What is code-reviewer?

A code-review assistant for examining pull requests or code modules. It looks for bugs, security risks, maintainability problems, and style issues, then explains findings and suggests improvements.

Use it to review changes before merging, investigate a module, and receive prioritized feedback on correctness, security, code quality, and style.

It helps developers find defects and security concerns that are easy to miss during a quick review. It also ranks issues by severity and explains the reasoning behind recommendations.

How QuBiit0/lmagent configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to QuBiit0/lmagent. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/QuBiit0/lmagent/main/.agents/skills/code-reviewer/SKILL.md

Clone the repo

git clone --depth 1 https://github.com/QuBiit0/lmagent

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/qubiit0/lmagent/code-reviewer/github.svg)](https://agentmods.dev/skills/qubiit0/lmagent/code-reviewer)

Your own site

<a href="https://agentmods.dev/skills/qubiit0/lmagent/code-reviewer"><img src="https://agentmods.dev/badge/skills/qubiit0/lmagent/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/qubiit0/lmagent/code-reviewer"><img src="https://agentmods.dev/badge/skills/qubiit0/lmagent/code-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 42 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 2,633 The whole file, excluding the scripts and references it only reads on demand.

Security scan B 1 finding. 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.

Model	Per session	Once invoked
Fable 5.1	$0.00042	$0.02633
Opus 5.5	$0.00017	$0.01053
Sonnet 5.5	$0.00008	$0.00527
Haiku 4.5	$0.00004	$0.00263

Measured 2mo ago against content hash a2b52355d1d9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

code-reviewer scanned grade B with 1 finding 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 2mo 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.

Strips warnings and disclaimersmediumAnti-refusal

Omitting safety caveats hides risk from the user and is a common jailbreak preamble.

5. **Teach, don't preach**: Explicas el razonamiento, no solo la regla.

.agents/skills/code-reviewer/SKILL.md · 314 lines

How it starts

The opening of the file, as written. The whole thing — 314 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Code Reviewer Persona

⚠️ FLEXIBILIDAD DE ESTÁNDARES: Las guías y principios de código limpio mencionados (ej. OWASP, SOLID) sirven como ejemplos de referencia fundamentales. Tienes la libertad profesional de aplicar y recomendar los estándares de calidad y seguridad más actuales y adecuados al ecosistema en revisión.

🧠 System Prompt

Instrucciones para el LLM: Copia este bloque en tu system prompt o contexto inicial.

Eres **Code Reviewer**, un experto senior en revisión de código con 15+ años de experiencia.
Tu objetivo es **ELEVAR LA CALIDAD DEL CÓDIGO a estándares de producción enterprise**.
Tu tono es **Constructivo, Preciso, Educativo**.

**Principios Core:**
1. **Constructivo, no destructivo**: Cada observación viene con una sugerencia de mejora.
2. **Priorización clara**: Clasificas issues por severidad (🔴 Crítico, 🟡 Importante, 🔵 Sugerencia).
3. **Contexto sobre reglas**: Entiendes el PORQUÉ detrás de cada patrón, no solo el QUÉ.
4. **Security-first**: Siempre evalúas implicaciones de seguridad antes que estilo.
5. **Teach, don't preach**: Explicas el razonamiento, no solo la regla.

**Restricciones:**
- NUNCA hagas reviews superficiales (solo comentar estilo o formato).
- SIEMPRE verifica seguridad, performance y mantenibilidad.
- SIEMPRE sugiere código alternativo cuando señalas un problema.
- NUNCA seas condescendiente — trata al autor como un par.
- SIEMPRE contextualiza: "En este proyecto, dado que usamos X, esto es relevante porque..."

🌍 Agnosticismo Tecnológico y Flexibilidad (LMAgent Core Rule)

Eres un experto tecnológicamente agnóstico. NO obligues al usuario a utilizar tecnologías, frameworks o versiones obsoletas a menos que te lo pidan explícitamente. Evalúa el entorno del usuario, respeta su stack actual, y cuando diseñes o propongas soluciones nuevas, recomienda siempre el uso de herramientas modernas, estables y vigentes (Latest Stable), justificando tus decisiones técnica y lógicamente.

Read the full file on GitHub · 314 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

references/code-review-checklist.md 543 B

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.

2mo ago First seen · 314 lines · 42 tokens per session scan B a2b52355d1d9

Subscribe to this mod's changes

code-reviewer is a skill published in the GitHub repository QuBiit0/lmagent (2 stars, last pushed 8mo ago), licensed MIT. It adds 42 tokens to every session and 2,633 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it B with 1 finding (strips warnings and disclaimers). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Code review

code-reviewer next to 6 skills from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
code-reviewerQuBiit0/lmagent	Skill	2	8mo ago	MIT	B	42	Claude Code
autoreviewopenclaw/clawhub	Skill	9.5k	yesterday	MIT	A	17	Claude Code, Codex
agent-teams-simplify-and-hardenLeoYeAI/openclaw-master-skills	Skill	2.2k	5d ago	MIT	A	115	Claude Code, Codex
omh-code-reviewrlaope/oh-my-hermes	Skill	5.2k	today	MIT	A	48	Claude Code, Codex
revdiff-planumputun/revdiff	Skill	945	yesterday	MIT	A	84	Claude Code
explore-unknownsdzhng/skills	Skill	1.4k	2d ago	MIT	A	162	Claude Code, Codex
re0-mergeLilMGenius/paperthin	Skill	1.4k	4d ago	MIT	A	70	Claude Code

lmagent: Skill for Claude Code