Debugging Wizard
Debugging Wizard is an agent skill (a SKILL.md file) from Jeffallan/claude-skills. Parses error messages, traces execution flow through stack traces, correlates log entries to identify failure points, and applies systematic hypothesis-driven methodology to isolate and resolve bugs. It works with Claude Code and has 11,754 GitHub stars across a repository of 5 listed skills.
github.com/Jeffallan/claude-skills/skills/debugging-wizard (opens in a new tab)
- Multi-skill repo
- Plugin marketplace
- Testing & QA
- Actively maintained
Add this skill
Claude
This repository is a Claude Code plugin marketplace. In Claude Code:
/plugin marketplace add Jeffallan/claude-skills
/plugin install fullstack-dev-skills@fullstack-dev-skillsIn the Claude apps, zip the debugging-wizard folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/Jeffallan/claude-skills.git
cp -r claude-skills/skills/debugging-wizard .agents/skills/debugging-wizard # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/Jeffallan/claude-skills.git
cp -r claude-skills/skills/debugging-wizard .cursor/skills/debugging-wizard # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
Parses error messages, traces execution flow through stack traces, correlates log entries to identify failure points, and applies systematic hypothesis-driven methodology to isolate and resolve bugs. Use when investigating errors, analyzing stack traces, finding root causes of unexpected behavior, troubleshooting crashes, or performing log analysis, error investigation, or root cause analysis. Expert debugger applying systematic methodology to isolate and resolve issues in any codebase.
When it triggers
- Use when investigating errors, analyzing stack traces, finding root causes of unexpected behavior, troubleshooting crashes, or performing log analysis, error investigation, or root cause analysis.
More skills in Jeffallan/claude-skills
5 skills are listed from this repository.
Similar skills
More testing & qa skills
Systematic Debugging
obra/superpowers
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.
Testing & QAShellTest Driven Development
obra/superpowers
Use when implementing any feature or bugfix, before writing implementation code.
Testing & QAShellVerification Before Completion
obra/superpowers
Use when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and confirming output before making any success claims…
Testing & QAShellFinishing A Development Branch
obra/superpowers
Use when implementation is complete, all tests pass, and you need to decide how to integrate the work.
Testing & QAShellDiagnosing Superpowers
obra/superpowers
Use when a superpowers session went wrong and your human partner wants to know why — repeated work, ignored plans, stumbles, poor results, a skill that didn't fire, "it took too long", "why is it so…
Testing & QAShellTDD
mattpocock/skills
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
Testing & QAShell
What is the Debugging Wizard skill?
Debugging Wizard is an agent skill (a SKILL.md file) from Jeffallan/claude-skills. Parses error messages, traces execution flow through stack traces, correlates log entries to identify failure points, and applies systematic hypothesis-driven methodology to isolate and resolve bugs. It works with Claude Code and has 11,754 GitHub stars across a repository of 5 listed skills. Its SKILL.md lives at github.com/Jeffallan/claude-skills/skills/debugging-wizard.
How do I install the Debugging Wizard skill?
In Claude Code, run /plugin marketplace add Jeffallan/claude-skills and then /plugin install fullstack-dev-skills@fullstack-dev-skills. For Codex or Cursor, copy the debugging-wizard folder into .agents/skills/ or .cursor/skills/.
Is the Debugging Wizard skill free?
Yes. The repository is open source under the MIT license.
Is Debugging Wizard maintained?
The repository's most recent commit was on Oct 3, 2026. Its latest release is v0.4.18. appsgit only lists skills from repositories with a commit in the last six months.