Debug
Debug is an agent skill (a SKILL.md file) from suboss87/FDEOps. Investigate a failure, regression or incorrect result in an integration or application, even before it can be reproduced. It works with Claude Code, Codex and Cursor and has 953 GitHub stars.
github.com/suboss87/FDEOps/skills/debug (opens in a new tab)
- Plugin marketplace
- Testing & QA
- Actively maintained
Add this skill
Claude
This repository is a Claude Code plugin marketplace. In Claude Code:
/plugin marketplace add suboss87/FDEOps
/plugin install fdeops@fdeopsIn the Claude apps, zip the debug 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/suboss87/FDEOps.git
cp -r FDEOps/skills/debug .agents/skills/debug # 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/suboss87/FDEOps.git
cp -r FDEOps/skills/debug .cursor/skills/debug # 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
Investigate a failure, regression or incorrect result in an integration or application, even before it can be reproduced. Use for diagnosis and repair; follow incident authority for live mitigation. Before investigating or acting: 1. Read the task context contract. 2. Read the method.
When it triggers
- Use for diagnosis and repair; follow incident authority for live mitigation.
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
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Use when implementing any feature or bugfix, before writing implementation code.
Testing & QAShellVerification Before Completion
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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…
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Use when implementation is complete, all tests pass, and you need to decide how to integrate the work.
Testing & QAShellDiagnosing Superpowers
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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 Debug skill?
Debug is an agent skill (a SKILL.md file) from suboss87/FDEOps. Investigate a failure, regression or incorrect result in an integration or application, even before it can be reproduced. It works with Claude Code, Codex and Cursor and has 953 GitHub stars. Its SKILL.md lives at github.com/suboss87/FDEOps/skills/debug.
How do I install the Debug skill?
In Claude Code, run /plugin marketplace add suboss87/FDEOps and then /plugin install fdeops@fdeops. For Codex or Cursor, copy the debug folder into .agents/skills/ or .cursor/skills/.
Is the Debug skill free?
Yes. The repository is open source under the MIT license.
Is Debug maintained?
The repository's most recent commit was on Oct 6, 2026. Its latest release is v5.1.21. appsgit only lists skills from repositories with a commit in the last six months.