FastMCP 3.0
The fast, Pythonic way to build MCP servers and clients
FastMCP 3.0 is a Python framework for creating MCP servers and clients that support AI‑driven workflows. It enables developers to gather tools and data from diverse sources, reshape them, manage access, monitor state and execute long‑running tasks. Built‑in hot reload, versioning and observability help maintain production‑ready services, while seamless LLM integration makes it suitable for scalable, intelligent applications.