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Resource detail

fastmcp

🚀 The fast, Pythonic way to build MCP servers and clients.

GlobalFreeOpen source

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At a glance

fastmcp

Pricing

Free

Access

No login

Platforms

Python

Chinese support

Last checked

2026-09-03

Popularity

93/100

Free quota：按 Apache 2.0 开源，安装和自建 MCP 服务器不收费；官方另有企业级 MCP 网关 Prefect Horizon，文档未公开其价格。

Pricing evidence

USD 0 / 开源框架框架本身按 Apache 2.0 开源，用 uv add fastmcp 即可安装，不收费。官方同时推广面向团队的企业级 MCP 网关 Prefect Horizon，用于部署、治理和观测服务器，官方文档站未给出其价格。运行 MCP 服务器所需的模型和基础设施费用另计。Open price source

Free quota：按 Apache 2.0 开源，安装和自建 MCP 服务器不收费；官方另有企业级 MCP 网关 Prefect Horizon，文档未公开其价格。

Verification and source

Partially verified

已核对 Apache 2.0 许可、由 Prefect（GitHub 组织 PrefectHQ）维护、FastMCP 1.0 的高层 Python API 于 2024 年被并入官方 MCP Python SDK 而独立项目继续维护、当前升级指南覆盖“从 FastMCP 3 升级”和“从 FastMCP 2 升级”（即主线已到第 4 代）、安装命令 uv add fastmcp，以及服务器/客户端/应用三条能力线和 TypeScript 版本 @prefecthq/fastmcp-ts。官方文档站与仓库 README 均未标注最低 Python 版本，故未记录；文档站声明内容对应 main 分支，部分特性可能尚未进入稳定版。首页自述的下载量和市占率为项目自述，未作为事实采用。

FastMCP 官方文档站与 GitHub 仓库 PrefectHQ/fastmcp