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 ## Tools
 
+- [Cross-Examine](https://github.com/stefbuilds/cross-examine) - Finds behavioral regressions in AI-generated Python pull requests with base/head execution and exact-command receipts.
 - [CrossHair](https://github.com/pschanely/CrossHair) - An analysis tool for Python that blurs the line between testing and type systems.
 - [ghostwriter](https://hypothesis.readthedocs.io/en/latest/ghostwriter.html) - Writing tests with Hypothesis frees you from the tedium of deciding on and writing out specific inputs to test.
 - [greenproof](https://github.com/zxyasfas/greenproof) - Checks whether a coding agent's green pytest run was earned, not manufactured by editing the tests. Snapshots the original tests, then reruns the agent's current code against them to see if it still passes.