review-gate-diff-verification SKILL.md skillA

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

review-gate-diff-verification from arasz/ai-badger is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add arasz/ai-badger/review-gate-diff-verification@v1.0.0

Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
arasz/ai-badger
Path
.ai-badger/skills/review-gate-diff-verification/SKILL.md
Versions recorded
1
Latest version
v1.0.0, committed Sep 11, 2026
Size
5,669 bytes
Repository stars
3
License
MIT

Use when a review gate judges a branch diff: verify the diff base FIRST — merge-base vs moved origin/main ref (phantom D/M files), grep anchors after the status tab, exclude bin/obj from symbol greps, and diff the committed plan against the accepted amended version before judging implementation.

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

# Review-gate diff verification

Gate reviews (code-reviewer, phase-3, plan-vs-implementation) judge a branch diff. Before judging content, verify the diff itself is real — the plumbing lies more often than the code.

## Pitfall 1 — base drift → phantom changes (the big one)

**Symptom:** `git diff origin/main..HEAD` shows `D`/`M` on files that NO commit in `git log origin/main..HEAD --stat` touches.

**Cause:** the base ref moved past the declared fork point. Main gained commits after the branch was created (e.g. PRs merged post-fork); the worktree's `origin/main` ref now points past the declared base. Files ADDED on main after the fork appear as phantom `D` in the worktree diff; state-file entries appear as phantom `M`. The branch itself made no such change.

**Diagnosis sequence (in order):**
1. `git merge-base origin/main HEAD` — the true fork point.
2. `git rev-parse origin/main` vs `git rev-parse <first-commit>^` — if they differ, the base ref drifted.
3. `git ls-tree origin/main -- <path>` vs `git ls-tree HEAD -- <path>` — which side actually holds the file.
4. Confirm: `git diff <true-base>..HEAD --name-status` — clean means the "deletions" were main-side additions.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add arasz/ai-badger/review-gate-diff-verification@sha256:781ab10ecf7bc7ea

The line at the top of this page pins the label v1.0.0, 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_z2riyjvvk743dgra.svg)](https://markdownregistry.com/a/art_z2riyjvvk743dgra)

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

Versions

The registry has recorded 1 version of this file, committed on Sep 11, 2026.

versioncommittedcommitsizeaudit
v1.0.0 latest2026-09-11 c8da0f0 5,669 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 (5669 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

arasz/ai-badger · 3 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_z2riyjvvk743dgra
GET https://markdownregistry.com/api/v1/resolve?ref=arasz/ai-badger/review-gate-diff-verification
GET https://markdownregistry.com/api/v1/blob/781ab10ecf7bc7eaac07ecd5220164809010f1f4c9fbdcbe349d5008094a3956

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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Every file in arasz/ai-badger

Other files named review-gate-diff-verification

review-gate-diff-verification SKILL.md skill
arasz/ai-badger · features/common/skills/review-gate-diff-verification/SKILL.md · Use when a review gate judges a branch diff: verify the diff base FIRST — merge-base vs moved origin/main ref (phantom…
v1.0.0 · audit A · 3 stars

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