Investigate root causes + manage CAPAs for compliance deviations. Method selection (5-Why, fishbone, fault tree), structured RCA, corrective vs preventive action design, effectiveness verification, trend analysis. Use when audit finding needs CAPA, deviation in validated sys, regulatory observation, data integrity anomaly, recurring issues suggest systemic root.
Install
npx skills add pjt222/agent-almanac --skill investigate-capa-root-causenpx skills add pjt222/agent-almanac --skill investigate-capa-root-cause -a claude-code -gnpx skills add pjt222/agent-almanac --skill investigate-capa-root-cause -a codex -ggemini skills install https://github.com/pjt222/agent-almanac.git --path i18n/caveman-ultra/skills/investigate-capa-root-causegh skill install pjt222/agent-almanac investigate-capa-root-causegit clone --depth 1 https://github.com/pjt222/agent-almanac /tmp/pjt222__agent-almanac
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/pjt222__agent-almanac/i18n/caveman-ultra/skills/investigate-capa-root-cause ~/.claude/skills/investigate-capa-root-cause # Claude Code
cp -R /tmp/pjt222__agent-almanac/i18n/caveman-ultra/skills/investigate-capa-root-cause ~/.agents/skills/investigate-capa-root-cause # Codex, Cursor, Gemini CLI, Copilot, OpenCode