Full QA on all session changes using Codex as a second pair of eyes. Use when user says "QA", "full QA", "QA my changes", "QA all your changes", or "use codex to review". Runs git diff, sends changes to Codex for thorough review, and synthesizes findings.
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
# QA — Codex-Powered Change Review
Thorough QA on all changes in the current working tree using Codex as a second pair of eyes. Detects what changed, sends it to Codex for deep review, and presents actionable findings.
## When to Use
- After completing implementation work, before committing
- User says "QA", "full QA", "QA my changes", "review with codex"
- Any time you want a second opinion on everything you just built
## Process
### Step 1: Gather All Changes
```bash
# Get the full picture
git status --porcelain
git diff --stat
git diff --cached --stat
# Capture the actual diff (staged + unstaged)
git diff HEAD > /tmp/qa-full-diff.patch
```
If changes span many files, also get a summary:
```bash
git diff HEAD --name-only
```
### Step 2: Build Context
Before sending to Codex, gather context about what was being built:
- What task/feature was being implemented?
- What files were touched and why?
- Any known areas of concern?
Summarize this in 2-3 sentences to give Codex context.
### Step 3: Codex Review (diff-based)
Run Codex with the full diff and context. Use `-C` to point at the repo so Codex can read surrounding code.
```bash
…
The line at the top of this page pins the label git:20260303.302b93b, 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.
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 (8671 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
szoloth/skill-pack · 14 stars · license MIT · pushed 2026-09-09 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_pnjnptuemz7w4n45
GET https://markdownregistry.com/api/v1/resolve?ref=szoloth/skill-pack/qa
GET https://markdownregistry.com/api/v1/blob/8fffd2297f640311940be61d51629b18f08e99a1bf4471cb3aacb3ff940beb46
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.
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