security-review

security-review is a skill for Claude Code from Nmor/the-claude-council. It costs 68 tokens per session (22,522 once invoked), scanned B, original, no licence file.

A security checklist and pattern guide for building features that handle authentication, user input, secrets, API requests, payments, or other sensitive data.

In plain words
What is it for?
It is for reviewing authentication, input handling, secret storage, API endpoints, payment flows, and sensitive features.
Why use it?
It helps developers spot common security problems while implementing code that could expose users or system resources.

Skill for Claude Code

Written for Claude Code: paths in frontmatter.

Good fit It is for reviewing authentication, input handling, secret storage, API endpoints, payment flows, and sensitive features.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/nmor/the-claude-council/security-review
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.

Any agent
npx skills add Nmor/the-claude-council --skill security-review
Clone the repo
git clone --depth 1 https://github.com/Nmor/the-claude-council

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 security-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/nmor/the-claude-council/security-review/github.svg)](https://agentmods.dev/skills/nmor/the-claude-council/security-review)
Your own site
<a href="https://agentmods.dev/skills/nmor/the-claude-council/security-review"><img src="https://agentmods.dev/badge/skills/nmor/the-claude-council/security-review/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 security-review

Your own site · 80×15
<a href="https://agentmods.dev/skills/nmor/the-claude-council/security-review"><img src="https://agentmods.dev/badge/skills/nmor/the-claude-council/security-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 68 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 22,522 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00068 $0.22522
Opus 5 $0.00034 $0.11261
Sonnet 5 $0.00014 $0.04504
Haiku 4.5 $0.00007 $0.02252

Measured 8d ago against content hash e2815490d1c6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade B, and why

security-review 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 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.

Reaches for credential filesmediumPrivilege escalation

SSH keys, cloud credentials, git-credentials, .npmrc, /etc/shadow: reading these is how a config file becomes a credential leak.

macOS Keychain via aws-vault. Never `~/.aws/credentials` in

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

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

| `fetch(user_url)` from server | A10 SSRF (CWE-918) | Allowlist hosts; block private IPs + IMDS |
skills/security-review/SKILL.md · 2,284 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

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. 8d ago First seen · 2,284 lines · 68 tokens per session scan B e2815490d1c6

Subscribe to this mod's changes

security-review is a skill published in the GitHub repository Nmor/the-claude-council (9 stars, last pushed 5d ago), with no licence file. It adds 68 tokens to every session and 22,522 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it B with 2 findings (reaches for credential files, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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