||
|
||||
expect(response.status).toBe(200);
|
||||
expect(response.body).toHaveProperty('status', 'healthy');
|
||||
});
|
||||
|
||||
it('should include server name and version', async () => {
|
||||
const response = await request(app).get('/health');
|
||||
|
||||
expect(response.body).toHaveProperty('server', MCP_SERVER_CONFIG.name);
|
||||
expect(response.body).toHaveProperty('version', MCP_SERVER_CONFIG.version);
|
||||
});
|
||||
|
||||
it('should return JSON content type', async () => {
|
||||
const response = await request(app).get('/health');
|
||||
|
||||
expect(response.headers['content-type']).toMatch(/application\/json/);
|
||||
});
|
||||
});
|
||||
|
||||
describe('POST /mcp', () => {
|
||||
it('should accept MCP requests', async () => {
|
||||
const mcpRequest = {
|
||||
jsonrpc: '2.0',
|
||||
method: 'tools/list',
|
||||
id: 1,
|
||||
};
|
||||
|
||||
const response = await request(app).post('/mcp').send(mcpRequest);
|
||||
|
||||
expect(response.status).toBe(200);
|
||||
});
|
||||
|
||||
it('should handle JSON body', async () => {
|
||||
const mcpRequest = {
|
||||
jsonrpc: '2.0',
|
||||
method: 'tools/call',
|
||||
params: {
|
||||
name: 'search_babylon_docs',
|
||||
arguments: { query: 'test' },
|
||||
},
|
||||
id: 1,
|
||||
};
|
||||
|
||||
const response = await request(app)
|
||||
.post('/mcp')
|
||||
.set('Content-Type', 'application/json')
|
||||
.send(mcpRequest);
|
||||
|
||||
expect(response.status).toBe(200);
|
||||
expect(response.body).toHaveProperty('jsonrpc', '2.0');
|
||||
});
|
||||
|
||||
it('should delegate to handleMcpRequest', async () => {
|
||||
const { handleMcpRequest } = await import('./transport.js');
|
||||
|
||||
const mcpRequest = {
|
||||
jsonrpc: '2.0',
|
||||
method: 'tools/list',
|
||||
id: 1,
|
||||
};
|
||||
|
||||
await request(app).post('/mcp').send(mcpRequest);
|
||||
|
||||
expect(handleMcpRequest).toHaveBeenCalled();
|
||||
});
|
||||
});
|
||||
|
||||
describe('Middleware', () => {
|
||||
it('should parse JSON bodies', async () => {
|
||||
const jsonData = { test: 'data' };
|
||||
|
||||
const response = await request(app)
|
||||
.post('/mcp')
|
||||
.set('Content-Type', 'application/json')
|
||||
.send(jsonData);
|
||||
|
||||
expect(response.status).toBe(200);
|
||||
});
|
||||
});
|
||||
|
||||
describe('404 Handling', () => {
|
||||
it('should return 404 for unknown routes', async () => {
|
||||
const response = await request(app).get('/unknown-route');
|
||||
|
||||
expect(response.status).toBe(404);
|
||||
});
|
||||
});
|
||||
});
|
||||
58
src/mcp/routes.ts
Normal file
58
src/mcp/routes.ts
Normal file
@ -0,0 +1,58 @@
|
||||
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
|
||||
import express, { type Request, type Response } from 'express';
|
||||
import { MCP_SERVER_CONFIG } from './config.js';
|
||||
import { handleMcpRequest } from './transport.js';
|
||||
|
||||
export function setupRoutes(
|
||||
app: express.Application,
|
||||
server: McpServer
|
||||
): void {
|
||||
setupMiddleware(app);
|
||||
registerEndpoints(app, server);
|
||||
}
|
||||
|
||||
function setupMiddleware(app: express.Application): void {
|
||||
app.use(express.json());
|
||||
}
|
||||
|
||||
function registerEndpoints(
|
||||
app: express.Application,
|
||||
server: McpServer
|
||||
): void {
|
||||
registerRootEndpoint(app);
|
||||
registerHealthEndpoint(app);
|
||||
registerMcpEndpoint(app, server);
|
||||
}
|
||||
|
||||
function registerRootEndpoint(app: express.Application): void {
|
||||
app.get('/', (_req: Request, res: Response) => {
|
||||
res.json({
|
||||
message: 'Babylon MCP Server',
|
||||
server: MCP_SERVER_CONFIG.name,
|
||||
version: MCP_SERVER_CONFIG.version,
|
||||
endpoints: {
|
||||
mcp: '/mcp (POST)',
|
||||
health: '/health',
|
||||
},
