GraphCanon updated Sep 20, 2026 · GitHub synced Sep 20, 2026
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Decision brief
fastmcp is a Python library for building MCP servers and clients, designed to facilitate the Model Context Protocol (MCP) in AI development.
Good fit when
- Use fastmcp when you need to build MCP servers and clients in Python, as it provides a streamlined and Pythonic approach to implementing the Model Context Protocol.
- Consider fastmcp if you are working on AI projects that require efficient communication between models and their context, as it is specifically tailored for this purpose.
Avoid when
- Avoid fastmcp if your project does not require the Model Context Protocol (MCP), as it is specialized for this protocol and may introduce unnecessary complexity.
- Do not use fastmcp if you are working in a language other than Python, as it is a Python-specific library and will not be compatible with other languages.
- Requirements:
- fastmcp can be added to your project using the uv package manager, but full installation instructions are available on the official documentation.
Observed Sep 18, 2026 · Source: enrich:decision_facts
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Maintenance and security
Full trust report- Maintenance
- Very active (0d since push)
- As of Sep 18, 2026
- Provenance
- Not a fork · Organization account
- As of Sep 18, 2026
- Security (OSV)
- 2 low (2 low)
- As of Sep 18, 2026
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Install
pip install fastmcpHow it fits your stack(9)
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Overview
PrefectHQ/fastmcp is a Python library for building MCP servers and clients, facilitating the Model Context Protocol (MCP) for AI development.
Capability facts
- Languages
- python
Source: github.language+pyproject.toml · Sep 18, 2026
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README
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 Upgrading from MCP SDK v1 or v...
For agents
This page has a .md twin and JSON over the API.