07-security

07-security is a skill for Claude Code, Codex from IncommensurableHubris/fullstack-director. It costs 257 tokens per session (4,251 once invoked), scanned A, original, MIT.

A read-only security audit workflow based on OWASP, a widely used guide to common web and software security risks. It reviews a sprint or an entire codebase and produces a severity-based PASS, REMEDIATE, or BLOCK verdict.

In plain words
What is it for?
It helps inspect software for vulnerabilities, divide the review across OWASP risk areas, remove duplicate or false findings, assign severity, and decide whether release should proceed.
Why use it?
It gives a release process a structured security review while avoiding changes to the code during the audit.

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/incommensurablehubris/fullstack-director/07-security
Any agent
npx skills add IncommensurableHubris/fullstack-director --skill 07-security
Clone the repo
git clone --depth 1 https://github.com/IncommensurableHubris/fullstack-director

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 07-security

README.md
[![agentmods](https://agentmods.dev/badge/skills/incommensurablehubris/fullstack-director/07-security.svg)](https://agentmods.dev/skills/incommensurablehubris/fullstack-director/07-security)
Your own site
<a href="https://agentmods.dev/skills/incommensurablehubris/fullstack-director/07-security"><img src="https://agentmods.dev/badge/skills/incommensurablehubris/fullstack-director/07-security.svg" alt="Measured on agentmods" height="20"></a>
Per session 257 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,251 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00257 $0.04251
Opus 5 $0.00129 $0.02125
Sonnet 5 $0.00051 $0.00850
Haiku 4.5 $0.00026 $0.00425

Measured 4d ago against content hash ed2404f06f3c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

07-security scanned grade A with 0 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 4d ago.

The scan reads SKILL.md. This mod also ships 12 executable files (evals/build_fixture.py, evals/check_security.py, evals/fixtures/app/src/auth.js, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/07-security/SKILL.md · 178 lines

How it starts

The opening of the file, as written. The whole thing — 178 lines — stays where its author put it; the contents beside it link to each section on GitHub.

07 · Security — secure

Two modes. 07-security sprint N audits one sprint's surface (post-ship or pre-ship of that slice); 07-security full audits the whole codebase (pre-release / periodic). 07 is the deep security pass: a bounded parallel read-only OWASP panel whose findings a single sequential synthesizer reduces into docs/security/security-audit-sprint-NN.md with a machine-readable PASS / REMEDIATE / BLOCK verdict that 06-release's G6 gates the ship on. Your graded value is not "finds vulnerabilities" — a strong reviewer does that too (and cries wolf 68–97% of the time). It is the isolated, de-duplicated, false-positive-controlled, machine-verdicted audit a release gate can trust: a complete OWASP partition (no area silently dropped), each finding carrying a source_quote + a re-derived severity, read-only (the audit touched no code), routed to the owning skill.

Operating principle — partition completely, read blind, synthesize sequentially, verdict on severity

  • Panel — bounded, parallel, read-only, blind. A fixed complete partition of the OWASP areas across 4 readers (+ a conditional 5th for LLM/agentic), each seeded with only its area-slice + the code paths + a neutral, evidence-required prompt. Leading "find the vulnerability here" framing inflates false positives; neutral "analyze this code; cite file:line + the tainted source" is what controls them. Each reader is blind to the others and writes no code. Cap 3–5 (shared/subagent-protocol.md). Isolation is real only because the spawner is fresh.
  • Deterministic scanners under the panel. Where a runtime exists, run npm audit / osv-scanner, gitleaks, semgrep and feed results to the owning reader — the AI panel complements deterministic tools (it catches IDOR, authz gaps, business logic they miss). Their absence is recorded, never silently skipped.
  • Synthesizer — one sequential reduce, never parallel. De-dupe by target, take max severity, preserve every source_quote, build the risk matrix, and run the completeness lens ("which area returned zero findings — clean, or under-looked?"). A parallel merge would re-amplify error.
  • Verdict on severity, routed; honest about limits. PASS / REMEDIATE / BLOCK keyed to Critical/High presence (below), each finding routed to its owning skill. An AI audit is not a substitute for third-party penetration testing, and live-infrastructure hardening is out of the repo audit's reach — say both, don't pretend otherwise.

Read the full file on GitHub · 178 lines

Files

What ships with it

45 files 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. 4d ago First seen · 178 lines · 257 tokens per session scan A ed2404f06f3c

Subscribe to this mod's changes

07-security is a skill published in the GitHub repository IncommensurableHubris/fullstack-director (5 stars, last pushed 24d ago), licensed MIT. It adds 257 tokens to every session and 4,251 once invoked, about $0.0013 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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