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Agent skill

Review Backend

by cyanluna-git in cyanluna-git/cyanluna.skills

Backend 코드 리뷰. An agent skill from cyanluna-git/cyanluna.skills.

No licenceAuto-check: notesBackend & APIs

Install Review Backend

skills CLI
$ npx skills add cyanluna-git/cyanluna.skills --skill review-backend -a claude-code

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

GitHub CLI
$ gh skill install cyanluna-git/cyanluna.skills review-backend --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/cyanluna-git/cyanluna.skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/review-backend .claude/skills/review-backend && 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-backend
GitHub stars
183
Token cost
~528 tokens
SKILL.md length
251 words
Files
2
Skills in repo
16
Repo updated
First seen
Licence
None found

At a glance

Backend 코드 리뷰. An agent skill from cyanluna-git/cyanluna.skills.

  • Works in 6 steps: 인자 파싱 → PR 데이터 수집 → 코드 분석 & 리뷰 작성 → …
  • Backend & APIs work in your project
  • SKILL.md covers 대상 코드, 옵션, 필수 실행 워크플로우 and 추가 리소스
  • Calls python3

What it does

Review Backend is an agent skill from cyanluna-git/cyanluna.skills. Backend 코드 리뷰. PR의 백엔드 코드를 API 설계, DB, 보안, 동시성, 에러 처리 관점으로 분석. 사용법: /review-backend <PRURL

Its SKILL.md is about 530 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `reference.md`).

It sits in Backend & APIs.

When your agent uses it

  • Backend & APIs work in your project

Example prompts

  • “/review-backend”

Requirements

  • Python 3
  • Node.js
  • Docker
  • Pre-approved tools (allowed-tools): Bash(python3 *), Read, Grep, WebFetch

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. 인자 파싱
  2. PR 데이터 수집
  3. 코드 분석 & 리뷰 작성
  4. PR에 코멘트 게시
  5. 로컬 MD 저장
  6. 결과 요약

What it can do on your machine

Read from SKILL.md and the folder at commit df5be37. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Bash(python3 *)
    • Read
    • Grep
    • WebFetch

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • python3

    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

Review Backend loads about 528 tokens when it runs. Until then it costs about 27 tokens; SKILL.md has 251 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~27
When it runs · the whole SKILL.md, loaded when a task matches
~528

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: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteMentions a .env fileSKILL.md:18
    - 설정 파일 (.env, config, docker-compose)

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

Without a licence we can't republish the file, so here is its outline and opening line. It has 251 words (~528 tokens).

“PR URL을 입력받아 백엔드 코드를 도메인 전문 관점으로 분석하고, 구조화된 리뷰 코멘트를 PR에 자동으로 게시합니다.”

— opening of SKILL.md by cyanluna-git
name
review-backend
allowed-tools
Bash(python3 *), Read, Grep, WebFetch
argument-hint
<pr_url> [--no-post] [--no-save]

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file in review-backend of cyanluna-git/cyanluna.skills.

  • SKILL.md
  • reference.md

Open the folder on GitHubat commit df5be37

Compare with similar skills

Review Backend 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 Backend compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Review Backend this skillcyanluna-git/cyanluna.skills183—~528Automated safety check: NotesNone
Configuring Horizoncoollabsio/coolify63k4 repos~898Automated safety check: PassMIT
Nestjs Best Practicesrolling-scopes/rsschool-app10k6 repos~1.2kAutomated safety check: PassMIT
Sub2API AdminWei-Shaw/sub2api44k1 repos~717Automated safety check: PassLGPL-3.0
Firecrawl Build Onboardingfirecrawl/firecrawl190k1 repos~1.4kAutomated safety check: NotesISC
Obsidian BasesAtmosphere/atmosphere3.8k22 repos~3.2kAutomated safety check: PassApache-2.0

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Categories

Questions about Review Backend

What does Review Backend do?

Backend 코드 리뷰. An agent skill from cyanluna-git/cyanluna.skills. skills. Backend 코드 리뷰.

When should I use Review Backend?

Review Backend fits situations like: backend & APIs work in your project.

How do I install Review Backend in Claude Code?

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

How do I install Review Backend in Codex?

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

Can I use Review Backend 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 cyanluna-git/cyanluna.skills --skill review-backend -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-backend, .gemini/skills/review-backend, .github/skills/review-backend and .opencode/skills/review-backend in your project.

What does Review Backend need to run?

Going by SKILL.md and its folder, Review Backend needs the command-line tools its instructions call (python3). Our summary lists: Python 3; Node.js; Docker. Its frontmatter pre-approves these tools: Bash(python3 *), Read, Grep, WebFetch.

Does Review Backend 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 Review Backend safe to install?

Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Review Backend use?

No licence was found for Review Backend or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Review Backend use?

About 528 tokens (SKILL.md is roughly 2.1k 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 Backend?

Skills that share tags, products or a category with Review Backend: Configuring Horizon (coollabsio/coolify, 63k stars), Nestjs Best Practices (rolling-scopes/rsschool-app, 10k stars), Sub2API Admin (Wei-Shaw/sub2api, 44k stars) and Firecrawl Build Onboarding (firecrawl/firecrawl, 190k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Review Backend?

cyanluna-git (a GitHub user) maintains it in cyanluna-git/cyanluna.skills, which has 183 GitHub stars. The repository holds 16 skills in this directory. The repository was last updated on June 22, 2026.

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