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function registerHealthEndpoint(app: express.Application): void {
|
||||
app.get('/health', (_req: Request, res: Response) => {
|
||||
res.json({
|
||||
status: 'healthy',
|
||||
server: MCP_SERVER_CONFIG.name,
|
||||
version: MCP_SERVER_CONFIG.version,
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function registerMcpEndpoint(
|
||||
app: express.Application,
|
||||
server: McpServer
|
||||
): void {
|
||||
app.post('/mcp', async (req: Request, res: Response) => {
|
||||
await handleMcpRequest(server, req, res);
|
||||
});
|
||||
}
|
||||
248
src/mcp/server.test.ts
Normal file
248
src/mcp/server.test.ts
Normal file
@ -0,0 +1,248 @@
|
||||
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
|
||||
import express from 'express';
|
||||
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
|
||||
import { BabylonMCPServer } from './server.js';
|
||||
import { MCP_SERVER_CONFIG } from './config.js';
|
||||
|
||||
vi.mock('express', () => ({
|
||||
default: vi.fn(() => ({
|
||||
listen: vi.fn((_port: number, callback: () => void) => {
|
||||
callback();
|
||||
return {
|
||||
close: vi.fn((cb: () => void) => cb()),
|
||||
};
|
||||
}),
|
||||
})),
|
||||
}));
|
||||
|
||||
vi.mock('@modelcontextprotocol/sdk/server/mcp.js', () => {
|
||||
const MockMcpServer = vi.fn(function () {
|
||||
return {
|
||||
close: vi.fn().mockResolvedValue(undefined),
|
||||
};
|
||||
});
|
||||
return { McpServer: MockMcpServer };
|
||||
});
|
||||
|
||||
vi.mock('./handlers.js', () => ({
|
||||
setupHandlers: vi.fn(),
|
||||
}));
|
||||
|
||||
vi.mock('./routes.js', () => ({
|
||||
setupRoutes: vi.fn(),
|
||||
}));
|
||||
|
||||
vi.mock('./repository-manager.js', () => ({
|
||||
RepositoryManager: vi.fn(function () {
|
||||
return {
|
||||
initializeAllRepositories: vi.fn().mockResolvedValue(undefined),
|
||||
getRepositoryPath: vi.fn((name: string) => `/mock/path/${name}`),
|
||||
};
|
||||
}),
|
||||
}));
|
||||
|
||||
describe('BabylonMCPServer', () => {
|
||||
let server: BabylonMCPServer;
|
||||
let consoleLogSpy: ReturnType<typeof vi.spyOn>;
|
||||
|
||||
beforeEach(() => {
|
||||
vi.clearAllMocks();
|
||||
consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
|
||||
});
|
||||
|
||||
afterEach(() => {
|
||||
consoleLogSpy.mockRestore();
|
||||
});
|
||||
|
||||
describe('Constructor', () => {
|
||||
it('should create Express app', () => {
|
||||
server = new BabylonMCPServer();
|
||||
|
||||
expect(express).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it('should create McpServer with correct config', () => {
|
||||
server = new BabylonMCPServer();
|
||||
|
||||
expect(McpServer).toHaveBeenCalledWith(
|
||||
{
|
||||
name: MCP_SERVER_CONFIG.name,
|
||||
version: MCP_SERVER_CONFIG.version,
|
||||
},
|
||||
{
|
||||
capabilities: {
|
||||
tools: {},
|
||||
prompts: {},
|
||||
resources: {},
|
||||
},
|
||||
instructions: MCP_SERVER_CONFIG.instructions,
|
||||
}
|
||||
);
|
||||
});
|
||||
|
||||
it('should setup MCP handlers', async () => {
|
||||
const { setupHandlers } = await import('./handlers.js');
|
||||
|
||||
server = new BabylonMCPServer();
|
||||
|
||||
expect(setupHandlers).toHaveBeenCalledWith(expect.any(Object));
|
||||
});
|
||||
});
|
||||
|
||||
describe('start()', () => {
|
||||
beforeEach(() => {
|
||||
server = new BabylonMCPServer();
|
||||
});
|
||||
|
||||
it('should setup routes with app and server', async () => {
|
||||
const { setupRoutes } = await import('./routes.js');
|
||||
|
||||
await server.start();
|
||||
|
||||
expect(setupRoutes).toHaveBeenCalledWith(expect.any(Object), expect.any(Object));
|
||||
});
|
||||
|
||||
it('should start HTTP server on default port 4000', async () => {
|
||||
const mockApp = (express as unknown as ReturnType<typeof vi.fn>).mock.results[0]!
