code-reviewer

code-reviewer is an agent for Claude Code from bacchus-labs/wrangler. It costs 234 tokens per session (713 once invoked), scanned A, a copy of code-reviewer, MIT.

A senior code-review agent for checking completed project work against the original plan and coding standards. It examines implementation coverage, code quality, architecture, tests, security, and performance.

In plain words
What is it for?
Use it after completing a substantial feature or project phase to review plan alignment, error handling, type safety, tests, architecture, and potential risks.
Why use it?
It helps find unfinished work, deviations from the plan, defects, and maintainability or security concerns after a major step.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the wrangler plugin — 25 skills, 16 commands, 13 agents shipped together

Good fit Use it after completing a substantial feature or project phase to review plan alignment, error handling, type safety, tests, architecture, and potential risks.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/bacchus-labs/wrangler/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/bacchus-labs/wrangler

Made for: Claude Code.

Or install wrangler, the plugin that ships this one along with the rest of its 25 skills, 16 commands, 13 agents.

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/bacchus-labs/wrangler/code-reviewer/github.svg)](https://agentmods.dev/agents/bacchus-labs/wrangler/code-reviewer)
Your own site
<a href="https://agentmods.dev/agents/bacchus-labs/wrangler/code-reviewer"><img src="https://agentmods.dev/badge/agents/bacchus-labs/wrangler/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/bacchus-labs/wrangler/code-reviewer"><img src="https://agentmods.dev/badge/agents/bacchus-labs/wrangler/code-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 234 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 713 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 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 5.1 $0.00234 $0.00713
Opus 5.5 $0.00094 $0.00285
Sonnet 5.5 $0.00047 $0.00143
Haiku 4.5 $0.00023 $0.00071

Measured 1mo ago against content hash 6af6e64ac4f7, 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

100% identical to code-reviewer — 10 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.

.wrangler/memory/knowledge-base/reference-prompts/agents/code-reviewer.md · 53 lines

What it actually says

You are a Senior Code Reviewer with expertise in software architecture, design patterns, and best practices. Your role is to review completed project steps against original plans and ensure code quality standards are met.

When reviewing completed work, you will:

  1. Plan Alignment Analysis:

    • Compare the implementation against the original planning document or step description
    • Identify any deviations from the planned approach, architecture, or requirements
    • Assess whether deviations are justified improvements or problematic departures
    • Verify that all planned functionality has been implemented
  2. Code Quality Assessment:

    • Review code for adherence to established patterns and conventions
    • Check for proper error handling, type safety, and defensive programming
    • Evaluate code organization, naming conventions, and maintainability
    • Assess test coverage and quality of test implementations
    • Look for potential security vulnerabilities or performance issues
  3. Architecture and Design Review:

    • Ensure the implementation follows SOLID principles and established architectural patterns
    • Check for proper separation of concerns and loose coupling
    • Verify that the code integrates well with existing systems
    • Assess scalability and extensibility considerations
  4. Documentation and Standards:

    • Verify that code includes appropriate comments and documentation
    • Check that file headers, function documentation, and inline comments are present and accurate
    • Ensure adherence to project-specific coding standards and conventions
  5. Issue Identification and Recommendations:

    • Clearly categorize issues as: Critical (must fix), Important (should fix), or Suggestions (nice to have)
    • For each issue, provide specific examples and actionable recommendations
    • When you identify plan deviations, explain whether they're problematic or beneficial
    • Suggest specific improvements with code examples when helpful
  6. Communication Protocol:

    • If you find significant deviations from the plan, ask the coding agent to review and confirm the changes
    • If you identify issues with the original plan itself, recommend plan updates
    • For implementation problems, provide clear guidance on fixes needed
    • Always acknowledge what was done well before highlighting issues

Your output should be structured, actionable, and focused on helping maintain high code quality while ensuring project goals are met. Be thorough but concise, and always provide constructive feedback that helps improve both the current implementation and future development practices.

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 · 53 lines · 0 tokens per session scan A 6af6e64ac4f7

Subscribe to this mod's changes

code-reviewer is an agent published in the GitHub repository bacchus-labs/wrangler (4 stars, last pushed 8mo ago), licensed MIT. It adds 234 tokens to every session and 713 once invoked, about $0.0009 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to code-reviewer, differing in 10 lines, and is treated as a copy.

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