FastMCP

FastMCP is a Python framework for building Model Context Protocol servers, clients, and applications.

FastMCP is the standard framework for building Model Context Protocol servers, clients, and interactive applications. It helps developers move fast to create servers, apps, and clients. The framework includes LLM-friendly documentation such as llms.txt and llms-full.txt to index and contain the complete documentation. Version 4 is built for the new MCP protocol. It provides tools to build your first server and scale MCP with Horizon.

FastMCP at a glance

Best for: Software engineer
Pricing: Free
Released: November 2024
Category: AI coding tool
Website: gofastmcp.com

Key features

Build MCP servers
Build MCP clients
Build interactive applications
Scale MCP with Horizon
LLM-friendly documentation index

Use it for

Build Model Context Protocol servers
Build Model Context Protocol clients
Scale MCP with Horizon

Alternatives to FastMCP

MCP Python SDK — Builds protocol servers and clients using standard Python type hints.
fast-agent — Improves agent accuracy and cost efficiency via MCP integration.
MCP C# SDK — Official C# implementation for the Model Context Protocol.
Official MCP Servers — Find trusted official MCP servers without unofficial forks or abandoned projects.
MetaMCP — Centralizes MCP server management with enterprise authentication and scaling.
ContextMCP — Maintains fresh, accurate context for AI agents using AST-aware chunking.
Coding Tools MCP — Turns any chat app into a coding agent with strict workspace safety boundaries.
MCP Toolbox for Databases — Connects AI agents to diverse enterprise databases with built-in security and observability.
AWS MCP Servers — Provides real-time access to official AWS documentation and infrastructure tools.
MCP Rust SDK — Build official Model Context Protocol servers and clients in Rust.
Spec Workflow MCP — It brings sequential spec creation and real-time tracking to your AI workflow.
MCP Server Finder — It provides a comprehensive directory with detailed profiles and compatibility matrices.

All FastMCP alternatives