Finds and applies genuinely similar historical situations to inform a current decision — distinguishing true precedents from superficial analogies. TRIGGERS: 'historical precedent', 'has this happened before', 'what does history say', 'find a precedent', 'what did others do in this situation'.
Install
npx skills add human-avatar/skills-for-humanity --skill s4h-historical-precedent-analysisnpx skills add human-avatar/skills-for-humanity --skill s4h-historical-precedent-analysis -a claude-code -gnpx skills add human-avatar/skills-for-humanity --skill s4h-historical-precedent-analysis -a codex -ggemini skills install https://github.com/human-avatar/skills-for-humanity.git --path skills/s4h-historical-precedent-analysisgh skill install human-avatar/skills-for-humanity s4h-historical-precedent-analysisgit clone --depth 1 https://github.com/human-avatar/skills-for-humanity /tmp/human-avatar__skills-for-humanity
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/human-avatar__skills-for-humanity/skills/s4h-historical-precedent-analysis ~/.claude/skills/s4h-historical-precedent-analysis # Claude Code
cp -R /tmp/human-avatar__skills-for-humanity/skills/s4h-historical-precedent-analysis ~/.agents/skills/s4h-historical-precedent-analysis # Codex, Cursor, Gemini CLI, Copilot, OpenCode