Use before running any confirmatory analysis or looking at outcome data, when testing a hypothesis, computing a p-value, or about to claim an effect - locks predictions and decision rules before results are seen
Install
npx skills add K-Dense-AI/science-superpowers --skill preregistering-analysisnpx skills add K-Dense-AI/science-superpowers --skill preregistering-analysis -a claude-code -gnpx skills add K-Dense-AI/science-superpowers --skill preregistering-analysis -a codex -ggemini skills install https://github.com/K-Dense-AI/science-superpowers.git --path skills/preregistering-analysisgh skill install K-Dense-AI/science-superpowers preregistering-analysisgit clone --depth 1 https://github.com/K-Dense-AI/science-superpowers /tmp/K-Dense-AI__science-superpowers
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/K-Dense-AI__science-superpowers/skills/preregistering-analysis ~/.claude/skills/preregistering-analysis # Claude Code
cp -R /tmp/K-Dense-AI__science-superpowers/skills/preregistering-analysis ~/.agents/skills/preregistering-analysis # Codex, Cursor, Gemini CLI, Copilot, OpenCode