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Agent skill

Mcaf Code Review

by managedcode in managedcode/Storage

Prepare for, perform, or tighten code review workflow: PR scope, review checklist, reviewer expectations, and merge hygiene.

MITAuto-check passedDevelopment

Install Mcaf Code Review

skills CLI
$ npx skills add managedcode/Storage --skill mcaf-code-review -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install managedcode/Storage mcaf-code-review --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/managedcode/Storage.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/mcaf-code-review .claude/skills/mcaf-code-review && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
mcaf-code-review
GitHub stars
138
Token cost
~957 tokens
SKILL.md length
469 words
Files
6 (incl. references)
Skills in repo
41
Repo updated
First seen
Licence
MIT

At a glance

Prepare for, perform, or tighten code review workflow: PR scope, review checklist, reviewer expectations, and merge hygiene.

  • Works in 3 steps: Read the nearest AGENTS.md and confirm… → Run this skill's Workflow through the… → Return the Required Result Format with…
  • Shaping pull requests
  • SKILL.md covers Trigger On, Value, Do Not Use For and Inputs, plus 7 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Mcaf Code Review is an agent skill from managedcode/Storage. Prepare for, perform, or tighten code review workflow: PR scope, review checklist, reviewer expectations, and merge hygiene. Use when shaping pull requests, defining review policy, or auditing whether a change is review-ready.

Its SKILL.md is about 960 tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including reference files (for example `references/code-reviews.md`, `references/faq.md` and `references/inclusion-in-code-review.md`). Compatibility notes: Requires repository access; may update PR templates, review docs, or contribution guidance.

It sits in Development, covering Code review and Pull requests. The repository describes itself as: Storage library provides a universal interface for accessing and manipulating data in different cloud blob storage providers. The licence is MIT.

When your agent uses it

  • Shaping pull requests
  • Defining review policy
  • Auditing whether a change is review-ready

Example prompts

  • “/mcaf-code-review”

Requirements

  • Compatibility (from SKILL.md): Requires repository access; may update PR templates, review docs, or contribution guidance.

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Read the nearest AGENTS.md and confirm scope and constraints.
  2. Run this skill's Workflow through the Ralph Loop until outcomes are acceptable.
  3. Return the Required Result Format with concrete artifacts and verification evidence.

What it can do on your machine

Read from SKILL.md and the folder at commit 5d32121. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Requires repository access; may update PR templates, review docs, or contribution guidance.

    From compatibility in the SKILL.md frontmatter.

Context cost

Mcaf Code Review loads about 957 tokens when it runs, and up to ~3.7k if it reads all its reference files. Until then it costs about 61 tokens; SKILL.md has 469 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~61
When it runs · the whole SKILL.md, loaded when a task matches
~957
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.7k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from managedcode/Storage at commit 5d32121, republished under its MIT licence (© managedcode). 469 words, ~957 tokens.

Download SKILL.mdSave it as .claude/skills/mcaf-code-review/SKILL.md (or your agent's skills folder). This skill also uses 5 other files; get the full folder from GitHub.
name
mcaf-code-review
description
Prepare for, perform, or tighten code review workflow: PR scope, review checklist, reviewer expectations, and merge hygiene. Use when shaping pull requests, defining review policy, or auditing whether a change is review-ready.
compatibility
Requires repository access; may update PR templates, review docs, or contribution guidance.

MCAF: Code Review

Trigger On

  • shaping PR review policy
  • preparing a change for review
  • auditing whether a change is actually review-ready
  • tightening reviewer expectations or templates

Value

  • produce a concrete project delta: code, docs, config, tests, CI, or review artifact
  • reduce ambiguity through explicit planning, verification, and final validation skills
  • leave reusable project context so future tasks are faster and safer

Do Not Use For

  • implementing the code change itself
  • generic team-process work with no PR or review component

Inputs

  • the diff or planned PR scope
  • tests, docs, and architecture notes affected by the change
  • current review template or review policy, if any

Quick Start

  1. Read the nearest AGENTS.md and confirm scope and constraints.
  2. Run this skill's Workflow through the Ralph Loop until outcomes are acceptable.
  3. Return the Required Result Format with concrete artifacts and verification evidence.

Workflow

  1. Confirm the change is small enough to review coherently. Split if needed.
  2. Check that tests, docs, and architecture notes moved with the code.
  3. Review in this order:
    • behavioural risk
    • design and maintainability
    • test quality
    • operational or security impact
  4. If the repo needs review policy or a template, define it in-repo.
  5. Keep reviewer guidance concrete. Avoid vague "review carefully" language.

Deliver

  • review-ready pull requests
  • review guidance that is specific and enforceable
  • findings tied to behaviour, design, testing, and risk

Validate

  • the review guidance tells reviewers what to check, not just that they should check
  • PR scope is understandable without opening the whole repo
  • tests and docs are part of review readiness, not afterthoughts
Show full SKILL.md (211 more words)Show less

Ralph Loop

Use the Ralph Loop for every task, including docs, architecture, testing, and tooling work.

