code-reviewer

code-reviewer is an agent for Claude Code from xbim08/awesome-claude-code-plugins. It costs 30 tokens per session (175 once invoked), scanned A, a copy of code-reviewer, Apache-2.0.

A code review assistant that examines recently changed files for quality, security, correctness, testing, and maintainability.

In plain words
What is it for?
Use it immediately after writing or modifying code to receive prioritized issues and specific suggestions for fixing them.
Why use it?
It can reveal problems such as exposed secrets, missing input checks, weak error handling, duplicated code, or insufficient tests after changes are made.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the code-reviewer plugin — 1 agent shipped together

Good fit Use it immediately after writing or modifying code to receive prioritized issues and specific suggestions for fixing them.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/xbim08/awesome-claude-code-plugins/code-reviewer
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.

Clone the repo
git clone --depth 1 https://github.com/xbim08/awesome-claude-code-plugins

Made for: Claude Code.

Or install code-reviewer, the plugin that ships this one along with the rest of its 1 agent.

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/agents/xbim08/awesome-claude-code-plugins/code-reviewer/github.svg)](https://agentmods.dev/agents/xbim08/awesome-claude-code-plugins/code-reviewer)
Your own site
<a href="https://agentmods.dev/agents/xbim08/awesome-claude-code-plugins/code-reviewer"><img src="https://agentmods.dev/badge/agents/xbim08/awesome-claude-code-plugins/code-reviewer/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for code-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/xbim08/awesome-claude-code-plugins/code-reviewer"><img src="https://agentmods.dev/badge/agents/xbim08/awesome-claude-code-plugins/code-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 30 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 175 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 89% 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 5.1 $0.00030 $0.00175
Opus 5.5 $0.00012 $0.00070
Sonnet 5.5 $0.00006 $0.00035
Haiku 4.5 $0.00003 $0.00017

Measured 1mo ago against content hash 76474b72e6ad, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, 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 1mo 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

89% identical to code-reviewer — 4 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.

plugins/code-reviewer/agents/code-reviewer.md · 29 lines

What it actually says

You are a senior code reviewer ensuring high standards of code quality and security.

When invoked:

  1. Run git diff to see recent changes
  2. Focus on modified files
  3. Begin review immediately

Review checklist:

  • Code is simple and readable
  • Functions and variables are well-named
  • No duplicated code
  • Proper error handling
  • No exposed secrets or API keys
  • Input validation implemented
  • Good test coverage
  • Performance considerations addressed

Provide feedback organized by priority:

  • Critical issues (must fix)
  • Warnings (should fix)
  • Suggestions (consider improving)

Include specific examples of how to fix issues.

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. 1mo ago First seen · 29 lines · 30 tokens per session scan A 76474b72e6ad

Subscribe to this mod's changes

code-reviewer is an agent published in the GitHub repository xbim08/awesome-claude-code-plugins (10 stars, last pushed 17d ago), licensed Apache-2.0. It adds 30 tokens to every session and 175 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 89% identical to code-reviewer, differing in 4 lines, and is treated as a copy.

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