FastMCP
FastMCP: Pythonic MCP server builder for LLM context and tools. FastMCP is a Model Context Protocol (MCP) server maintained by jlowin. It connects to MCP-compatible clients such as Claude Desktop, Cursor, Cline, and other agents that speak the protocol. It is categorized under AI/LLM, Tool/Server and Framework/Python.
What is this MCP
FastMCP is a Python framework for building Model Context Protocol (MCP) servers, which provide standardized context and tools to LLMs. It simplifies creating tools, resources, and prompts with clean Python code.
How to use this MCP
Decorate Python functions with@mcp.tool(), @mcp.resource(), or @mcp.prompt() to expose them to LLMs. Run with fastmcp dev for testing or fastmcp install for Claude Desktop integration.
What this MCP can be used for
Building secure, standardized interfaces for LLMs to access tools and data, creating proxy servers, composing multiple MCP services, and generating MCP servers from OpenAPI/FastAPI specs.
AIMCP authority
DR and traffic signal for the AIMCP public domain.
Frequently asked questions
What is the FastMCP MCP server?
FastMCP is a Model Context Protocol server from jlowin. It lets MCP-compatible AI clients call its tools over a standard interface, so agents like Claude, Cursor, and Cline can use it without custom integration.
How do I connect FastMCP to my AI client?
Add FastMCP to your client's MCP configuration using the stdio or SSE connection shown in the usage examples on this page, then restart the client to load the server.
Is FastMCP free to use?
FastMCP is listed on AIMCP for free. Any API keys or accounts required by the underlying service are set by its provider.
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