|
||||
.value;
|
||||
|
||||
await server.start();
|
||||
|
||||
expect(mockApp.listen).toHaveBeenCalledWith(4000, expect.any(Function));
|
||||
});
|
||||
|
||||
it('should start HTTP server on custom port', async () => {
|
||||
const mockApp = (express as unknown as ReturnType<typeof vi.fn>).mock.results[0]!
|
||||
.value;
|
||||
|
||||
await server.start(8080);
|
||||
|
||||
expect(mockApp.listen).toHaveBeenCalledWith(8080, expect.any(Function));
|
||||
});
|
||||
|
||||
it('should log server information after starting', async () => {
|
||||
await server.start(4000);
|
||||
|
||||
expect(consoleLogSpy).toHaveBeenCalledWith(
|
||||
expect.stringContaining(MCP_SERVER_CONFIG.name)
|
||||
);
|
||||
expect(consoleLogSpy).toHaveBeenCalledWith(
|
||||
expect.stringContaining(MCP_SERVER_CONFIG.version)
|
||||
);
|
||||
expect(consoleLogSpy).toHaveBeenCalledWith(
|
||||
expect.stringContaining('http://localhost:4000')
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe('shutdown()', () => {
|
||||
beforeEach(() => {
|
||||
server = new BabylonMCPServer();
|
||||
});
|
||||
|
||||
it('should log shutdown message', async () => {
|
||||
await server.shutdown();
|
||||
|
||||
expect(consoleLogSpy).toHaveBeenCalledWith(
|
||||
'Shutting down Babylon MCP Server...'
|
||||
);
|
||||
expect(consoleLogSpy).toHaveBeenCalledWith('Server shutdown complete');
|
||||
});
|
||||
|
||||
it('should close MCP server', async () => {
|
||||
const mockMcpServer = (McpServer as unknown as ReturnType<typeof vi.fn>).mock
|
||||
.results[0]!.value;
|
||||
|
||||
await server.shutdown();
|
||||
|
||||
expect(mockMcpServer.close).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it('should close HTTP server if running', async () => {
|
||||
await server.start();
|
||||
|
||||
const mockApp = (express as unknown as ReturnType<typeof vi.fn>).mock.results[0]!
