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Agent skill

Code Review

by pnp in pnp/powershell

Reviews changes to PnP PowerShell, a .NET 8 module of 800+ cmdlets for Microsoft 365.

MITAuto-check passedDevelopment

Install Code Review

skills CLI
$ npx skills add pnp/powershell --skill code-review -a claude-code

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

GitHub CLI
$ gh skill install pnp/powershell 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/pnp/powershell.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/code-review .claude/skills/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
code-review
GitHub stars
905
Token cost
~385 tokens
SKILL.md length
106 words
Files
1
Skills in repo
9
Repo updated
First seen
Licence
MIT

At a glance

Reviews changes to PnP PowerShell, a .NET 8 module of 800+ cmdlets for Microsoft 365.

  • Reviewing a diff
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Uncommitted changes

What it does

Code Review is an agent skill from pnp/powershell. Reviews changes to PnP PowerShell, a .NET 8 module of 800+ cmdlets for Microsoft 365. Knows the cmdlet base classes, how errors reach the user, unpaged Graph collections, the documentation and changelog conventions, and the failure modes this repository actually ships. Use when reviewing a diff, a PR, or uncommitted changes.

Its SKILL.md is about 390 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Cloud office suites, Code review and Changelog and release notes. It works with PowerShell, Microsoft 365 and .NET. The licence is MIT.

When your agent uses it

  • Reviewing a diff
  • Uncommitted changes

Example prompts

  • “Use the code-review skill to review changes to PnP PowerShell, a .NET 8 module of 800+ cmdlets for Microsoft 365”
  • “/code-review”

What it can do on your machine

Read from SKILL.md and the folder at commit 947ac5e. 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.

Context cost

Code Review loads about 385 tokens when it runs. Until then it costs about 85 tokens; SKILL.md has 106 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~85
When it runs · the whole SKILL.md, loaded when a task matches
~385

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 pnp/powershell at commit 947ac5e, republished under its MIT licence (© pnp). 106 words, ~385 tokens.

Download SKILL.mdSave it as .claude/skills/code-review/SKILL.md (or your agent's skills folder).
name
code-review
description
Reviews changes to PnP PowerShell, a .NET 8 module of 800+ cmdlets for Microsoft 365. Knows the cmdlet base classes, how errors reach the user, unpaged Graph collections, the documentation and changelog conventions, and the failure modes this repository actually ships. Use when reviewing a diff, a PR, or uncommitted changes.

Reviewing PnP PowerShell

Follow .agents/skills/code-review/SKILL.md — read it now and apply it.

That playbook is the single source shared with Codex and Copilot. Do not duplicate its content here; changes belong in the playbook.

Report in the session. Never post a review, comment or approval to GitHub, and never open an issue or PR for a finding — see Human in the loop.

Supporting references, as the review needs them:

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

Files

Just SKILL.md in .claude/skills/code-review of pnp/powershell.

Open the folder on GitHubat commit 947ac5e

Compare with similar skills

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.

Code Review compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Code Review this skillpnp/powershell905—~385Automated safety check: PassMIT
Find Reviewable MAUI PRsdotnet/maui23k—~1.7kAutomated safety check: PassMIT
Validate Release-Note Code Samplesdotnet/core22k—~1.4kAutomated safety check: PassMIT
Evaluate PR Testsdotnet/maui23k—~2.9kAutomated safety check: PassMIT
CLI Microsoft365 Scriptpnp/cli-microsoft365-mcp-server131—~3.3kAutomated safety check: PassMIT
M365 Agents Dotnetmicrosoft/skills3.1k6 repos~2.5kAutomated safety check: PassMIT

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All 9 skills in this repo

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  • Dotnet Standards

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  • Issue Triage

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  • New Cmdlet

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Works with

Categories

Questions about Code Review

What does Code Review do?

Reviews changes to PnP PowerShell, a .NET 8 module of 800+ cmdlets for Microsoft 365. Code Review is an agent skill from pnp/powershell.NET 8 module of 800+ cmdlets for Microsoft 365.

When should I use Code Review?

Code Review fits situations like: reviewing a diff; uncommitted changes.

How do I install Code Review in Claude Code?

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

How do I install Code Review in Codex?

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

Can I use 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 pnp/powershell --skill 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/code-review, .gemini/skills/code-review, .github/skills/code-review and .opencode/skills/code-review in your project.

What does Code Review need to run?

SKILL.md names no scripts, command-line tools or credentials: Code Review is instructions for the agent only.

Does 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 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 Code Review use?

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 Code Review use?

About 385 tokens (SKILL.md is roughly 1.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Code Review?

Skills that share tags, products or a category with Code Review: Find Reviewable MAUI PRs (dotnet/maui, 23k stars), Validate Release-Note Code Samples (dotnet/core, 22k stars), Evaluate PR Tests (dotnet/maui, 23k stars) and CLI Microsoft365 Script (pnp/cli-microsoft365-mcp-server, 131 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Code Review?

pnp (a GitHub organization) maintains it in pnp/powershell, which has 905 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on October 7, 2026.

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