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Domainay

FastMCP 3.0

FastMCP 3.0

The fast, Pythonic way to build MCP servers and clients

App Screenshot 1

About The Product

FastMCP 3.0 is a framework for building smarter AI context apps, not just tool servers. It enables pulling tools and data from anywhere, reshaping them, controlling access, tracking state, and running long tasks. With hot reload, versioning, and observability built in for production use, it offers the fast, Pythonic way to build MCP servers and clients, addressing the need for efficient and production-ready AI context application development.

Target Users

Python developers building AI context apps needing fast MCP servers/clients with production tools

Pain Points

Need efficient, Pythonic MCP solutions with tool/data integration, state control, and production features.

Key Features

  • FastMCP 3.0 is a Pythonic framework for building smarter AI context apps with tool/data integration, access control, state tracking, and long task execution.
  • Built-in hot reload, versioning, and observability features support production use.
  • Enables pulling tools and data from anywhere and reshaping them for AI context applications.
  • Categorized as open-source developer tools focused on AI, facilitating server/client construction.

Launch Date

January 24, 2026