debugging SKILL.md skillA

debugging from romiluz13/cc10x is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add romiluz13/cc10x/debugging@git:20261007.84fdb74

Pins git:20261007.84fdb74 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
romiluz13/cc10x
Path
plugins/cc10x/skills/debugging/SKILL.md
Versions recorded
6
Latest version
git:20261007.84fdb74, committed Oct 7, 2026
First version recorded
Jul 19, 2026
Size
12,111 bytes
Repository stars
166
License
MIT

Use when diagnosing a defect or regression: feedback loop FIRST, root cause before fix, blast radius after fix. Covers the 10-rung construction ladder, LSP-powered tracing, hypothesis quality criteria, and four-phase investigation.

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

# Debugging

**Feedback Loop FIRST:** No hypothesis without a repro loop. No fix without root cause. No fix without blast radius scan.

## Reference Files

- `references/investigation-hygiene.md` — investigation discipline, evidence handling
- `references/root-cause-playbooks.md` — scenario-specific debugging playbooks

## Feedback Loop FIRST (Before Any Hypothesis)

A hypothesis without a repro loop is a guess. Before H1, build a fast, deterministic, agent-runnable signal that turns red on the bug.

### Construction Ladder (try in rank order, stop at first that works — ordered by loop tightness: earlier rungs are faster and more deterministic)

1. Failing automated test (unit/integration) — best: lives at a seam, reusable as RED
2. `curl`/HTTP request with asserted response
3. CLI snapshot diff (run command, diff stdout/stderr/exit)
4. Headless browser script (real DOM/runtime crash)
5. Trace replay (recorded request/log/event re-run)
6. Throwaway harness (tiny script calling the suspect function)
7. Property/fuzz check (when failing input is unknown)
8. `git bisect run` (regression with existing test)
9. Differential old-vs-new (last-good vs HEAD behavior diff)
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add romiluz13/cc10x/debugging@sha256:05cc9c98ef486189

The line at the top of this page pins the label git:20261007.84fdb74, 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_viglbu5s4uivudga.svg)](https://markdownregistry.com/a/art_viglbu5s4uivudga)

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

Versions

The registry has recorded 6 versions of this file, between Jul 19, 2026 and Oct 7, 2026, about one every 16 days.

versioncommittedcommitsizeaudit
git:20261007.84fdb74 latest2026-10-07 84fdb74 12,111 BA view · diff
git:20260910.86c7f842026-09-10 86c7f84 12,117 BA view · diff
git:20260910.d2dcb372026-09-10 d2dcb37 11,701 BA view · diff
git:20260910.7f9ce722026-09-10 7f9ce72 11,676 BA view · diff
git:20260719.03668ce2026-07-19 03668ce 11,369 BA view · diff
git:20260719.ebb21972026-07-19 ebb2197 10,983 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 (12111 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

romiluz13/cc10x · 166 stars · license MIT · pushed 2026-10-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_viglbu5s4uivudga
GET https://markdownregistry.com/api/v1/resolve?ref=romiluz13/cc10x/debugging
GET https://markdownregistry.com/api/v1/blob/05cc9c98ef486189404881912ab5ce0e5030e1bc9d108357e5c992d983fc396b

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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