Use when deciding whether source and live reproduction evidence establish a new regression or an exclusion.
Install
npx skills add trailofbits/skills --skill adjudicate-regressionnpx skills add trailofbits/skills --skill adjudicate-regression -a claude-code -gnpx skills add trailofbits/skills --skill adjudicate-regression -a codex -ggemini skills install https://github.com/trailofbits/skills.git --path plugins/regression-hunt/skills/adjudicate-regressiongh skill install trailofbits/skills adjudicate-regressiongit 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/adjudicate-regression ~/.claude/skills/adjudicate-regression # Claude Code
cp -R /tmp/trailofbits__skills/plugins/regression-hunt/skills/adjudicate-regression ~/.agents/skills/adjudicate-regression # Codex, Cursor, Gemini CLI, Copilot, OpenCode