code-review

A code-review assistant that examines code for security problems, performance issues, bugs, and maintainability concerns.

In plain words
What is it for?
Use it to review a change, check a codebase for bugs, or audit its security, speed, and long-term readability.
Why use it?
It helps find risks and defects before they reach users, while also highlighting code that may be difficult to change later.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/msober/mini-agent/code-review
Any agent
npx skills add msober/mini-agent --skill code-review
Clone the repo
git clone --depth 1 https://github.com/msober/mini-agent

Made for: Claude Code, Codex.

Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,103 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin unknown 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 $0.00035 $0.01103
Opus 5 $0.00017 $0.00551
Sonnet 5 $0.00007 $0.00221
Haiku 4.5 $0.00003 $0.00110

Measured 2d ago against content hash a64c8c43b496, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

code-review scanned grade A 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 2d 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.

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

os.system(f"ls {user_input}")
skills/code-review/SKILL.md · 158 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 2d ago First seen · 158 lines · 35 tokens per session scan A a64c8c43b496

Subscribe to this mod's changes

code-review is a skill published in the GitHub repository msober/mini-agent (38 stars, last pushed 5mo ago), with no licence file. It adds 35 tokens to every session and 1,103 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.