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PrefectHQ/fastmcp
Python framework for building MCP servers and clients
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- Source
- collected from the abordage/awesome-mcp list · type: MCP server
- Harvest history
- first seen 2026-10-14 · last seen 2026-10-16 · seen 4× · listed by 3 sources
- Score
- score 303 · 3 sources · mcp
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How do I install it?
We did not find an install command for this repository (our install coverage is only about 4%). Check its README or releases page.
Who is it for?
We filed it under these tags: MCP 服务. The tags come from the entry itself, not a taxonomy we imposed.
Who maintains it?
first catalogued 2026-10-14；last seen 2026-10-16。There is no official certification or quality rating here — we record sources and dates only.
Third-party quality signals
FastMCP 🚀
以下摘录自该仓库的 README（片段） · 在 GitHub 读完整 README →
Move fast and make things.
*Made with 💙 by Prefect*
---
The Model Context Protocol (MCP) connects LLMs to tools and data. FastMCP is a full MCP application framework for servers, clients, and interactive apps. A server starts with ordinary Python:
Why FastMCP
Building an effective MCP application is harder than it looks. FastMCP handles all of it. Declare a tool with a Python function, and the schema, validation, and documentation are generated automatically. Connect to a server with a URL, and transport negotiation, authentication, and protocol lifecycle are managed for you. You focus on your logic, and the MCP part just works: **with FastMCP, best practices are built in.**
**That's why FastMCP is the standard framework for working with MCP.** FastMCP 1.0 was incorporated into the official MCP Python SDK in 2024. Today, the actively maintained standalone project is downloaded a million times a day, and some version of FastMCP powers 70% of MCP servers across all languages.
FastMCP has three pillars:
Servers
Expose tools, resources, and prompts to LLMs.
Apps
Give your tools interactive UIs rendered directly in the conversation.
Clients
Connect to any MCP server — local or remote, programmatic or CLI.
**Servers** wrap your Python functions into MCP-compliant tools, resources, and prompts. **Clients** connect to any server with full protocol support. And **Apps** give your tools interactive UIs rendered directly in the conversation.
**Building in TypeScript?** FastMCP for TypeScript is the official counterpart, built and maintained by the same team. Same pillars, same ideas, npm install @prefecthq/fastmcp-ts.
Ready to build? Start with the installation guide or jump straight to the quickstart.
Scale MCP with Horizon
FastMCP handles the MCP application layer. **Prefect Horizon** is the enterprise MCP gateway for scaling servers and tools across teams, with centralized governance over how they are deployed, discovered, secured, and used.
FastMCP and Horizon are built by the same team at Prefect.
Deploy FastMCP servers from GitHub with branch previews and instant rollback. Create a private registry of every MCP your company uses. Secure access with SSO and tool-level RBAC. Get audit logs, observability, and governance across your MCP stack. Remix approved tools into purpose-built endpoints for teams and agents.
Start with FastMCP. Scale with Horizon →
Installation
We recommend adding FastMCP to your project with uv:
For full installation instructions, including verification and upgrading, see the **Installation Guide**.
**Upgrading?** We have guides for:
- Upgrading from FastMCP 3
- Upgrading from FastMCP 2
*Made with 💙 by Prefect*
---
The Model Context Protocol (MCP) connects LLMs to tools and data. FastMCP is a full MCP application framework for servers, clients, and interactive apps. A server starts with ordinary Python:
Why FastMCP
Building an effective MCP application is harder than it looks. FastMCP handles all of it. Declare a tool with a Python function, and the schema, validation, and documentation are generated automatically. Connect to a server with a URL, and transport negotiation, authentication, and protocol lifecycle are managed for you. You focus on your logic, and the MCP part just works: **with FastMCP, best practices are built in.**
**That's why FastMCP is the standard framework for working with MCP.** FastMCP 1.0 was incorporated into the official MCP Python SDK in 2024. Today, the actively maintained standalone project is downloaded a million times a day, and some version of FastMCP powers 70% of MCP servers across all languages.
FastMCP has three pillars:
Servers
Expose tools, resources, and prompts to LLMs.
Apps
Give your tools interactive UIs rendered directly in the conversation.
Clients
Connect to any MCP server — local or remote, programmatic or CLI.
**Servers** wrap your Python functions into MCP-compliant tools, resources, and prompts. **Clients** connect to any server with full protocol support. And **Apps** give your tools interactive UIs rendered directly in the conversation.
**Building in TypeScript?** FastMCP for TypeScript is the official counterpart, built and maintained by the same team. Same pillars, same ideas, npm install @prefecthq/fastmcp-ts.
Ready to build? Start with the installation guide or jump straight to the quickstart.
Scale MCP with Horizon
FastMCP handles the MCP application layer. **Prefect Horizon** is the enterprise MCP gateway for scaling servers and tools across teams, with centralized governance over how they are deployed, discovered, secured, and used.
FastMCP and Horizon are built by the same team at Prefect.
Deploy FastMCP servers from GitHub with branch previews and instant rollback. Create a private registry of every MCP your company uses. Secure access with SSO and tool-level RBAC. Get audit logs, observability, and governance across your MCP stack. Remix approved tools into purpose-built endpoints for teams and agents.
Start with FastMCP. Scale with Horizon →
Installation
We recommend adding FastMCP to your project with uv:
For full installation instructions, including verification and upgrading, see the **Installation Guide**.
**Upgrading?** We have guides for:
- Upgrading from FastMCP 3
- Upgrading from FastMCP 2
- Source
- awesome · https://github.com/PrefectHQ/fastmcp
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