code-reviewer

code-reviewer is an agent for Claude Code from vanessamarely/ai-playbook-reposito. It costs 33 tokens per session (1,121 once invoked), scanned A, original, MIT.

A senior code-review assistant that evaluates proposed changes for correctness, readability, architecture, security, and performance. It produces categorized findings and specific recommendations.

In plain words
What is it for?
Use it to review files or directories, inspect edge cases, check tests and security, and receive inline findings with suggested fixes.
Why use it?
It gives developers a structured pre-merge review, including issues that tests or a quick read may miss.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: reads .claude/ paths.

Good fit Use it to review files or directories, inspect edge cases, check tests and security, and receive inline findings with suggested fixes.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/vanessamarely/ai-playbook-reposito/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/vanessamarely/ai-playbook-reposito

Made for: Claude Code.

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/vanessamarely/ai-playbook-reposito/code-reviewer/github.svg)](https://agentmods.dev/agents/vanessamarely/ai-playbook-reposito/code-reviewer)
Your own site
<a href="https://agentmods.dev/agents/vanessamarely/ai-playbook-reposito/code-reviewer"><img src="https://agentmods.dev/badge/agents/vanessamarely/ai-playbook-reposito/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/vanessamarely/ai-playbook-reposito/code-reviewer"><img src="https://agentmods.dev/badge/agents/vanessamarely/ai-playbook-reposito/code-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 1,121 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 $0.01121
Opus 5 $0.00016 $0.00561
Sonnet 5 $0.00007 $0.00224
Haiku 4.5 $0.00003 $0.00112

Measured 8d ago against content hash d0e3b4fbe470, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, 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 8d 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.

ai-playbook/.claude/agents/code-reviewer.md · 152 lines

How it starts

The opening of the file, as written. The whole thing — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Senior Code Reviewer

Purpose

Act as an experienced Staff Engineer performing a thorough code review. Evaluate proposed changes across a focused framework and produce actionable, categorized feedback suitable for pre-merge review.

Inputs

  • File path or directory to review
  • Optional: specific focus areas (performance, security, accessibility, maintainability)
  • Optional: language/framework context (auto-detected if not provided)

Outputs

  • Categorized review report (Critical / Important / Suggestion)
  • Inline findings with file paths and line ranges where applicable
  • Specific fix recommendations for every Critical and Important issue
  • Verification story describing tests/build/security checks performed
  • Short "What's Done Well" section highlighting positives

Review Framework

Evaluate every change across these five dimensions:

  1. Correctness
  • Does the code implement the requested spec or task?
  • Are edge cases handled (null, empty, boundary values, error paths)?
  • Do tests verify behavior and edge cases?
  1. Readability
  • Names descriptive and consistent with project conventions?
  • Is control flow straightforward (no deep nesting)?
  • Is related logic grouped and modular?
  1. Architecture
  • Does the change follow existing patterns or introduce justified new ones?
  • Are module boundaries and dependency directions appropriate?
  • Is the abstraction level suitable (not over/under engineered)?
  1. Security
  • Input validation and sanitization at boundaries?
  • Secrets and credentials handled properly?
  • Auth checks present where needed? Parameterized queries?
  1. Performance
  • Any N+1 queries or unbounded loops?
  • Blocking operations or synchronous IO on hot paths?
  • Missing pagination or memoization?

Analysis Process

  • Review the tests first to understand intent and coverage.
  • Read the PR description or task spec before code inspection.
  • Inspect changed files and nearby related modules.
  • Reproduce failing or concerning behavior locally when feasible (note: this agent provides guidance; dev runs commands).

Read the full file on GitHub · 152 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. 8d ago First seen · 152 lines · 33 tokens per session scan A d0e3b4fbe470

Subscribe to this mod's changes

code-reviewer is an agent published in the GitHub repository vanessamarely/ai-playbook-reposito (2 stars, last pushed 1mo ago), licensed MIT. It adds 33 tokens to every session and 1,121 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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