4 mistakes I made building a Claude Code security hook (and how to avoid them)

Claude Code can run a command of yours before every tool call: a PreToolUse hook. It’s a great place for guardrails, but it’s easy to get subtly wrong. I built one that blocks secrets, and these are the lessons. (Check the current Claude Code hooks docs for exact field names, since they can change.) How a hook works, in 30 seconds Claude Code... Weiterlesen: 4 mistakes I made building a Claude Code security hook (and how to av…