code-review SKILL.md skillA

code-review from open-octo/octo-agent is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add open-octo/octo-agent/code-review@git:20260920.c947ee9

Pins git:20260920.c947ee9 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
open-octo/octo-agent
Path
internal/skills/defaults/code-review/SKILL.md
Versions recorded
4
Latest version
git:20260920.c947ee9, committed Sep 20, 2026
First version recorded
Jun 10, 2026
Size
3,811 bytes
Repository stars
140
License
MIT

Review local code changes. Uses an isolated sub-agent for unbiased analysis when the main agent wrote the code; reviews directly in fresh review-only sessions. Checks correctness, conventions, performance, tests, security, and tech design compliance. Use when the user wants a code review or says "review the diff" / "review my changes" / "代码评审" / "review 一下改动".

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 local code changes. Choose the reviewer based on where the implementation context lives:

- **You implemented the changes in this session** (or took part in the design/implementation conversation): dispatch an **isolated sub-agent** — a fresh agent with no knowledge of this session's implementation decisions. This eliminates the bias of reviewing your own work.
- **Fresh session, review-only request** (the user opened this session just to have you review a diff/PR you had no part in): you already ARE the unbiased fresh pair of eyes — review the code **yourself**, following the same template in [code-reviewer.md](code-reviewer.md). Spawning a sub-agent here only adds latency and a context hand-off with zero isolation benefit. Skip step 2 and produce the review report directly.

## Process

### 1. Gather context for the review

Collect everything the reviewer needs:

```bash
# What changed
git log --oneline main..HEAD
git diff main...HEAD
git diff
git diff --cached
```

Also identify:
- Tech design doc path (if one exists in conversation context or commit messages)
- Which services/modules are touched
- Test files added or modified
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add open-octo/octo-agent/code-review@sha256:e4e8b44ac78990dd

The line at the top of this page pins the label git:20260920.c947ee9, 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_kt56a45a44lhzbez.svg)](https://markdownregistry.com/a/art_kt56a45a44lhzbez)

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

Versions

The registry has recorded 4 versions of this file, between Jun 10, 2026 and Sep 20, 2026, about one every 34 days.

versioncommittedcommitsizeaudit
git:20260920.c947ee9 latest2026-09-20 c947ee9 3,811 BA view · diff
git:20260917.878433c2026-09-17 878433c 3,852 BA view · diff
git:20260713.767337f2026-07-13 767337f 2,986 BA view · diff
git:20260610.c133a862026-06-10 c133a86 2,543 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 (3811 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

open-octo/octo-agent · 140 stars · license MIT · pushed 2026-11-02 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_kt56a45a44lhzbez
GET https://markdownregistry.com/api/v1/resolve?ref=open-octo/octo-agent/code-review
GET https://markdownregistry.com/api/v1/blob/e4e8b44ac78990ddaf280d089ef1e294430604180dad950378ca47ef39f66d21

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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