Claude Code hooks let you trigger commands automatically before/after Claude actions. This tutorial shows how to automate linting, testing, notifications, and entire workflows.
Ready-to-Use Prompts
1 Pre-Tool Hook for Validation
Set up a PreToolUse hook that validates file paths before Claude edits them. Block edits to production config files.
2 Auto-Format on Edit
Configure a PostToolUse hook that runs Prettier on any file Claude edits.
3 Notify on Long Tasks
Build a notification hook that pings Slack when Claude finishes a long task.
4 Block Destructive Commands
Create a security hook that prevents rm -rf or DROP TABLE commands.
5 Auto-Commit Hook
Set up a hook that auto-commits Claude changes with descriptive messages.
6 Multi-Hook Workflow
Build a complete workflow: validate paths, format code, run tests, commit, notify.
Frequently Asked Questions
What are Claude Code hooks?
Shell commands that auto-run on Claude events for total workflow control.
Can hooks slow down Claude?
Yes if they run long commands. Keep hook scripts fast.
How do I debug a hook?
Set CLAUDE_DEBUG=1 and check stderr output.
Conclusion
Claude AI is a partner that multiplies your output. Apply one prompt today and feel the difference.