MCP Hackathon Docs
Documentation library for the MCP Python SDK, providing documentation for the Python development toolkit of the Model Context Protocol (MCP), including usage guides and API references for the FastMCP server framework.
rating : 2.5 points
downloads : 5.6K
What is the MCP Python SDK?
The MCP Python SDK is a development toolkit based on the open standard of the Model Context Protocol, which helps developers easily build services that interact with large language models (LLMs). It provides a complete solution for creating MCP servers and clients.How to use the MCP Python SDK?
Tools and functions can be defined through simple Python decorators, supporting multiple running modes including development mode, Claude desktop integration, and custom deployment.Use cases
Suitable for developers who need to expose business functions as tools callable by LLMs, or application scenarios that require integrating multiple LLM services.Main features
FastMCP integration
Built-in advanced FastMCP interfaces to create fully functional MCP servers with minimal code
Multiple running modes
Supports multiple running modes such as development mode, production deployment, and Claude desktop integration
Type safety
Automatically validates inputs and outputs based on Python type hints to ensure interface reliability
Advantages
Minimalist API design for quick start
Built-in development tools and debugging support
Comprehensive documentation and examples
Active developer community support
Limitations
Currently only supports the Python language
Additional configuration is required for production deployment
Not very friendly to non-Python developers
How to use
Install dependencies
Create a Python virtual environment and install the required dependency packages
Create the first MCP server
Use FastMCP to create a server containing simple tools
Run the server
Select a suitable running mode to start the server
Usage examples
Create a calculator tool
Expose basic calculation functions as tools callable by LLMs
Integrate external APIs
Package the weather forecast API as an MCP tool
Frequently Asked Questions
What Python version is required for the MCP server?
How to debug MCP tools?
Does it support asynchronous tools?
Related resources
Official MCP website
Understand the core concepts and specifications of the MCP protocol
Python SDK GitHub repository
Source code and issue tracking
MCP specification documentation
Complete technical specifications of the protocol
GitHub discussion area
Communicate with other developers

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