|
||||
.value;
|
||||
const mockHttpServer = mockApp.listen.mock.results[0]!.value;
|
||||
|
||||
await server.shutdown();
|
||||
|
||||
expect(mockHttpServer.close).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it('should handle shutdown when HTTP server not started', async () => {
|
||||
await expect(server.shutdown()).resolves.not.toThrow();
|
||||
});
|
||||
});
|
||||
|
||||
describe('Error Handling', () => {
|
||||
let originalProcessOn: typeof process.on;
|
||||
let processListeners: Record<string, ((...args: unknown[]) => void)[]>;
|
||||
|
||||
beforeEach(() => {
|
||||
processListeners = {};
|
||||
originalProcessOn = process.on;
|
||||
process.on = vi.fn((event: string, callback: (...args: unknown[]) => void) => {
|
||||
if (!processListeners[event]) processListeners[event] = [];
|
||||
processListeners[event].push(callback);
|
||||
return process;
|
||||
}) as typeof process.on;
|
||||
});
|
||||
|
||||
afterEach(() => {
|
||||
process.on = originalProcessOn;
|
||||
});
|
||||
|
||||
it('should setup SIGINT handler', () => {
|
||||
server = new BabylonMCPServer();
|
||||
|
||||
expect(process.on).toHaveBeenCalledWith('SIGINT', expect.any(Function));
|
||||
});
|
||||
|
||||
it('should setup SIGTERM handler', () => {
|
||||
server = new BabylonMCPServer();
|
||||
|
||||
expect(process.on).toHaveBeenCalledWith('SIGTERM', expect.any(Function));
|
||||
});
|
||||
|
||||
it('should shutdown on SIGINT', async () => {
|
||||
server = new BabylonMCPServer();
|
||||
const shutdownSpy = vi.spyOn(server, 'shutdown').mockResolvedValue();
|
||||
const exitSpy = vi.spyOn(process, 'exit').mockImplementation(() => {
|
||||
return undefined as never;
|
||||
});
|
||||
|
||||
const sigintHandlers = processListeners['SIGINT'];
|
||||
expect(sigintHandlers).toBeDefined();
|
||||
expect(sigintHandlers!.length).toBeGreaterThan(0);
|
||||
|
||||
await sigintHandlers![0]!();
|
||||
|
||||
expect(shutdownSpy).toHaveBeenCalled();
|
||||
expect(exitSpy).toHaveBeenCalledWith(0);
|
||||
|
||||
shutdownSpy.mockRestore();
|
||||
exitSpy.mockRestore();
|
||||
});
|
||||
|
||||
it('should shutdown on SIGTERM', async () => {
|
||||
server = new BabylonMCPServer();
|
||||
const shutdownSpy = vi.spyOn(server, 'shutdown').mockResolvedValue();
|
||||
const exitSpy = vi.spyOn(process, 'exit').mockImplementation(() => {
|
||||
return undefined as never;
|
||||
});
|
||||
|
||||
const sigtermHandlers = processListeners['SIGTERM'];
|
||||
expect(sigtermHandlers).toBeDefined();
|
||||
expect(sigtermHandlers!.length).toBeGreaterThan(0);
|
||||
|
||||
await sigtermHandlers![0]!();
|
||||
|
||||
expect(shutdownSpy).toHaveBeenCalled();
|
||||
expect(exitSpy).toHaveBeenCalledWith(0);
|
||||
|
||||
shutdownSpy.mockRestore();
|
||||
exitSpy.mockRestore();
|
||||
});
|
||||
});
|
||||
});
|
||||
93
src/mcp/server.ts
Normal file
93
src/mcp/server.ts
Normal file
@ -0,0 +1,93 @@
|
||||
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
|
||||
import express from 'express';
|
||||
import { MCP_SERVER_CONFIG } from './config.js';
|
||||
import { setupHandlers } from './handlers.js';
|
||||
import { setupRoutes } from './routes.js';
|
||||
import { RepositoryManager } from './repository-manager.js';
|
||||
|
||||
/**
|
||||
* Babylon MCP Server
|
||||
* Provides documentation search and examples for Babylon.js development
|
||||
*/
|
||||
export class BabylonMCPServer {
