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Debug

anthropics/knowledge-work-pluginsOfficial

This is a structured debugging workflow that walks you through reproduce, isolate, diagnose, and fix steps instead of letting you flail around randomly. You trigger it with an error message, stack trace, or vague complaints like "this broke after the deploy" or "works in staging but not prod." It produces a formatted debug report with root cause analysis and prevention suggestions. If you have monitoring or source control connectors hooked up, it'll pull logs, recent commits, and deploy history to correlate with the issue. The four step framework is obvious in retrospect but genuinely helpful when you're staring at a cryptic 500 error at 2am and need to think systematically instead of cargo culting fixes from Stack Overflow.

installs
5.9K
GitHub stars
33.3K
last updated
Aug 21, 2026
View on GitHubSave

Install

$ npx -y skills add anthropics/knowledge-work-plugins --skill debug --agent claude-code

Installs into .claude/skills of the current project.

Files

/debug

If you see unfamiliar placeholders or need to check which tools are connected, see CONNECTORS.md.

Run a structured debugging session to find and fix issues systematically.

Usage

/debug $ARGUMENTS

How It Works

┌─────────────────────────────────────────────────────────────────┐
│                       DEBUG                                        │
├─────────────────────────────────────────────────────────────────┤
│  Step 1: REPRODUCE                                                │
│  ✓ Understand the expected vs. actual behavior                   │
│  ✓ Identify exact reproduction steps                             │
│  ✓ Determine scope (when did it start? who is affected?)        │
│                                                                    │
│  Step 2: ISOLATE                                                   │
│  ✓ Narrow down the component, service, or code path             │
│  ✓ Check recent changes (deploys, config changes, dependencies) │
│  ✓ Review logs and error messages                                │
│                                                                    │
│  Step 3: DIAGNOSE                                                  │
│  ✓ Form hypotheses and test them                                 │
│  ✓ Trace the code path                                           │
│  ✓ Identify root cause (not just symptoms)                      │
│                                                                    │
│  Step 4: FIX                                                       │
│  ✓ Propose a fix with explanation                                │
│  ✓ Consider side effects and edge cases                          │
│  ✓ Suggest tests to prevent regression                           │
└─────────────────────────────────────────────────────────────────┘

What I Need From You

Tell me about the problem. Any of these help:

  • Error message or stack trace
  • Steps to reproduce
  • What changed recently
  • Logs or screenshots
  • Expected vs. actual behavior

Output

## Debug Report: [Issue Summary]

### Reproduction
- **Expected**: [What should happen]
- **Actual**: [What happens instead]
- **Steps**: [How to reproduce]

### Root Cause
[Explanation of why the bug occurs]

### Fix
[Code changes or configuration fixes needed]

### Prevention
- [Test to add]
- [Guard to put in place]

If Connectors Available

If ~~monitoring is connected:

  • Pull logs, error rates, and metrics around the time of the issue
  • Show recent deploys and config changes that may correlate

If ~~source control is connected:

  • Identify recent commits and PRs that touched affected code paths
  • Check if the issue correlates with a specific change

If ~~project tracker is connected:

  • Search for related bug reports or known issues
  • Create a ticket for the fix once identified

Tips

  1. Share error messages exactly — Don't paraphrase. The exact text matters.
  2. Mention what changed — Recent deploys, dependency updates, and config changes are top suspects.
  3. Include context — "This works in staging but not prod" or "Only affects large payloads" narrows things fast.
SKILL.md on GitHub

Sponsors

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Details

Repository
github.com/anthropics/knowledge-work-plugins
Categories
DevOps & CI/CD, Release Management, Debugging
First seen
Apr 16, 2026

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