Agent skill

Review A Skill

by MoizIbnYousaf in MoizIbnYousaf/ai-agent-skills

A skill your agent uses when evaluating whether a skill belongs in a library.

MITAuto-check passed

Install Review A Skill

skills CLI
$ npx skills add MoizIbnYousaf/ai-agent-skills --skill review-a-skill -a claude-code

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

GitHub CLI
$ gh skill install MoizIbnYousaf/ai-agent-skills review-a-skill --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/MoizIbnYousaf/ai-agent-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/review-a-skill .claude/skills/review-a-skill && 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
review-a-skill
GitHub stars
1.1k
Token cost
~576 tokens
SKILL.md length
206 words
Files
1
Skills in repo
15
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when evaluating whether a skill belongs in a library.

  • Works in 4 steps: Inspect the catalog entry for metadata… → Validate the skill's SKILL.md structure. → If the skill needs curation (notes,… → …
  • Evaluating whether a skill belongs in a library
  • SKILL.md covers Goal, Guardrails, Workflow and Decision Criteria, plus 1 more section
  • Calls npx

What it does

Review A Skill is an agent skill from MoizIbnYousaf/ai-agent-skills. Use when evaluating whether a skill belongs in a library. Preview content, check frontmatter, validate structure, and decide whether to keep, curate, or remove.

Its SKILL.md is about 580 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Universal skill installer and package manager for AI coding agents. One command, 12+ runtimes. npx ai-agent-skills. The licence is MIT.

When your agent uses it

  • Evaluating whether a skill belongs in a library

Example prompts

  • “/review-a-skill”

Requirements

  • Node.js

Workflow steps

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

  1. Inspect the catalog entry for metadata completeness.
  2. Validate the skill's SKILL.md structure.
  3. If the skill needs curation (notes, collections, verification)
  4. If the skill should be removed

What it can do on your machine

Read from SKILL.md and the folder at commit 6d95c78. 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

    Shell commands in SKILL.md call:

    • npx

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

  • Network

    No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

    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

Review A Skill loads about 576 tokens when it runs. Until then it costs about 44 tokens; SKILL.md has 206 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~44
When it runs · the whole SKILL.md, loaded when a task matches
~576

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 MoizIbnYousaf/ai-agent-skills at commit 6d95c78, republished under its MIT licence (© MoizIbnYousaf). 206 words, ~576 tokens.

Download SKILL.mdSave it as .claude/skills/review-a-skill/SKILL.md (or your agent's skills folder).
name
review-a-skill
description
Use when evaluating whether a skill belongs in a library. Preview content, check frontmatter, validate structure, and decide whether to keep, curate, or remove.
category
workflow
version
4.1.0

Review A Skill

Goal

Evaluate a single skill's quality, relevance, and safety before it enters or stays in a library.

Guardrails

  • Always use --format json for machine-readable output in automated pipelines.
  • Always use --fields to limit output size when inspecting catalog entries.
  • Always use --dry-run before curating or removing a skill.
  • Never remove a skill without first checking if other skills depend on it via info --format json dependencies.

Workflow

  1. Preview the skill content to check for quality and safety.
bash
npx ai-agent-skills preview <skill-name>

The preview command sanitizes content — if it flags sanitization, investigate before proceeding.

  1. Inspect the catalog entry for metadata completeness.
bash
npx ai-agent-skills info <skill-name> --format json --fields name,description,tags,collections,dependencies
  1. Validate the skill's SKILL.md structure.
bash
npx ai-agent-skills validate <skill-name>
  1. If the skill needs curation (notes, collections, verification):
bash
npx ai-agent-skills curate <skill-name> --notes "Reviewed: solid patterns" --verify --dry-run
npx ai-agent-skills curate <skill-name> --notes "Reviewed: solid patterns" --verify
  1. If the skill should be removed:
bash
npx ai-agent-skills curate <skill-name> --remove --dry-run
npx ai-agent-skills curate <skill-name> --remove --yes

Decision Criteria

  • Keep: Clear description, valid frontmatter, useful to the library's audience, no injection patterns.
  • Curate: Needs better whyHere, collection placement, or verification status.
  • Remove: Duplicate, outdated, broken source, or contains suspicious content.

Gotchas

  • The preview command only works for vendored (house) skills. Upstream skills show description and whyHere only.
  • The validate command checks frontmatter structure but not content quality — that requires human or agent judgment.
  • Removing a skill that other skills depend on will break the dependency graph. Always check dependencies.usedBy first.

© MoizIbnYousaf, 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 skills/review-a-skill of MoizIbnYousaf/ai-agent-skills.

Open the folder on GitHubat commit 6d95c78

Compare with similar skills

Review A Skill 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.

Review A Skill compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Review A Skill this skillMoizIbnYousaf/ai-agent-skills1.1k—~576Automated safety check: PassMIT
Arize Evaluatorgithub/awesome-copilot40k1 repos~8.1kAutomated safety check: NotesMIT
LLM Evaluationdavila7/claude-code-templates33k12 repos~3.5kAutomated safety check: PassMIT
Agent Evaluationsickn33/agentic-awesome-skills47k1 repos~2kAutomated safety check: PassMIT
EvaluatorsArize-ai/phoenix12k—~1.7kAutomated safety check: PassCustom licence
Agent Evaluation Reportingsickn33/agentic-awesome-skills47k1 repos~2.1kAutomated safety check: PassMIT

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Questions about Review A Skill

What does Review A Skill do?

A skill your agent uses when evaluating whether a skill belongs in a library. Review A Skill is an agent skill from MoizIbnYousaf/ai-agent-skills. Use when evaluating whether a skill belongs in a library.

When should I use Review A Skill?

Review A Skill fits situations like: evaluating whether a skill belongs in a library.

How do I install Review A Skill in Claude Code?

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

How do I install Review A Skill in Codex?

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

Can I use Review A Skill 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 MoizIbnYousaf/ai-agent-skills --skill review-a-skill -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/review-a-skill, .gemini/skills/review-a-skill, .github/skills/review-a-skill and .opencode/skills/review-a-skill in your project.

What does Review A Skill need to run?

Going by SKILL.md and its folder, Review A Skill needs the command-line tools its instructions call (npx). Our summary lists: Node.js.

Does Review A Skill access the network?

SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Review A Skill 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 Review A Skill use?

Review A Skill 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 Review A Skill use?

About 576 tokens (SKILL.md is roughly 2.3k 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 Review A Skill?

Skills that share tags, products or a category with Review A Skill: Arize Evaluator (github/awesome-copilot, 40k stars), LLM Evaluation (davila7/claude-code-templates, 33k stars), Agent Evaluation (sickn33/agentic-awesome-skills, 47k stars) and Evaluators (Arize-ai/phoenix, 12k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Review A Skill?

MoizIbnYousaf (a GitHub user) maintains it in MoizIbnYousaf/ai-agent-skills, which has 1,149 GitHub stars. The repository holds 15 skills in this directory. The repository was last updated on September 21, 2026.

Source: MoizIbnYousaf/ai-agent-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.