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FastMCP

A fast, Pythonic framework for building production-grade MCP servers and clients.

Official WebsiteGitHub
Categories
Building the App
Python
Our Take

FastMCP is to the MCP ecosystem what Next.js is to React. Backed by the Prefect team, it abstracts away all the complex protocol details and server management boilerplate, letting you focus on building the tools themselves. If you are a Python developer looking to create an MCP interface for your service, this is undoubtedly the best place to start.

Quick Start
// 1. Install the framework
    uv pip install fastmcp
    
    // 2. Create your server (e.g., server.py)
    from fastmcp import FastMCP
    mcp = FastMCP("Demo 🚀")
    
    @mcp.tool
    def add(a: int, b: int) -> int:
        """Add two numbers"""
        return a + b
    
    // 3. Run the server
    fastmcp run server.py