This skill should be used when the user asks to "create a hook", "add a PreToolUse/PostToolUse/Stop hook", "validate tool use", "implement prompt-based hooks", "use ${CLAUDE_PLUGIN_ROOT}", "set up event-driven automation", "block dangerous commands", or mentions hook events (PreToolUse, PostToolUse, Stop, SubagentStop, SessionStart, SessionEnd, UserPromptSubmit, PreCompact, Notification).
Install
npx skills add anthropics/claude-code --skill 'Hook Development'npx skills add anthropics/claude-code --skill 'Hook Development' -a claude-code -gnpx skills add anthropics/claude-code --skill 'Hook Development' -a codex -ggemini skills install https://github.com/anthropics/claude-code.git --path plugins/plugin-dev/skills/hook-developmentgh skill install anthropics/claude-code 'Hook Development'git clone --depth 1 https://github.com/anthropics/claude-code /tmp/anthropics__claude-code
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/anthropics__claude-code/plugins/plugin-dev/skills/hook-development ~/.claude/skills/'Hook Development' # Claude Code
cp -R /tmp/anthropics__claude-code/plugins/plugin-dev/skills/hook-development ~/.agents/skills/'Hook Development' # Codex, Cursor, Gemini CLI, Copilot, OpenCode