Extracts recurring failure modes from similar past situations — most failures have happened before in recognisable patterns. TRIGGERS: 'what usually goes wrong', 'failure pattern analysis', 'how do these typically fail', 'what went wrong last time', 'avoid past mistakes'.
Install
npx skills add human-avatar/skills-for-humanity --skill s4h-historical-failure-analysisnpx skills add human-avatar/skills-for-humanity --skill s4h-historical-failure-analysis -a claude-code -gnpx skills add human-avatar/skills-for-humanity --skill s4h-historical-failure-analysis -a codex -ggemini skills install https://github.com/human-avatar/skills-for-humanity.git --path skills/s4h-historical-failure-analysisgh skill install human-avatar/skills-for-humanity s4h-historical-failure-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-failure-analysis ~/.claude/skills/s4h-historical-failure-analysis # Claude Code
cp -R /tmp/human-avatar__skills-for-humanity/skills/s4h-historical-failure-analysis ~/.agents/skills/s4h-historical-failure-analysis # Codex, Cursor, Gemini CLI, Copilot, OpenCode