|
||||
private server: McpServer;
|
||||
private app: express.Application;
|
||||
private httpServer?: ReturnType<express.Application['listen']>;
|
||||
private repositoryManager: RepositoryManager;
|
||||
|
||||
constructor() {
|
||||
this.app = express();
|
||||
this.repositoryManager = new RepositoryManager();
|
||||
this.server = new McpServer(
|
||||
{
|
||||
name: MCP_SERVER_CONFIG.name,
|
||||
version: MCP_SERVER_CONFIG.version,
|
||||
},
|
||||
{
|
||||
capabilities: {
|
||||
tools: {},
|
||||
prompts: {},
|
||||
resources: {},
|
||||
},
|
||||
instructions: MCP_SERVER_CONFIG.instructions,
|
||||
}
|
||||
);
|
||||
|
||||
setupHandlers(this.server);
|
||||
this.setupErrorHandling();
|
||||
}
|
||||
|
||||
private setupErrorHandling(): void {
|
||||
process.on('SIGINT', async () => {
|
||||
await this.shutdown();
|
||||
process.exit(0);
|
||||
});
|
||||
|
||||
process.on('SIGTERM', async () => {
|
||||
await this.shutdown();
|
||||
process.exit(0);
|
||||
});
|
||||
}
|
||||
|
||||
async start(port: number = 4000): Promise<void> {
|
||||
await this.repositoryManager.initializeAllRepositories();
|
||||
setupRoutes(this.app, this.server);
|
||||
this.startHttpServer(port);
|
||||
}
|
||||
|
||||
private startHttpServer(port: number): void {
|
||||
this.httpServer = this.app.listen(port, () => {
|
||||
this.logServerInfo(port);
|
||||
});
|
||||
}
|
||||
|
||||
private logServerInfo(port: number): void {
|
||||
console.log(`${MCP_SERVER_CONFIG.name} v${MCP_SERVER_CONFIG.version} running on HTTP`);
|
||||
console.log(`HTTP Server: http://localhost:${port}`);
|
||||
console.log(`MCP Endpoint: http://localhost:${port}/mcp`);
|
||||
console.log(`Capabilities: ${Object.keys(MCP_SERVER_CONFIG.capabilities).join(', ')}`);
|
||||
console.log('Ready to serve Babylon.js documentation');
|
||||
}
|
||||
|
||||
async shutdown(): Promise<void> {
|
||||
console.log('Shutting down Babylon MCP Server...');
|
||||
await this.closeMcpServer();
|
||||
await this.closeHttpServer();
|
||||
console.log('Server shutdown complete');
|
||||
}
|
||||
|
||||
private async closeMcpServer(): Promise<void> {
|
||||
await this.server.close();
|
||||
}
|
||||
|
||||
private async closeHttpServer(): Promise<void> {
|
||||
if (!this.httpServer) return;
|
||||
|
||||
await new Promise<void>((resolve) => {
|
||||
this.httpServer?.close(() => {
|
||||
console.log('HTTP server closed');
|
||||
resolve();
|
||||
});
|
||||
});
|
||||
}
|
||||
}
|
||||
226
src/mcp/transport.test.ts
Normal file
226
src/mcp/transport.test.ts
Normal file
@ -0,0 +1,226 @@
|
||||
import { describe, it, expect, vi, beforeEach } from 'vitest';
|
||||
import { type Request, type Response } from 'express';
|
||||
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
|
||||
import { StreamableHTTPServerTransport } from '@modelcontextprotocol/sdk/server/streamableHttp.js';
|
||||
import { handleMcpRequest } from './transport.js';
|
||||
|
||||
vi.mock('@modelcontextprotocol/sdk/server/streamableHttp.js', () => {
|
||||
const MockStreamableHTTPServerTransport = vi.fn(function () {
|
||||
return {
|
||||
handleRequest: vi.fn().mockResolvedValue(undefined),
|
||||
close: vi.fn(),
|
||||
};
|
||||
});
|
||||
return { StreamableHTTPServerTransport: MockStreamableHTTPServerTransport };
|
||||
});
|
||||
|
||||
describe('MCP Transport', () => {
|
||||
let mockServer: McpServer;
