Claude Code Hooks — Meta Reference

This skill provides the definitive reference for creating Claude Code hooks. Use this when building automation that triggers on Claude Code events.

When to Use This Skill

• Building event-driven automation for Claude Code
• Creating PreToolUse guards to block dangerous commands
• Implementing PostToolUse formatters, linters, or auditors
• Adding Stop hooks for testing or notifications
• Setting up SessionStart/SessionEnd for environment management
• Integrating Claude Code with CI/CD pipelines (headless mode)

Quick Reference