  1. Plan first (mandatory):
    • analyze current state
    • define target outcome, constraints, and risks
    • write a detailed execution plan
    • list final validation skills to run at the end, with order and reason
  2. Execute one planned step and produce a concrete delta.
  3. Review the result and capture findings with actionable next fixes.
  4. Apply fixes in small batches and rerun the relevant checks or review steps.
  5. Update the plan after each iteration.
  6. Repeat until outcomes are acceptable or only explicit exceptions remain.
  7. If a dependency is missing, bootstrap it or return status: not_applicable with explicit reason and fallback path.
Required Result Format
  • status: complete | clean | improved | configured | not_applicable | blocked
  • plan: concise plan and current iteration step
  • actions_taken: concrete changes made
  • validation_skills: final skills run, or skipped with reasons
  • verification: commands, checks, or review evidence summary
  • remaining: top unresolved items or none

For setup-only requests with no execution, return status: configured and exact next commands.

Load References

  • read references/code-reviews.md and references/pull-requests.md first
  • open references/pull-request-template.md, references/inclusion-in-code-review.md, or references/faq.md only when needed

Example Requests

  • "Make our PR template less useless."
  • "Is this change actually ready for code review?"
  • "Define stricter review expectations for this repo."

© managedcode, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 5 other files (references) in .codex/skills/mcaf-code-review of managedcode/Storage.

  • SKILL.md
  • references/code-reviews.md
  • references/faq.md
  • references/inclusion-in-code-review.md
  • references/pull-request-template.md
  • references/pull-requests.md

Open the folder on GitHubat commit 5d32121

Compare with similar skills

Mcaf Code Review next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Mcaf Code Review compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Mcaf Code Review this skillmanagedcode/Storage138—~957Automated safety check: PassMIT
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Understand Diff AnalysisEgonex-AI/Understand-Anything86k1 repos~1.4kAutomated safety check: PassMIT
WooCommerce Code Reviewwoocommerce/woocommerce11k3 repos~1.1kAutomated safety check: PassCustom licence
Open Code Review CLIalibaba/open-code-review44k—~3.1kAutomated safety check: PassApache-2.0
GitHub Review Iterationprisma/orm48k—~2.2kAutomated safety check: PassApache-2.0

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  • Mcaf Documentation

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Categories

Questions about Mcaf Code Review

What does Mcaf Code Review do?

Prepare for, perform, or tighten code review workflow: PR scope, review checklist, reviewer expectations, and merge hygiene. Mcaf Code Review is an agent skill from managedcode/Storage. Prepare for, perform, or tighten code review workflow: PR scope, review checklist, reviewer expectations, and merge hygiene.

When should I use Mcaf Code Review?

Mcaf Code Review fits situations like: shaping pull requests; defining review policy; auditing whether a change is review-ready.

How do I install Mcaf Code Review in Claude Code?

Run `npx skills add managedcode/Storage --skill mcaf-code-review -a claude-code`. Or copy the skill folder (.codex/skills/mcaf-code-review in managedcode/Storage) into .claude/skills/mcaf-code-review in your project. Claude Code loads it when a task matches its description.

How do I install Mcaf Code Review in Codex?

Run `npx skills add managedcode/Storage --skill mcaf-code-review -a codex`. Or copy the skill folder (.codex/skills/mcaf-code-review in managedcode/Storage) into .agents/skills/mcaf-code-review in your project. Codex loads it when a task matches its description.

Can I use Mcaf Code Review in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add managedcode/Storage --skill mcaf-code-review -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/mcaf-code-review, .gemini/skills/mcaf-code-review, .github/skills/mcaf-code-review and .opencode/skills/mcaf-code-review in your project.

What does Mcaf Code Review need to run?

SKILL.md names no scripts, command-line tools or credentials: Mcaf Code Review is instructions for the agent only. Compatibility (from SKILL.md): Requires repository access; may update PR templates, review docs, or contribution guidance..

Does Mcaf Code Review access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Mcaf Code Review safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Mcaf Code Review use?

Mcaf Code Review is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Mcaf Code Review use?

About 957 tokens (SKILL.md is roughly 3.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.7k tokens, read only when the agent opens those files.

What are the alternatives to Mcaf Code Review?

Skills that share tags, products or a category with Mcaf Code Review: PR Babysitter (openinterpreter/openinterpreter, 69k stars), Understand Diff Analysis (Egonex-AI/Understand-Anything, 86k stars), WooCommerce Code Review (woocommerce/woocommerce, 11k stars) and Open Code Review CLI (alibaba/open-code-review, 44k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Mcaf Code Review?

managedcode (a GitHub organization) maintains it in managedcode/Storage, which has 138 GitHub stars. The repository holds 41 skills in this directory. The repository was last updated on October 7, 2026.

Source: managedcode/Storage on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.