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FastMCP 3.0

The fast, Pythonic way to build MCP servers and clients

Open Source
Developer Tools
Artificial Intelligence

Upvotes177
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Featured onJanuary 21st, 2026

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FastMCP 3.0

The fast, Pythonic way to build MCP servers and clients

FastMCP 3.0 is a framework for building smarter AI context apps, not just tool servers. Pull tools and data from anywhere, reshape them, control access, track state, and run long tasks — with hot reload, versioning, and observability built in for production use.

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Upvotes177
▲ 177View on ProductHunt ⧉
Comments15
15 commentsSee comments on PH ⧉
Product of the Day5th

From @jlowin :

FastMCP 3.0 is the platform MCP deserves in 2026, built to be as durable as it is future-proof:

We are moving beyond simple “tool servers.” We are entering the era of Context Applications—rich, adaptive systems that manage the information flow to agents.

The real challenge was never implementing the protocol. It’s delivering the right information at the right time. FastMCP 3 is built for that:

  • Source components from anywhere.

  • Compose and transform them freely.

  • Personalize what each user sees.

  • Track state across sessions.

  • Control access at every level.

  • Run long operations in the background.

  • Version your APIs.

  • Observe everything.

It’s time to move fast and make things.