v4.20.10

Name: fastmcp
Author: punkpeye

punkpeye/fastmcpv4.20.10Sep 11, 2026by github-actions[bot]

Upgrading?

What changed from v0.6.0 → v4.20.10?What's new in v4.20.11 after v4.20.10?

AI Summary

This release addresses a bug where tool capabilities were incorrectly hidden and enables the documented ping default for HTTP streaming connections.

Key Highlights

Fixed a bug where tools capability was kept when canAccess hides every tool
Enabled the documented ping default for httpStream
Resolved issue #371 regarding tools capability
Resolved issue #369 regarding ping functionality

Full Release Notes

## [4.20.10](https://github.com/punkpeye/fastmcp/compare/v4.20.9...v4.20.10) (2026-09-11)


### Bug Fixes

* keep the tools capability when canAccess hides every tool ([#371](https://github.com/punkpeye/fastmcp/issues/371)) ([0347f1a](https://github.com/punkpeye/fastmcp/commit/0347f1a4967dc285ac83d40d757eea8d64b690b9))
* **ping:** enable the documented ping default for httpStream ([#369](https://github.com/punkpeye/fastmcp/issues/369)) ([074bdf4](https://github.com/punkpeye/fastmcp/commit/074bdf4457cb73b565606d170baa33987da8cde4))

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