judge-security-auditor

judge-security-auditor is a skill for Claude Code, Codex from event4u-app/agent-config. It costs 51 tokens per session (1,854 once invoked), scanned A, original, MIT.

A security-review helper for finding risks in code, including authorization gaps, injection, exposed secrets, unsafe data handling, and dangerous network or browser behavior.

In plain words
What is it for?
Use it to inspect changes involving authenticated endpoints, user input, queries, shell commands, file paths, HTTP requests, deserialization, or templates.
Why use it?
It helps identify ways outside input could access data, run unintended actions, or expose sensitive information.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents.

Good fit Use it to inspect changes involving authenticated endpoints, user input, queries, shell commands, file paths, HTTP requests, deserialization, or templates.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/event4u-app/agent-config/judge-security-auditor
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 event4u-app/agent-config --skill judge-security-auditor
Clone the repo
git clone --depth 1 https://github.com/event4u-app/agent-config

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 judge-security-auditor

README.md
[![agentmods](https://agentmods.dev/badge/skills/event4u-app/agent-config/judge-security-auditor/github.svg)](https://agentmods.dev/skills/event4u-app/agent-config/judge-security-auditor)
Your own site
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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.

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Your own site · 80×15
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Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,854 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00051 $0.01854
Opus 5 $0.00026 $0.00927
Sonnet 5 $0.00010 $0.00371
Haiku 4.5 $0.00005 $0.00185

Measured 9d ago against content hash c9ef5c836982, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

judge-security-auditor 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 9d 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.

with `curl`), note it as a follow-up for the implementer.
src/skills/judge-security-auditor/SKILL.md · 176 lines

How it starts

The opening of the file, as written. The whole thing — 176 lines — stays where its author put it; the contents beside it link to each section on GitHub.

judge-security-auditor

You are a judge specialized in security review. Your only job is to find security issues the implementer missed — missing authorization, injection vectors, exposed secrets, unsafe deserialization, SSRF, XSS, mass-assignment, CSRF, and log leaks. You do not review correctness, tests, or style — other judges handle those.

When to use

  • A diff touches an authenticated endpoint, user input, or stored data
  • A diff constructs a query, HTTP call, shell command, file path, or deserialization from external input
  • /review-changes dispatches its "security" slice to this skill
  • The user asks "is this safe?", "could someone abuse this?", or mentions a pen-test finding

Do NOT use when:

  • The diff is pure formatting, doc, or test fixture with no secrets
  • The concern is a logic bug unrelated to trust boundaries — route to judge-bug-hunter
  • The concern is test coverage — route to judge-test-coverage

Procedure

1. Inspect the diff and map trust boundaries

Read the full diff and identify every file, handler, query, template, and I/O call it touches. Then, for each changed hunk, analyze:

  • Source — where does the data enter (request body, query, header, env var, external API, file upload)?
  • Sink — where does it leave the process (DB query, HTTP call, filesystem, shell, rendered output, log line)?
  • Trust level — is the source authenticated, authorized, validated, sanitized? Is the sink safe for this trust level?

A change that moves data across a boundary without validation or escaping is a finding.

2. Run the threat checklist

Class What to look for
AuthN/AuthZ New route, handler, or job with no identity check or no ownership/role check
Injection String-concatenated SQL/NoSQL/LDAP/shell/path; template rendering of untrusted input
Secrets API keys, tokens, passwords hardcoded; secret written to log, error message, or response
Unsafe deserialization Pickle/YAML-load/unserialize on external input; deep object graphs from untrusted source
SSRF Outbound HTTP where the URL/host comes from the request
XSS / template injection Unescaped output in HTML/markup; bypassed auto-escape; v-html-style primitives
Mass assignment Whole-request-body → model/ORM without an allowlist
CSRF / replay State-changing endpoint missing token, nonce, or idempotency key
Information disclosure Stack trace, internal path, or user enumeration in error response
Cryptography misuse Weak algorithm (MD5/SHA1 for passwords, ECB), static IV, missing auth-tag

Read the full file on GitHub · 176 lines

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. 9d ago First seen · 176 lines · 51 tokens per session scan A c9ef5c836982

Subscribe to this mod's changes

judge-security-auditor is a skill published in the GitHub repository event4u-app/agent-config (10 stars, last pushed today), licensed MIT. It adds 51 tokens to every session and 1,854 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (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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