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FastMCP

v4.11.0 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 1d MCP Developer Tools
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

mcp sse

Summary

AI summary

Expose progress message API and clarify streamContent documentation

Full changelog

4.11.0 (2026-07-25)

Features

  • expose progress message, document streamContent as non-spec — closes #198 (0687e3b)
View diff on GitHub

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About FastMCP

A high-level framework for building MCP servers in TypeScript

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Related context

Beta — feedback welcome: [email protected]