Mutineer mutates your source one change at a time and runs your Minitest or RSpec suite against each mutant to find tests that don't actually test anything. Prism-based, fork-isolated, zero runtime dependencies.

Required Ruby Version

>= 3.4

Authors

David Teren, Justin Allen Marsh

Versions

  1. 2.0.0

    1. source

      1. 2.0.0 source October 16, 2026 (180 KB)

Pushed by

GitHub

SHA 256 checksum