Build AI Code Guardrails: Claude Hooks in 5 Steps

Originally published at chudi.dev I ran a secret scanner on every project for months before I realized Claude Code was writing .env files with real credentials baked in. Not because it was malicious. Just because the context had a key, and it needed a value. The fix took five minutes once I knew hooks existed. Claude Code hooks let you run any shell command automatically when tool events fire. Before a file gets written, after a bash command runs, when Claude finishes a task. You get full...