fix: Pin FastMCP to 2.12.3 to fix MCP tools visibility #464
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FastMCP 2.14.x breaks MCP tools visibility in Claude Desktop. Users report tools not appearing despite being registered correctly server-side. Pinning to 2.12.3 which is confirmed working. Fixes #463 🤖 Generated with [Claude Code](https://claude.ai/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: Drew Cain <groksrc@gmail.com>
phernandez
approved these changes
Dec 20, 2025
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Summary
Problem
Users reported MCP tools not appearing in Claude Desktop despite being registered correctly server-side. Investigation revealed:
>=2.10.2)User Report
Discord conversation confirming the fix: https://discord.com/channels/1368009106061000777/1381294195553341531/1451703784165343426
Changes
pyproject.toml: Changefastmcp>=2.10.2tofastmcp==2.12.3uv.lock: Updated to reflect pinned versionTest plan
Fixes #463
🤖 Generated with Claude Code