Imagines the decision has been made and failed — then diagnoses why. Breaks the commitment bias that prevents honest risk assessment after a direction is chosen. Triggers: 'pre-mortem', 'imagine this failed', 'what could go wrong', 'assume this doesn't work', 'failure mode analysis'.
Install
npx skills add human-avatar/skills-for-humanity --skill s4h-decision-premortem-analysisnpx skills add human-avatar/skills-for-humanity --skill s4h-decision-premortem-analysis -a claude-code -gnpx skills add human-avatar/skills-for-humanity --skill s4h-decision-premortem-analysis -a codex -ggemini skills install https://github.com/human-avatar/skills-for-humanity.git --path skills/s4h-decision-premortem-analysisgh skill install human-avatar/skills-for-humanity s4h-decision-premortem-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-decision-premortem-analysis ~/.claude/skills/s4h-decision-premortem-analysis # Claude Code
cp -R /tmp/human-avatar__skills-for-humanity/skills/s4h-decision-premortem-analysis ~/.agents/skills/s4h-decision-premortem-analysis # Codex, Cursor, Gemini CLI, Copilot, OpenCode