v4.18.0 v4.17.1

Name: fastmcp
Author: punkpeye

punkpeye/fastmcpSep 1, 2026 → Aug 31, 20260 days between releases

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Analyzing what changed between v4.18.0 and v4.17.1. This page updates automatically — usually within a minute.

The Two Releases

v4.18.0

Sep 1, 2026· 2 months ago

This release introduces a new `fromOpenAPI()` converter designed to work with OpenAPI 3.x specifications, allowing users to easily import REST API schemas. It also includes a real-world benchmark suite to validate the performance and accuracy of the new converter.

Full release notes

v4.17.1

Aug 31, 2026· 2 months ago

This release addresses a security requirement in the OAuth implementation by mandating S256 PKCE for CIMD clients. It resolves issue #348 to ensure better security compliance.

Full release notes