Claude Code debugging: how to make AI find bugs you've been chasing for hours

Claude Code debugging: how to make AI find bugs you've been chasing for hours You've been staring at the same bug for 3 hours. Stack traces that go nowhere. Console logs that lie. The fix that works locally but breaks in production. Claude Code changes this. Here's exactly how to get it to find bugs fast. The naive approach (doesn't work well) > fix the bug in my app Too vague. Claude will read every file in your project and hallucinate a fix. The surgical approach Give Claude the error, the stack trace, and the suspected file: claude "I have a bug: TypeError: Cannot read properties of undefined (reading 'map'). \ Stack trace: at UserList.render (src/components/UserList.jsx:23). \ Here's what I know: the data loads correctly on first render but breaks on refresh. \ Check src/components/UserList.jsx and src/hooks/useUsers.js" This tells Claude: The exact error message Where it happens What you already know Which files to focus on Pattern 1: The hypothesis test When you have a theory,