v4.14.0

Automattic/harperv4.14.0Aug 9, 2026by github-actions[bot]

AI Summary

This version introduces an optional feature to maintain stream keepalive during long-running tool calls.

Key Highlights

Added opt-in `streamKeepalive` feature for long tool calls.

New Features

Server: Opt-in streamKeepalive for long tool calls.

Full Release Notes

# [4.14.0](https://github.com/punkpeye/fastmcp/compare/v4.13.1...v4.14.0) (2026-08-09)


### Features

* **server:** add opt-in streamKeepalive for long tool calls ([#317](https://github.com/punkpeye/fastmcp/issues/317)) ([1ebdade](https://github.com/punkpeye/fastmcp/commit/1ebdade0fbdc8dadc8f986c009cbc0062ed03a84))