FastMCP

v4.7.0 Feature

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

Published 10d MCP Developer Tools

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

mcp sse

Summary

AI summary

Tool results can now include MCP metadata.

Type	Severity	Summary	CVE
Feature	Medium	Adds ability for tool results to carry MCP metadata. Adds ability for tool results to carry MCP metadata. Source: llm_adapter@2026-07-16 Confidence: high	—

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About FastMCP

A high-level framework for building MCP servers in TypeScript