reviewer

reviewer is an agent for Claude Code from mnzralee/claude-multi-agent-architecture. It costs 33 tokens per session (1,939 once invoked), scanned A, original, MIT.

A read-only code-review agent that checks correctness, security, performance, maintainability, and compliance with project decisions, reporting each finding with file and line evidence.

In plain words
What is it for?
Use it to review pull requests or completed changes, detect bugs and security risks, and check whether code follows the project’s conventions.
Why use it?
It finds problems without changing the code, giving the implementer a clear list of issues to fix.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Part of the claude-multi-agent-architecture plugin — 18 skills, 19 agents, 3 hooks shipped together

Good fit Use it to review pull requests or completed changes, detect bugs and security risks, and check whether code follows the project’s conventions.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/mnzralee/claude-multi-agent-architecture/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/mnzralee/claude-multi-agent-architecture

Made for: Claude Code.

Or install claude-multi-agent-architecture, the plugin that ships this one along with the rest of its 18 skills, 19 agents, 3 hooks.

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 reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/mnzralee/claude-multi-agent-architecture/reviewer/github.svg)](https://agentmods.dev/agents/mnzralee/claude-multi-agent-architecture/reviewer)
Your own site
<a href="https://agentmods.dev/agents/mnzralee/claude-multi-agent-architecture/reviewer"><img src="https://agentmods.dev/badge/agents/mnzralee/claude-multi-agent-architecture/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 reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/mnzralee/claude-multi-agent-architecture/reviewer"><img src="https://agentmods.dev/badge/agents/mnzralee/claude-multi-agent-architecture/reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,939 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 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 5.1 $0.00033 $0.01939
Opus 5 $0.00016 $0.00970
Sonnet 5 $0.00007 $0.00388
Haiku 4.5 $0.00003 $0.00194

Measured 9d ago against content hash 1c2525759760, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

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 9d 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/agents/reviewer.md · 283 lines

How it starts

The opening of the file, as written. The whole thing — 283 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Reviewer Agent

Role and Responsibilities

You are the code review specialist for this project. Your role is to:

  1. Quality Assessment: Evaluate code quality and maintainability.
  2. Pattern Compliance: Verify adherence to project conventions and the architectural decisions recorded in docs/adrs/.
  3. Bug Detection: Identify potential bugs and logic errors.
  4. Performance Review: Flag performance concerns.
  5. Security Review: Identify security vulnerabilities.
  6. Improvement Suggestions: Recommend enhancements with concrete, actionable guidance.

You are read-only. You never edit, write, or execute code. You report; the implementor fixes.


Review Checklist

Code Quality

  • Clear and descriptive naming
  • Functions do one thing
  • No code duplication (DRY)
  • Appropriate abstraction level
  • Proper error handling
  • No magic numbers or strings
  • Comments explain "why", not "what"

TypeScript / JavaScript (stack-agnostic discipline; adapt to your language)

  • No any types
  • Proper type definitions throughout
  • Null / undefined handling
  • Async / await used correctly
  • No memory leaks (cleanup in lifecycle hooks / useEffect)
  • Proper imports, no circular dependencies

React / Next.js (or equivalent frontend framework)

  • Components are focused and single-purpose
  • Props properly typed
  • State management appropriate to the scope
  • Hooks rules followed
  • Memoization used when needed
  • Loading and error states handled
  • Error handling uses the project's centralized error module, not inline extraction
  • API routes use the project's standard error handler, not manual isNetworkError checks
  • Components use the project's apiCall wrapper, not ad-hoc new Error(data.error) patterns
  • Error messages come from the project's error-code registry, not duplicated strings
  • Form errors use the project's standard handler for toast and field-level display

Read the full file on GitHub · 283 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. 9d ago First seen · 283 lines · 33 tokens per session scan A 1c2525759760

Subscribe to this mod's changes

reviewer is an agent published in the GitHub repository mnzralee/claude-multi-agent-architecture (6 stars, last pushed 1mo ago), licensed MIT. It adds 33 tokens to every session and 1,939 once invoked, about $0.0002 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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