12. Hooks

Course: Claude Code 101

Notes

• Hooks are shell scripts that run outside the Claude Code agent loop
• They execute deterministically in response to events (e.g. before/after a tool call, on session start)
• Common uses: linting, auto-formatting, logging, running tests after code edits
• Configured in your Claude Code settings file
• Unlike agents and skills, hooks cannot be interrupted — they always run