The fast, Pythonic way to build MCP servers and clients, now a full MCP application framework from Prefect.
pip install fastmcpFastMCP turns Python functions into MCP tools with a decorator. It handles the protocol details, so you can focus on what the tools do. It covers servers, clients and interactive apps.
pip install fastmcp
Decorate a function with @mcp.tool, then run the server.
Stanford NLP · Tool / CLI
Stanford's framework for programming, not prompting, language models, with optimizers that tune your prompts for you.
Model Context Protocol · Tool / CLI
The official tool for testing and debugging MCP servers, with a web UI, a CLI and a terminal UI.
Anthropic · Skill
The Anthropic skill that guides Claude through designing and building high-quality MCP servers in Python or TypeScript.