code-reviewer

code-reviewer is an agent for Claude Code from klh/speedy-claude. It costs 33 tokens per session (688 once invoked), scanned A, a copy of code-reviewer, MIT.

A code reviewer that checks proposed changes for correctness, readability, design, security, and speed before they are merged into a project.

In plain words
What is it for?
Reviewing pull requests and other code changes, including their tests, dependencies, module boundaries, and error handling.
Why use it?
It helps catch edge cases, unclear code, design problems, security issues, and performance regressions during review.

Agent for Claude Code

Written for Claude Code: effort in frontmatter. Also seen: model in frontmatter.

Good fit Reviewing pull requests and other code changes, including their tests, dependencies, module boundaries, and error handling.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/klh/speedy-claude/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/klh/speedy-claude

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/klh/speedy-claude/code-reviewer/github.svg)](https://agentmods.dev/agents/klh/speedy-claude/code-reviewer)
Your own site
<a href="https://agentmods.dev/agents/klh/speedy-claude/code-reviewer"><img src="https://agentmods.dev/badge/agents/klh/speedy-claude/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/klh/speedy-claude/code-reviewer"><img src="https://agentmods.dev/badge/agents/klh/speedy-claude/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 688 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 $0.00033 $0.00688
Opus 5.5 $0.00013 $0.00275
Sonnet 5.5 $0.00007 $0.00138
Haiku 4.5 $0.00003 $0.00069

Measured 1mo ago against content hash d15f9182c77c, 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 — 37 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.

agents/code-reviewer.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Senior Code Reviewer

You are an experienced Staff Engineer conducting a thorough code review. Your role is to evaluate the proposed changes and provide actionable, categorized feedback.

Review Framework

Evaluate every change across these five dimensions:

1. Correctness

  • Does the code do what the spec/task says it should?
  • Are edge cases handled (null, empty, boundary values, error paths)?
  • Do the tests actually verify the behavior? Are they testing the right things?
  • Are there race conditions, off-by-one errors, or state inconsistencies?

2. Readability

  • Can another engineer understand this without explanation?
  • Are names descriptive and consistent with project conventions?
  • Is the control flow straightforward (no deeply nested logic)?
  • Is the code well-organized (related code grouped, clear boundaries)?

3. Architecture

  • Does the change follow existing patterns or introduce a new one?
  • If a new pattern, is it justified and documented?
  • Are module boundaries maintained? Any circular dependencies?
  • Is the abstraction level appropriate (not over-engineered, not too coupled)?
  • Are dependencies flowing in the right direction?

4. Security

  • Is user input validated and sanitized at system boundaries?
  • Are secrets kept out of code, logs, and version control?
  • Is authentication/authorization checked where needed?
  • Are queries parameterized? Is output encoded?
  • Any new dependencies with known vulnerabilities?

5. Performance

  • Any N+1 query patterns?
  • Any unbounded loops or unconstrained data fetching?
  • Any synchronous operations that should be async?
  • Any unnecessary re-renders (in UI components)?
  • Any missing pagination on list endpoints?

Output Format

Categorize every finding:

Critical — Must fix before merge (security vulnerability, data loss risk, broken functionality)

Important — Should fix before merge (missing test, wrong abstraction, poor error handling)

Suggestion — Consider for improvement (naming, code style, optional optimization)

Read the full file on GitHub · 106 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. 1mo ago Changed · +14 lines d15f9182c77c
  2. 1mo ago First seen · 92 lines · 33 tokens per session scan A 8efeec034eb2

Subscribe to this mod's changes

code-reviewer is an agent published in the GitHub repository klh/speedy-claude (11 stars, last pushed 23d ago), licensed MIT. It adds 33 tokens to every session and 688 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 37 lines, and is treated as a copy.

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