code-reviewer

code-reviewer is a skill for Claude Code, Codex from u9401066/rootcause-mcp. It costs 0 tokens per session (1,710 once invoked), scanned A, a copy of code-reviewer, Apache-2.0.

A code-review skill that checks source code for quality, security, performance, and common best practices. Code review means examining code before it is accepted or merged.

In plain words
What is it for?
Use it to review files, directories, features, or recent changes, and to run checks such as linting, type checking, security analysis, and dead-code detection.
Why use it?
It gives the agent a repeatable review process instead of relying only on an informal reading of the files or pull request.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/u9401066/rootcause-mcp/code-reviewer
Any agent
npx skills add u9401066/rootcause-mcp --skill code-reviewer
Clone the repo
git clone --depth 1 https://github.com/u9401066/rootcause-mcp

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for code-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/skills/u9401066/rootcause-mcp/code-reviewer.svg)](https://agentmods.dev/skills/u9401066/rootcause-mcp/code-reviewer)
Your own site
<a href="https://agentmods.dev/skills/u9401066/rootcause-mcp/code-reviewer"><img src="https://agentmods.dev/badge/skills/u9401066/rootcause-mcp/code-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,710 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00000 $0.01710
Opus 5 $0.00000 $0.00855
Sonnet 5 $0.00000 $0.00342
Haiku 4.5 $0.00000 $0.00171

Measured 3d ago against content hash c828461b4e15, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

code-reviewer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to code-reviewer — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/code-reviewer/SKILL.md · 195 lines

How it starts

The opening of the file, as written. The whole thing — 195 lines — stays where its author put it; the contents beside it link to each section on GitHub.


name: code-reviewer description: Comprehensive code review checking quality, security, and best practices. Triggers: CR, review, 審查, 檢查, check, 看一下, PR, code review, 品質, inspect, 檢視, 看看, 幫看, lint, quality check, 品質檢查, pull request, merge request, MR, diff, 程式碼審查. version: 2.2.0 category: quality compatibility:

  • claude-code
  • github-copilot
  • vscode
  • codex-cli dependencies:
  • ddd-architect
  • code-refactor allowed-tools:
  • read_file
  • grep_search
  • semantic_search
  • get_errors
  • list_code_usages
  • run_in_terminal

程式碼審查技能

描述

對程式碼進行全面審查,檢查品質、安全性、效能和最佳實踐。

觸發條件

  • 「review 這段程式碼」「CR」「審查」
  • 「檢查程式碼」「看一下」「幫看」
  • 「code review」「PR review」

🔧 操作步驟

Step 1: 確定審查範圍

詢問或推斷審查目標:

  • 特定檔案:read_file("path/to/file.py")
  • 整個目錄:grep_search 取得概覽
  • 特定功能:semantic_search("功能名稱")
  • 最近變更:get_changed_files()

Step 2: 執行靜態分析(Python 專案)

# Ruff - 快速 linter (取代 flake8 + isort + pyupgrade)
uv run ruff check src/ --output-format=concise

# Mypy - 型別檢查
uv run mypy src/ --ignore-missing-imports

# Bandit - 安全性檢查
uv run bandit -r src/ -ll

# Vulture - 死碼偵測
uv run vulture src/ --min-confidence 80

Step 3: 審查程式碼品質

檢查項目 標準 工具輔助
命名清晰度 名稱應描述用途 人工審查
函數長度 < 50 行 grep_search
類別大小 < 300 行 grep_search
複雜度 McCabe < 10 ruff --select=C901
DRY 原則 無重複程式碼 semantic_search
SOLID 原則 單一職責等 人工審查

Step 4: 審查安全性

風險類型 檢查方式 嚴重程度
SQL 注入 搜尋 raw SQL 🔴 Critical
XSS 搜尋未轉義輸出 🔴 Critical
硬編碼密碼 grep "password|secret|key" 🔴 Critical
路徑遍歷 搜尋未驗證路徑 🟠 High
日誌洩漏 搜尋敏感資料輸出 🟡 Medium

Step 5: 審查效能

問題類型 偵測方式
N+1 查詢 搜尋迴圈內的 DB 呼叫
無謂迴圈 審查巢狀迴圈
記憶體洩漏 檢查資源釋放
阻塞操作 審查 I/O 操作

Step 6: 審查 DDD 架構

參考 ddd-architect 規則:

  • Domain 層是否有外部依賴?
  • Repository Interface 是否在 Domain 層?
  • Application 層是否過度膨脹?

Step 7: 產生審查報告


📊 審查報告格式

Read the full file on GitHub · 195 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 195 lines · 0 tokens per session scan A c828461b4e15

Subscribe to this mod's changes

code-reviewer is a skill published in the GitHub repository u9401066/rootcause-mcp (0 stars, last pushed 15d ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 1,710 tokens. A static security scan graded it A with 0 findings. It is 100% identical to code-reviewer, differing in 0 lines, and is treated as a copy.

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