|
||||
let mockRequest: Partial<Request>;
|
||||
let mockResponse: Partial<Response>;
|
||||
|
||||
beforeEach(() => {
|
||||
vi.clearAllMocks();
|
||||
|
||||
mockServer = {
|
||||
connect: vi.fn().mockResolvedValue(undefined),
|
||||
} as unknown as McpServer;
|
||||
|
||||
mockRequest = {
|
||||
body: {
|
||||
jsonrpc: '2.0',
|
||||
method: 'tools/list',
|
||||
id: 1,
|
||||
},
|
||||
};
|
||||
|
||||
const listeners: Record<string, ((...args: unknown[]) => void)[]> = {};
|
||||
mockResponse = {
|
||||
on: vi.fn((event: string, callback: (...args: unknown[]) => void) => {
|
||||
if (!listeners[event]) listeners[event] = [];
|
||||
listeners[event].push(callback);
|
||||
return mockResponse as Response;
|
||||
}),
|
||||
status: vi.fn().mockReturnThis(),
|
||||
json: vi.fn().mockReturnThis(),
|
||||
headersSent: false,
|
||||
};
|
||||
});
|
||||
|
||||
describe('handleMcpRequest', () => {
|
||||
it('should create StreamableHTTPServerTransport', async () => {
|
||||
await handleMcpRequest(
|
||||
mockServer,
|
||||
mockRequest as Request,
|
||||
mockResponse as Response
|
||||
);
|
||||
|
||||
expect(StreamableHTTPServerTransport).toHaveBeenCalledWith({
|
||||
sessionIdGenerator: undefined,
|
||||
enableJsonResponse: true,
|
||||
});
|
||||
});
|
||||
|
||||
it('should connect server to transport', async () => {
|
||||
await handleMcpRequest(
|
||||
mockServer,
|
||||
mockRequest as Request,
|
||||
mockResponse as Response
|
||||
);
|
||||
|
||||
expect(mockServer.connect).toHaveBeenCalledWith(expect.any(Object));
|
||||
});
|
||||
|
||||
it('should call transport.handleRequest with correct parameters', async () => {
|
||||
await handleMcpRequest(
|
||||
mockServer,
|
||||
mockRequest as Request,
|
||||
mockResponse as Response
|
||||
);
|
||||
|
||||
const mockTransportInstance = (
|
||||
StreamableHTTPServerTransport as unknown as ReturnType<typeof vi.fn>
|
||||
).mock.results[0]!.value;
|
||||
|
||||
expect(mockTransportInstance.handleRequest).toHaveBeenCalledWith(
|
||||
mockRequest,
|
||||
mockResponse,
|
||||
mockRequest.body
|
||||
);
|
||||
});
|
||||
|
||||
it('should register close listener on response', async () => {
|
||||
await handleMcpRequest(
|
||||
mockServer,
|
||||
mockRequest as Request,
|
||||
mockResponse as Response
|
||||
);
|
||||
|
||||
expect(mockResponse.on).toHaveBeenCalledWith('close', expect.any(Function));
|
||||
});
|
||||
|
||||
it('should close transport when response closes', async () => {
|
||||
const listeners: Record<string, ((...args: unknown[]) => void)[]> = {};
|
||||
mockResponse.on = vi.fn((event: string, callback: (...args: unknown[]) => void) => {
|
||||
if (!listeners[event]) listeners[event] = [];
|
||||
listeners[event].push(callback);
|
||||
return mockResponse as Response;
|
||||
});
|
||||
|
||||
await handleMcpRequest(
|
||||
mockServer,
|
||||
mockRequest as Request,
|
||||
mockResponse as Response
|
||||
);
|
||||
|
||||
const closeCallbacks = listeners['close'];
|
||||
expect(closeCallbacks).toBeDefined();
|
||||
expect(closeCallbacks!.length).toBeGreaterThan(0);
|
||||
|
||||
const mockTransportInstance = (
|
||||
StreamableHTTPServerTransport as unknown as ReturnType<typeof vi.fn>
|
||||
).mock.results[0]!.value;
|
||||
|
||||
closeCallbacks![0]!();
|
||||
expect(mockTransportInstance.close).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it('should handle errors and return JSON-RPC error response', async () => {
