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cykedevcykedev/vereinsheim/.claude/skills/debug/SKILL.md

debug

Skill1 starsChanged 13 days agoApache-2.0View on GitHub

Root-cause a bug, test failure, or unexpected behavior before proposing a fix. Use whenever something is broken — instead of guessing at patches.

191 other projects use a version of this.

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Used with

Projects with it also use add-discord, add-slack and 10 more.

Other files people use alongside this one.

Files found in the same public projects as a version of this one, more often than they turn up anywhere else. Each project counts once, large collections count for less, and this file's own repository is left out.
  • MicrosoftSkill

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    Add Slack channel integration via Chat SDK.

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  • +10 more from microsoft

The file

We split this skill into the rules it gives an agent

3 rules. 0 are common, 3 are distinctive, and 0 are very specific to this project.

  • 0

    Common

    Most of the 175 edited versions we read keep these.

  • 3

    Distinctive

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Root cause: Read the error / stack trace fully (line, file, code).

    line 9
  2. Distinctive:

    Check recent changes (git diff, recent commits).

    line 10
  3. Distinctive:

    Fix: Write a failing test that reproduces the bug first (TDD), then fix the root cause only — no "while I'm here" changes.

    line 17

“Common” is measured: kept by at least 6 in 10 of the 175 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Systematic debugging. No fix without a root cause first — symptom patches waste time and add bugs. Work the phases in order; don't jump to a fix.

  1. Root cause. Read the error / stack trace fully (line, file, code). Reproduce reliably. Check recent changes (git diff, recent commits). For a multi-layer path, add diagnostic logging at each boundary and run once to see where it breaks. Use the codegraph MCP (codegraph_explore / callers / references) to trace the bad value back to its source.
  2. Pattern. Find a working example of the same thing in the repo; list every difference between working and broken. Don't assume "that can't matter".
  3. Hypothesis. State one specific cause ("X because Y"). Test it with the smallest possible change, one variable at a time. Wrong? Form a new hypothesis — don't stack fixes.
  4. Fix. Write a failing test that reproduces the bug first (TDD), then fix the root cause only — no "while I'm here" changes. Verify the test passes and nothing else broke.

If 3+ fixes have failed, stop fixing and question the architecture/assumptions with the user — that pattern means the design is wrong, not the latest hypothesis.

Hand the verified fix to /implement conventions (one focused commit, test included) and /validate (gates green + behavior confirmed). Never claim fixed without fresh evidence.

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