culprit is a command-line tool for root-cause analysis of pull requests and Git branches. It automatically classifies changes as features or bugfixes, identifies the commit that introduced a specific change (suspect set), and calculates the blast radius of modifications. Designed for engineering teams to speed up debugging and regression hunting in large codebases.
In the Developer Tools space, culprit takes a focused approach. It focuses on identifying the root cause of bugs or regressions by analyzing which commit introduced a change in a Git repository. It is built as an open-source project for software engineers. The project is open source (MIT). culprit is available on the command line.
culprit first shipped in 2026. Development happens publicly on GitHub with 76 commits in the last 90 days. Among its 3 catalogued features are change classification, suspect commit detection, and blast radius analysis.
Summary written by a language model from the project’s public pages.
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