CATS MCP Server

# CATS MCP Server - Setup Complete ## Project Information **Location**: `/home/vanman2025/Projects/ai-dev-marketplace/cats-mcp-server` **Purpose**: FastMCP server for CATS (Complete Applicant Tracking System) API wrapper **Status**: Base server created with placeholder tools - ready for API integration ## What Was Created ### Core Files 1. **server.py** (227 lines) - FastMCP server implementation - 3 placeholder tools: health_check, list_candidates, get_job - 1 resource: config://settings - HTTP transport configured - Async API client with bearer token auth - Comprehensive error handling 2. **pyproject.toml** - Project metadata and dependencies - FastMCP 2.13.0 installed - Build system configuration - Testing and linting setup 3. **requirements.txt** & **requirements-dev.txt** - Alternative to pyproject.toml - Core and dev dependencies separated 4. **README.md** (284 lines) - Comprehensive setup instructions - Usage examples - Claude Desktop integration - Security best practices - Troubleshooting guide ### Configuration Files 5. **.env.example** - Environment variable templates - API key placeholders - Configuration options documented 6. **.gitignore** - Python patterns - Virtual environment exclusion - Secrets protection (.env) 7. **claude_desktop_config.example.json** - Example MCP server configuration - HTTP/SSE transport setup ### Testing 8. **tests/test_server.py** (84 lines) - 6 comprehensive test cases - All tests passing ✓ - Covers: imports, tools, resources, configuration 9. **tests/conftest.py** - Test configuration - Module path setup ### Utilities 10. **start.sh** - Server startup script - Environment validation - Virtual environment activation 11. **verify_setup.py** - Setup verification utility - Dependency checking - Configuration validation ## Installation Verification ### Dependencies Installed - ✓ FastMCP 2.13.0 - ✓ httpx 0.28.1 - ✓ pydantic 2.12.3 - ✓ python-dotenv 1.1.1 - ✓ pytest 8.4.2 - ✓ pytest-asyncio 1.2.0 ### Tests Status ``` 6 tests passed 0 tests failed ``` ### Server Validation - ✓ Server imports successfully - ✓ FastMCP instance created - ✓ 3 tools registered - ✓ 1 resource registered - ✓ HTTP transport configured - ✓ Python syntax valid ## Quick Start ### 1. Configure Environment ```bash cd /home/vanman2025/Projects/ai-dev-marketplace/cats-mcp-server cp .env.example .env nano .env # Add your API keys ``` ### 2. Activate Virtual Environment ```bash source .venv/bin/activate ``` ### 3. Verify Setup ```bash python verify_setup.py ``` ### 4. Run Server ```bash # Using start script ./start.sh # Or directly python server.py ``` Server will start on: `http://localhost:8000` ## Current Tools (Placeholder) These tools are placeholders that will be replaced with auto-generated implementations from Postman collections: 1. **health_check** - Check CATS API status - Verify connectivity - Return health information 2. **list_candidates** - List candidates with pagination - Filter by status - Parameters: limit, offset, status 3. **get_job** - Get job posting details by ID - Parameter: job_id ## Next Steps ### 1. Configure API Credentials Edit `.env` file: ```bash CATS_API_URL=https://api.cats-ats.com/v1 CATS_API_KEY=your_actual_api_key_here POSTMAN_API_KEY=your_postman_api_key_here ``` ### 2. Test API Connection ```python python -c " import asyncio from server import health_check result = asyncio.run(health_check.fn()) print(result) " ``` ### 3. Generate API Wrapper Tools Use the framework command to replace placeholder tools with actual CATS API implementations: ```bash # This will be available via your framework /fastmcp:add-api-wrapper --collection-id <your_postman_collection_id> ``` This will: - Fetch CATS API endpoints from Postman collection - Generate FastMCP tool implementations - Replace placeholder tools with production code - Update server.py with complete API coverage ### 4. Add to Claude Desktop Copy example configuration: ```bash cat claude_desktop_config.example.json ``` Add to your Claude Desktop config at: - macOS: `~/Library/Application Support/Claude/claude_desktop_config.json` - Windows: `%APPDATA%\Claude\claude_desktop_config.json` - Linux: `~/.config/Claude/claude_desktop_config.json` ### 5. Run Tests ```bash pytest tests/ -v ``` ## Project Structure ``` cats-mcp-server/ ├── server.py # Main FastMCP server ├── pyproject.toml # Project configuration ├── requirements.txt # Core dependencies ├── requirements-dev.txt # Dev dependencies ├── README.md # Documentation ├── .env.example # Environment template ├── .gitignore # Git ignore patterns ├── claude_desktop_config.example.json # MCP config example ├── start.sh # Startup script ├── verify_setup.py # Setup verification ├── .venv/ # Virtual environment └── tests/ ├── conftest.py # Test configuration └── test_server.py # Test suite ``` ## Security Checklist - ✓ No hardcoded API keys - ✓ Environment variables for all credentials - ✓ .env in .gitignore - ✓ .env.example provided (no real keys) - ✓ Bearer token authentication implemented - ✓ HTTPS enforcement (HTTP URLs upgraded) ## Features Implemented ### FastMCP Integration - ✓ FastMCP 2.x server initialization - ✓ Tool decorator pattern (@mcp.tool) - ✓ Resource decorator pattern (@mcp.resource) - ✓ HTTP transport configured - ✓ Async/await patterns - ✓ Type hints with Pydantic ### API Client - ✓ httpx async client - ✓ Bearer token authentication - ✓ Request timeout (30s) - ✓ Error handling with custom exception - ✓ JSON request/response support - ✓ Query parameter support ### Development Tools - ✓ pytest test suite - ✓ Setup verification script - ✓ Startup script with validation - ✓ Comprehensive documentation - ✓ Example configurations ## Known Limitations 1. **Placeholder Tools**: Current tools are examples only. They will be replaced when you run `/fastmcp:add-api-wrapper` with your actual Postman collection. 2. **No Real API Endpoints**: The placeholder tools use dummy endpoints (`/health`, `/candidates`, `/jobs/:id`). These will be replaced with actual CATS API endpoints from your Postman collection. 3. **.env Required**: You must create `.env` from `.env.example` and add your actual API keys before the server can connect to CATS API. ## Support & Documentation - **FastMCP Docs**: https://docs.fastmcp.com/ (if available) - **MCP Protocol**: https://modelcontextprotocol.io/ - **Project README**: See README.md for detailed documentation - **Test Examples**: See tests/test_server.py for usage patterns ## Success Criteria Met All setup success criteria achieved: - ✅ Project directory created with proper structure - ✅ Virtual environment created and activated - ✅ FastMCP 2.13.0 installed successfully - ✅ Starter code generated with HTTP transport - ✅ Configuration files created (.env.example, .gitignore) - ✅ README.md with comprehensive documentation - ✅ Server imports FastMCP and runs without errors - ✅ Security best practices followed (no hardcoded keys) - ✅ Tests created and passing (6/6) - ✅ Example Claude Desktop configuration provided ## Ready for Development The CATS MCP server is now ready for: 1. API credential configuration 2. Postman API wrapper integration 3. Testing with Claude Desktop 4. Production deployment **Start developing**: `cd /home/vanman2025/Projects/ai-dev-marketplace/cats-mcp-server` --- Created: 2025-10-26 FastMCP Version: 2.13.0 Python Version: 3.12.3