security-reviewer

security-reviewer is a skill for Claude Code, Codex from ralvarezdev/ralvaskills. It costs 62 tokens per session (2,230 once invoked), scanned B, original, GPL-3.0.

A security review assistant for software written in different programming languages. It looks for common security weaknesses and produces a report grouped by severity, with file locations and suggested fixes.

In plain words
What is it for?
Use it to audit a pull request or prepare a release by checking for injection, authentication and authorisation errors, exposed secrets, unsafe data handling, and related issues.
Why use it?
It helps find vulnerabilities before a change is merged or released, including problems with access control, secrets, user input, requests, and dependencies.

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/ralvarezdev/ralvaskills/security-reviewer
Any agent
npx skills add ralvarezdev/ralvaskills --skill security-reviewer
Clone the repo
git clone --depth 1 https://github.com/ralvarezdev/ralvaskills

Made for: Claude Code, Codex.

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 security-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/skills/ralvarezdev/ralvaskills/security-reviewer.svg)](https://agentmods.dev/skills/ralvarezdev/ralvaskills/security-reviewer)
Your own site
<a href="https://agentmods.dev/skills/ralvarezdev/ralvaskills/security-reviewer"><img src="https://agentmods.dev/badge/skills/ralvarezdev/ralvaskills/security-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 62 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,230 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. 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 $0.00062 $0.02230
Opus 5 $0.00031 $0.01115
Sonnet 5 $0.00012 $0.00446
Haiku 4.5 $0.00006 $0.00223

Measured 3d ago against content hash 4292e39170e6, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

security-reviewer scanned grade B with 2 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 3d 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.

Cloud metadata endpointmediumServer-side request forgery

One request to 169.254.169.254 can return temporary IAM credentials.

- **SSRF:** outbound HTTP from server-side code that takes a user-supplied URL must validate — block private IP ranges (`10.0.0.0/8`, `192.168.0.0/16`, `127.0.0.0/8`, `169.254.169.254` AWS metadata), enforce HTTPS, restr

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

Runs shell commandslowCapability

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

- **Command injection.** Any `subprocess.run(..., shell=True)`, `os.system`, `exec.Command("sh", "-c", userInput)`. Use list-form args.
skills/quality/security-reviewer/SKILL.md · 115 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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.

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. 3d ago First seen · 115 lines · 62 tokens per session scan B 4292e39170e6

Subscribe to this mod's changes

security-reviewer is a skill published in the GitHub repository ralvarezdev/ralvaskills (2 stars, last pushed 24d ago), licensed GPL-3.0. It adds 62 tokens to every session and 2,230 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it B with 2 findings (cloud metadata endpoint, runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.