systematic-debugging SKILL.md skillA

This file is byte-identical to the first copy the registry indexed, one of 9 indexed copies. Same content hash, so the same checks give both the same grade.

systematic-debugging from julianromli/ai-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add julianromli/ai-skills/systematic-debugging@git:20260505.3e57ae0

Pins git:20260505.3e57ae0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
julianromli/ai-skills
Path
skills/systematic-debugging/SKILL.md
Versions recorded
1
Latest version
git:20260505.3e57ae0, committed May 5, 2026
Size
9,884 bytes
Repository stars
214
License
none declared

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Systematic Debugging

## Overview

Random fixes waste time and create new bugs. Quick patches mask underlying issues.

**Core principle:** ALWAYS find root cause before attempting fixes. Symptom fixes are failure.

**Violating the letter of this process is violating the spirit of debugging.**

## The Iron Law

```
NO FIXES WITHOUT ROOT CAUSE INVESTIGATION FIRST
```

If you haven't completed Phase 1, you cannot propose fixes.

## When to Use

Use for ANY technical issue:
- Test failures
- Bugs in production
- Unexpected behavior
- Performance problems
- Build failures
- Integration issues

**Use this ESPECIALLY when:**
- Under time pressure (emergencies make guessing tempting)
- "Just one quick fix" seems obvious
- You've already tried multiple fixes
- Previous fix didn't work
- You don't fully understand the issue

**Don't skip when:**
- Issue seems simple (simple bugs have root causes too)
- You're in a hurry (rushing guarantees rework)
- Manager wants it fixed NOW (systematic is faster than thrashing)

## The Four Phases

You MUST complete each phase before proceeding to the next.

### Phase 1: Root Cause Investigation

**BEFORE attempting ANY fix:**
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add julianromli/ai-skills/systematic-debugging@sha256:4999cb851360485e

The line at the top of this page pins the label git:20260505.3e57ae0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_zgybh3k5e6zbnolw.svg)](https://markdownregistry.com/a/art_zgybh3k5e6zbnolw)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on May 5, 2026.

versioncommittedcommitsizeaudit
git:20260505.3e57ae0 latest2026-05-05 3e57ae0 9,884 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (9884 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

julianromli/ai-skills · 214 stars · license none declared · pushed 2026-10-26 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_zgybh3k5e6zbnolw
GET https://markdownregistry.com/api/v1/resolve?ref=julianromli/ai-skills/systematic-debugging
GET https://markdownregistry.com/api/v1/blob/4999cb851360485eca5074e727bbdd62ef20549c5d5b01216fcbf5831badb473

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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