FastMCP
MCPPrefect
FastMCP is the Python framework many people use to write their own MCP servers and clients.
- By Prefect
- Python framework
- Open source (Apache-2.0)
At a glance
28,392 GitHub starsGitHubAs of Nov 11, 2026GitHub repository
Evidence notes
- Evidence level: GitHub snapshot.
- A build tool, not a server you connect to. Free under Apache-2.0.
- GitHub star count on Nov 11, 2026. Stars show interest, not users.
Key facts
As of Nov 11, 2026
- Who it's for
- Developers writing their own MCP server in Python.
- What does it let an agent do?
- A full application framework for MCP servers, clients and interactive apps. A server starts from ordinary Python functions. A TypeScript version exists.
- Hosted or run locally?
- A library you run yourself, locally or on your own hosting.
- How does it sign in?
- You build sign-in into your own server; the framework's docs cover the options.
- What does it cost?
- Free and open source under Apache-2.0.
- How many people use it?
- 28,392 GitHub stars on Nov 11, 2026. That is interest, not users.
Common questions
What is FastMCP?
FastMCP is the Python framework many people use to write their own MCP servers and clients.
Who is FastMCP for?
Developers writing their own MCP server in Python.
How much does FastMCP cost?
Free and open source under Apache-2.0. Checked against the vendor's pages on Nov 11, 2026. Plans change often, so confirm before you decide.
Does FastMCP run locally or in the cloud?
FastMCP runs in the vendor's cloud. You use it through chat apps and an API.
What are alternatives to FastMCP?
Others on the MCP shortlist: Composio.