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FastMCP

v3.34.0 Feature

This release adds 1 notable feature for engineering teams evaluating rollout.

Published 2mo 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

Added outputSchema support for structured tool responses

Full changelog

3.34.0 (2026-03-06)

Features

  • add outputSchema support for structured tool responses — closes #207 (#247) (334a8fc)
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]