Use when creating Claude Code hooks - covers hook patterns, composition, testing, progressive enhancement from simple to advanced
Install
npx skills add withzombies/hyperpowers --skill building-hooksnpx skills add withzombies/hyperpowers --skill building-hooks -a claude-code -gnpx skills add withzombies/hyperpowers --skill building-hooks -a codex -ggemini skills install https://github.com/withzombies/hyperpowers.git --path skills/building-hooksgh skill install withzombies/hyperpowers building-hooksgit clone --depth 1 https://github.com/withzombies/hyperpowers /tmp/withzombies__hyperpowers
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/withzombies__hyperpowers/skills/building-hooks ~/.claude/skills/building-hooks # Claude Code
cp -R /tmp/withzombies__hyperpowers/skills/building-hooks ~/.agents/skills/building-hooks # Codex, Cursor, Gemini CLI, Copilot, OpenCode