Use when discovering possible regressions from a pinned change and its callers before reproduction.
Install
npx skills add trailofbits/skills --skill hunt-regressionsnpx skills add trailofbits/skills --skill hunt-regressions -a claude-code -gnpx skills add trailofbits/skills --skill hunt-regressions -a codex -ggemini skills install https://github.com/trailofbits/skills.git --path plugins/regression-hunt/skills/hunt-regressionsgh skill install trailofbits/skills hunt-regressionsgit clone --depth 1 https://github.com/trailofbits/skills /tmp/trailofbits__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/trailofbits__skills/plugins/regression-hunt/skills/hunt-regressions ~/.claude/skills/hunt-regressions # Claude Code
cp -R /tmp/trailofbits__skills/plugins/regression-hunt/skills/hunt-regressions ~/.agents/skills/hunt-regressions # Codex, Cursor, Gemini CLI, Copilot, OpenCode