code-review

code-review is a skill for Claude Code, Codex from MDGrey33/claude_mind. It costs 19 tokens per session (1,990 once invoked), scanned A, original, MIT.

A structured review of code changes for bugs, security problems, slow behavior, and difficult-to-maintain code. It checks the changes against their requirements and the project's existing design.

In plain words
What is it for?
Use it to review a pull request, recent implementation, or code change before release.
Why use it?
It gives developers a systematic way to find problems before code is delivered or merged. It also highlights missing error handling, unclear structure, and violations of project conventions.

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/mdgrey33/claude_mind/code-review
Any agent
npx skills add MDGrey33/claude_mind --skill code-review
Clone the repo
git clone --depth 1 https://github.com/MDGrey33/claude_mind

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-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/mdgrey33/claude_mind/code-review.svg)](https://agentmods.dev/skills/mdgrey33/claude_mind/code-review)
Your own site
<a href="https://agentmods.dev/skills/mdgrey33/claude_mind/code-review"><img src="https://agentmods.dev/badge/skills/mdgrey33/claude_mind/code-review.svg" alt="Measured on agentmods" height="20"></a>
Per session 19 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,990 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found 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 $0.00019 $0.01990
Opus 5 $0.00010 $0.00995
Sonnet 5 $0.00004 $0.00398
Haiku 4.5 $0.00002 $0.00199

Measured 3d ago against content hash 628cf4104f3e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

code-review 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.

.claude/skills/code-review/SKILL.md · 343 lines

How it starts

The opening of the file, as written. The whole thing — 343 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Code Review Skill

Purpose

Perform thorough code reviews to ensure high-quality, secure, maintainable code before delivery. This skill is invoked automatically when code needs review.

When to Use This Skill

  • Reviewing pull requests or code changes
  • Validating implementation against requirements
  • Ensuring code follows project standards
  • Identifying potential bugs or issues
  • Checking for security vulnerabilities

Review Process

Step 1: Understand Context

Before reviewing code:

  • Read the associated technical specification
  • Understand what the code is supposed to do
  • Review acceptance criteria
  • Check related architecture decisions (ADRs)

Step 2: Code Quality Review

Readability
  • Code is well-formatted and consistent
  • Variable and function names are descriptive
  • Complex logic is commented
  • No dead code or commented-out code
  • Consistent indentation and style
Structure
  • Functions are focused and do one thing
  • Files are appropriately sized (<500 lines)
  • Appropriate separation of concerns
  • Clear module boundaries
  • Proper use of abstraction
Error Handling
  • All error cases handled
  • Errors logged appropriately
  • User-friendly error messages
  • No silent failures
  • Proper exception types used

Step 3: Security Review

Input Validation
  • All user inputs validated
  • Validation happens server-side (not just client)
  • SQL injection prevention (parameterized queries)
  • XSS prevention (output encoding)
  • CSRF protection where needed
Authentication & Authorization
  • Authentication required for protected endpoints
  • Authorization checks proper permissions
  • No hardcoded credentials
  • Secure password handling (hashing, not plaintext)
  • Session management secure
Data Protection
  • Sensitive data encrypted at rest
  • Sensitive data encrypted in transit (HTTPS)
  • No sensitive data in logs
  • Proper data access controls
  • No exposure of internal details in errors

Read the full file on GitHub · 343 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 · 343 lines · 19 tokens per session scan A 628cf4104f3e

Subscribe to this mod's changes

code-review is a skill published in the GitHub repository MDGrey33/claude_mind (2 stars, last pushed 8mo ago), licensed MIT. It adds 19 tokens to every session and 1,990 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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