Agent skill

Code Review

by nth5693 in nth5693/gemini-kit

Systematic multi-perspective code review with consistent quality gates.

MITAuto-check passedDevelopment

Install Code Review

skills CLI
$ npx skills add nth5693/gemini-kit --skill code-review -a claude-code

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

GitHub CLI
$ gh skill install nth5693/gemini-kit 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/nth5693/gemini-kit.git skills-src && mkdir -p .claude/skills && cp -r skills-src/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
372
Token cost
~339 tokens
SKILL.md length
134 words
Files
5
Skills in repo
6
Repo updated
First seen
Licence
MIT

At a glance

Systematic multi-perspective code review with consistent quality gates.

  • Works in 4 steps: Security Review (Auth, RLS, Input) →… → Performance Review (Database,… → Architecture Review (State, Data Flow) →… → …
  • Tasks that involve Code review
  • SKILL.md covers Overview, When To Use, Instrumentation and What do you want to do?, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Code Review is an agent skill from nth5693/gemini-kit. Systematic multi-perspective code review with consistent quality gates.

Its SKILL.md is about 340 tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files (for example `checklists/pre-merge.md`, `workflows/architecture-pass.md` and `workflows/performance-pass.md`).

It sits in Development, covering Code review and Quality gates. The repository describes itself as: 🚀 19 AI Agents + 44 Commands for Gemini CLI - Code 10x faster with auto planning, testing, review & security. The licence is MIT.

When your agent uses it

  • Tasks that involve Code review
  • Tasks that involve Quality gates

Example prompts

  • “/code-review”

Workflow steps

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

  1. Security Review (Auth, RLS, Input) → workflows/security-pass.md
  2. Performance Review (Database, Re-renders) → workflows/performance-pass.md
  3. Architecture Review (State, Data Flow) → workflows/architecture-pass.md
  4. General Quality Check → checklists/pre-merge.md

What it can do on your machine

Read from SKILL.md and the folder at commit f3db206. 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 (its code samples are bash).

    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 339 tokens when it runs. Until then it costs about 21 tokens; SKILL.md has 134 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~21
When it runs · the whole SKILL.md, loaded when a task matches
~339

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 nth5693/gemini-kit at commit f3db206, republished under its MIT licence (© nth5693). 134 words, ~339 tokens.

Download SKILL.mdSave it as .claude/skills/code-review/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.
name
code-review
description
Systematic multi-perspective code review with consistent quality gates.
last_updated
2025-12-20

Code Review Skill

Overview

A systematic approach to code review that moves beyond "it looks good" to rigorous quality verification. This skill provides specific checklists and procedures for different review types.

When To Use

  • Self-Review: Before submitting a PR or finishing /work
  • Peer Review: When reviewing another agent's or human's code (/resolve_pr)
  • Plan Review: When validating an implementation plan (/plan_review)

Instrumentation

bash
# Log usage when using this skill
./scripts/log-skill.sh "code-review" "manual" "$$"

What do you want to do?

  1. Security Review (Auth, RLS, Input) → workflows/security-pass.md
  2. Performance Review (Database, Re-renders) → workflows/performance-pass.md
  3. Architecture Review (State, Data Flow) → workflows/architecture-pass.md
  4. General Quality Check → checklists/pre-merge.md

Key Principles

  • Review in Passes: Don't check everything at once. Do a security pass, then a performance pass, etc.
  • Reference Patterns: Always check against docs/solutions/patterns/critical-patterns.md.
  • Verify, Don't Guess: If you see a potential issue, verify it with a quick test or script.

© nth5693, 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 4 other files in skills/code-review of nth5693/gemini-kit.

  • SKILL.md
  • checklists/pre-merge.md
  • workflows/architecture-pass.md
  • workflows/performance-pass.md
  • workflows/security-pass.md

Open the folder on GitHubat commit f3db206

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 skillnth5693/gemini-kit372—~339Automated safety check: PassMIT
Requesting Code ReviewHezaoHezao/poirot2505 repos~1.6kAutomated safety check: PassMIT
Compound Engineering Code ReviewEveryInc/compound-engineering-plugin25k—~2kAutomated safety check: PassMIT
Code Reviewmodimihir07/agentic-os192—~222Automated safety check: PassMIT
PR Deep VerificationQwenLM/qwen-code28k—~18kAutomated safety check: PassApache-2.0
Gsd Ns Reviewopen-gsd/gsd-core10k1 repos~304Automated safety check: PassMIT

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Questions about Code Review

What does Code Review do?

Systematic multi-perspective code review with consistent quality gates. Code Review is an agent skill from nth5693/gemini-kit. Systematic multi-perspective code review with consistent quality gates.

When should I use Code Review?

Code Review fits situations like: tasks that involve Code review; tasks that involve Quality gates.

How do I install Code Review in Claude Code?

Run `npx skills add nth5693/gemini-kit --skill code-review -a claude-code`. Or copy the skill folder (skills/code-review in nth5693/gemini-kit) 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 nth5693/gemini-kit --skill code-review -a codex`. Or copy the skill folder (skills/code-review in nth5693/gemini-kit) 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 nth5693/gemini-kit --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 339 tokens (SKILL.md is roughly 1.4k 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: Requesting Code Review (HezaoHezao/poirot, 250 stars), Compound Engineering Code Review (EveryInc/compound-engineering-plugin, 25k stars), Code Review (modimihir07/agentic-os, 192 stars) and PR Deep Verification (QwenLM/qwen-code, 28k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Code Review?

nth5693 (a GitHub user) maintains it in nth5693/gemini-kit, which has 372 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on March 7, 2026.

Source: nth5693/gemini-kit on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.