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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 12,062 GitHub stars across a repository of 5 listed skills.

github.com/Jeffallan/claude-skills/skills/debugging-wizard (opens in a new tab)

Data as of from the GitHub API; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)

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-skills

In 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 projects

Standalone 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 projects

Source (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

All Testing & QA

FAQ

Debugging Wizard FAQ

Still curious? Email info@appsgit.com.

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 26, 2026. Its latest release is v0.4.20. appsgit only lists skills from repositories with a commit in the last six months.