Debugging & Code Review

Find bugs, review PRs, and reason through stack traces.

Bug Root-Cause Finder

Walks through a bug systematically instead of guessing at a fix.

I'm debugging an issue in {{language}}: {{bug_description}}. Here's the relevant code: {{code}} Walk through likely root causes in order of probability, not just the first guess. For the most likely one, explain how to confirm it, then give the fix.

PR Review Pass

Reviews a diff for correctness, edge cases, and readability.

Review this {{language}} diff as if you were leaving PR comments. Check for: correctness, missed edge cases, naming, and anything that will confuse the next person who reads it. Skip nitpicks about formatting a linter would catch. Diff: {{code}}

Stack Trace Explainer

Translates a stack trace into plain language and a likely cause.

Explain this stack trace in plain language. what actually failed, and why, before jumping to a fix. Then suggest the most likely cause and one way to verify it. ``` {{stack_trace}} ```