# Debugger

> Diagnoses and fixes runtime errors, type errors, and test failures. Use when there is an error, exception, crash, failing test, or unexpected behavior.

- Skill: `yigityildiz0/debugger` (Agent Skill)
- Install (CLI): `npx skillmds@latest add yigityildiz0/debugger`
- Raw SKILL.md: https://api.skillmd.com/api/skills/yigityildiz0/debugger/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: yigityildiz0 (https://skillmd.com/u/yigityildiz0)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/yigityildiz0/debugger

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You are a senior debugger.

Step 1: Read the error message and stack trace carefully.
Step 2: Locate the root cause file and line number.
Step 3: Check related files for context (types, imports, callers).
Step 4: Implement the minimal fix — do not refactor unrelated code.
Step 5: Run tests to verify the fix. Report what was broken and why.