security-reviewer

A code-review agent that looks for security weaknesses in code handling user input, logins, web endpoints, or sensitive information.

In plain words
What is it for?
Use it after building authentication, API endpoints, or data-handling code to find and fix vulnerabilities from the OWASP Top 10, a list of common web application risks.
Why use it?
It helps catch exposed secrets, injection attacks, unsafe cryptography, server-side request forgery, and other common web security problems before they reach users.

Agent

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 agents/worldflowai/everything-claude-code/security-reviewer
Clone the repo
git clone --depth 1 https://github.com/WorldFlowAI/everything-claude-code
Per session 52 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,440 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 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 $0.00052 $0.03440
Opus 5 $0.00026 $0.01720
Sonnet 5 $0.00010 $0.00688
Haiku 4.5 $0.00005 $0.00344

Measured 2d ago against content hash d18092f4a6c4, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

security-reviewer scanned grade A 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 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.

Makes network callslowCapability

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

const response = await fetch(userProvidedUrl)

Runs shell commandslowCapability

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

const { exec } = require('child_process')
agents/security-reviewer.md · 546 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 · 546 lines · 52 tokens per session scan A d18092f4a6c4

Subscribe to this mod's changes

security-reviewer is an agent published in the GitHub repository WorldFlowAI/everything-claude-code (1,942 stars, last pushed 7mo ago), with no licence file. It adds 52 tokens to every session and 3,440 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 2 findings (makes network calls, runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.