|
||||
const errorMessage = 'Test error';
|
||||
mockServer.connect = vi.fn().mockRejectedValue(new Error(errorMessage));
|
||||
|
||||
const consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
|
||||
|
||||
await handleMcpRequest(
|
||||
mockServer,
|
||||
mockRequest as Request,
|
||||
mockResponse as Response
|
||||
);
|
||||
|
||||
expect(consoleErrorSpy).toHaveBeenCalledWith(
|
||||
'Error handling MCP request:',
|
||||
expect.any(Error)
|
||||
);
|
||||
|
||||
expect(mockResponse.status).toHaveBeenCalledWith(500);
|
||||
expect(mockResponse.json).toHaveBeenCalledWith({
|
||||
jsonrpc: '2.0',
|
||||
error: {
|
||||
code: -32603,
|
||||
message: 'Internal server error',
|
||||
},
|
||||
id: null,
|
||||
});
|
||||
|
||||
consoleErrorSpy.mockRestore();
|
||||
});
|
||||
|
||||
it('should not send error response if headers already sent', async () => {
|
||||
mockServer.connect = vi.fn().mockRejectedValue(new Error('Test error'));
|
||||
mockResponse.headersSent = true;
|
||||
|
||||
const consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
|
||||
|
||||
await handleMcpRequest(
|
||||
mockServer,
|
||||
mockRequest as Request,
|
||||
mockResponse as Response
|
||||
);
|
||||
|
||||
expect(mockResponse.status).not.toHaveBeenCalled();
|
||||
expect(mockResponse.json).not.toHaveBeenCalled();
|
||||
|
||||
consoleErrorSpy.mockRestore();
|
||||
});
|
||||
|
||||
it('should handle transport.handleRequest errors', async () => {
|
||||
// Create a mock that will throw an error when handleRequest is called
|
||||
vi.mocked(StreamableHTTPServerTransport).mockImplementationOnce(
|
||||
vi.fn(function () {
|
||||
return {
|
||||
handleRequest: vi.fn().mockRejectedValue(new Error('Transport error')),
|
||||
close: vi.fn(),
|
||||
};
|
||||
}) as never
|
||||
);
|
||||
|
||||
const consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
|
||||
|
||||
await handleMcpRequest(
|
||||
mockServer,
|
||||
mockRequest as Request,
|
||||
mockResponse as Response
|
||||
);
|
||||
|
||||
expect(consoleErrorSpy).toHaveBeenCalled();
|
||||
expect(mockResponse.status).toHaveBeenCalledWith(500);
|
||||
|
||||
consoleErrorSpy.mockRestore();
|
||||
});
|
||||
});
|
||||
|
||||
describe('Error Response Format', () => {
|
||||
it('should return valid JSON-RPC 2.0 error format', async () => {
|
||||
mockServer.connect = vi.fn().mockRejectedValue(new Error('Test'));
|
||||
|
||||
const consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
|
||||
|
||||
await handleMcpRequest(
|
||||
mockServer,
|
||||
mockRequest as Request,
|
||||
mockResponse as Response
|
||||
);
|
||||
|
||||
const errorResponse = (mockResponse.json as ReturnType<typeof vi.fn>).mock
|
||||
.calls[0]![0];
|
||||
|
||||
expect(errorResponse).toHaveProperty('jsonrpc', '2.0');
|
||||
expect(errorResponse).toHaveProperty('error');
|
||||
expect(errorResponse.error).toHaveProperty('code', -32603);
|
||||
expect(errorResponse.error).toHaveProperty('message', 'Internal server error');
|
||||
expect(errorResponse).toHaveProperty('id', null);
|
||||
|
||||
consoleErrorSpy.mockRestore();
|
||||
});
|
||||
});
|
||||
});
|
||||
44
src/mcp/transport.ts
Normal file
44
src/mcp/transport.ts
Normal file
@ -0,0 +1,44 @@
|
||||
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
|
||||
