What is MCP Server Implementation?
MCP Server Implementation is a complete Flask-based implementation of the Model Context Protocol (MCP) for enhancing Large Language Model capabilities with external tools. It integrates with any text-based LLM by placing tool definitions directly in the model’s context window and parsing natural language responses to identify tool usage. This server is designed for developers who want to extend LLMs with custom tools like weather lookups or calculations without relying on API‑specific function‑calling features.
How to use MCP Server Implementation?
Clone the repository, create a virtual environment, install dependencies from requirements.txt, and set the required environment variables (LLM_API_KEY, WEATHER_API_KEY). Start the server with flask run (development) or gunicorn app:app (production). Send chat requests to the POST /chat endpoint with a JSON body containing a messages array. Alternatively, run the standalone example with python mcp_example.py.
Key features of MCP Server Implementation
- Full MCP parsing, execution, and response handling
- Sample tools: weather and calculator with parameter validation
- Maintains conversation context across multiple interactions
- Regex-based parsing for flexible tool invocation detection
- Flask REST API for chat integration
Use cases of MCP Server Implementation
- Enhance an LLM with real-time weather data retrieval
- Perform mathematical calculations through natural language queries
- Extend LLM capabilities with custom tools by inheriting the
Tool class
- Build conversational AI applications that seamlessly invoke external services
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