fastmcp

FastMCP is a full-stack application framework designed to simplify the development of Model Context Protocol (MCP) applications. It allows developers to expose Python functions as MCP-compliant tools, resources, or prompts with automatic schema generation, validation, and documentation. The framework supports three core components: Servers (for exposing tools to LLMs), Clients (for connecting to any MCP server), and Apps (for rendering interactive UIs within conversations). FastMCP handles transport negotiation, authentication, and protocol lifecycle, letting developers focus on business logic. It includes TypeScript support via @prefecthq/fastmcp-ts. Built by Prefect, it integrates with Prefect Horizon for enterprise-scale deployment, governance, and observability. Installation is recommended via 'uv add fastmcp'. Documentation is available at gofastmcp.com, including llms.txt format for LLM consumption. Community support is offered via Discord.