import { StreamableHTTPServerTransport } from '@modelcontextprotocol/sdk/server/streamableHttp.js';
|
||||
import { type Request, type Response } from 'express';
|
||||
|
||||
export async function handleMcpRequest(
|
||||
server: McpServer,
|
||||
req: Request,
|
||||
res: Response
|
||||
): Promise<void> {
|
||||
try {
|
||||
const transport = createMcpTransport();
|
||||
|
||||
res.on('close', () => {
|
||||
transport.close();
|
||||
});
|
||||
|
||||
await server.connect(transport);
|
||||
await transport.handleRequest(req, res, req.body);
|
||||
} catch (error) {
|
||||
handleMcpError(error, res);
|
||||
}
|
||||
}
|
||||
|
||||
function createMcpTransport(): StreamableHTTPServerTransport {
|
||||
return new StreamableHTTPServerTransport({
|
||||
sessionIdGenerator: undefined,
|
||||
enableJsonResponse: true,
|
||||
});
|
||||
}
|
||||
|
||||
function handleMcpError(error: unknown, res: Response): void {
|
||||
console.error('Error handling MCP request:', error);
|
||||
|
||||
if (!res.headersSent) {
|
||||
res.status(500).json({
|
||||
jsonrpc: '2.0',
|
||||
error: {
|
||||
code: -32603,
|
||||
message: 'Internal server error',
|
||||
},
|
||||
id: null,
|
||||
});
|
||||
}
|
||||
}
|
||||
45
tsconfig.json
Normal file
45
tsconfig.json
Normal file
@ -0,0 +1,45 @@
|
||||
{
|
||||
"compilerOptions": {
|
||||
/* Language and Environment */
|
||||
"target": "ES2022",
|
||||
"lib": ["ES2022"],
|
||||
"module": "NodeNext",
|
||||
"moduleResolution": "NodeNext",
|
||||
|
||||
/* Emit */
|
||||
"outDir": "./dist",
|
||||
"rootDir": "./src",
|
||||
"sourceMap": true,
|
||||
"declaration": true,
|
||||
"declarationMap": true,
|
||||
"removeComments": true,
|
||||
"importHelpers": true,
|
||||
|
||||
/* Interop Constraints */
|
||||
"esModuleInterop": true,
|
||||
"allowSyntheticDefaultImports": true,
|
||||
"forceConsistentCasingInFileNames": true,
|
||||
"isolatedModules": true,
|
||||
"verbatimModuleSyntax": true,
|
||||
|
||||
/* Type Checking */
|
||||
"strict": true,
|
||||
"noUnusedLocals": true,
|
||||
"noUnusedParameters": true,
|
||||
"noFallthroughCasesInSwitch": true,
|
||||
"noUncheckedIndexedAccess": true,
|
||||
"noImplicitOverride": true,
|
||||
"allowUnusedLabels": false,
|
||||
"allowUnreachableCode": false,
|
||||
"exactOptionalPropertyTypes": true,
|
||||
|
||||
/* Completeness */
|
||||
"skipLibCheck": true
|
||||
},
|
||||
"include": ["src/**/*"],
|
||||
"exclude": ["node_modules", "dist"],
|
||||
"ts-node": {
|
||||
"esm": true,
|
||||
"experimentalSpecifierResolution": "node"
|
||||
}
|
||||
}
|
||||
32
vitest.config.ts
Normal file
32
vitest.config.ts
Normal file
@ -0,0 +1,32 @@
|
||||
import { defineConfig } from 'vitest/config';
|
||||
|
||||
export default defineConfig({
|
||||
test: {
|
||||
globals: true,
|
||||
environment: 'node',
|
||||
exclude: [
|
||||
'**/node_modules/**',
|
||||
'**/dist/**',
|
||||
'**/data/**',
|
||||
'**/.{idea,git,cache,output,temp}/**',
|
||||
],
|
||||
coverage: {
|
||||
provider: 'v8',
|
||||
reporter: ['text', 'json', 'html'],
|
||||
exclude: [
|
||||
'node_modules/',
|
||||
'dist/',
|
||||
'**/*.test.ts',
|
||||
'**/__tests__/',
|
||||
'vitest.config.ts',
|
||||
],
|
||||
thresholds: {
|
||||
lines: 80,
|
||||
functions: 80,
|
||||
branches: 75,
|
||||
statements: 80,
|
||||
},
|
||||
},
|
||||
setupFiles: ['./src/__tests__/setup.ts'],
|
||||
},
|
||||
});
|
||||
Loading…
Reference in New Issue
Block a user