pos-ai: Skill for Claude Code

.claude/skills/security-audit/SKILL.md

security-audit is a skill for Claude Code from abuango/pos-ai. It costs 48 tokens per session (815 once invoked), scanned A, original, MIT.

A procedure for reviewing a codebase for security weaknesses using the OWASP Top 10, a common list of web-application security risks. It covers access control, encryption, injection, authentication, dependencies, and related areas.

In plain words
What is it for?
Use it to identify the target project, review its technology and sensitive areas, check common vulnerability patterns, and write a dated security-audit report.
Why use it?
It provides a repeatable security review process instead of relying on an ad hoc inspection. It also specifies where to record findings and which project context to check first.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

This is abuango/pos-ai's own configuration. It tells Claude Code how to work on pos-ai itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything pos-ai configures →

Reuse

Borrowing it

Nothing to install: this file belongs to abuango/pos-ai. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/abuango/pos-ai/main/.claude/skills/security-audit/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/abuango/pos-ai

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-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/abuango/pos-ai/security-audit/github.svg)](https://agentmods.dev/skills/abuango/pos-ai/security-audit)
Your own site
<a href="https://agentmods.dev/skills/abuango/pos-ai/security-audit"><img src="https://agentmods.dev/badge/skills/abuango/pos-ai/security-audit/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-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/abuango/pos-ai/security-audit"><img src="https://agentmods.dev/badge/skills/abuango/pos-ai/security-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 815 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00048 $0.00815
Opus 5.5 $0.00019 $0.00326
Sonnet 5.5 $0.00010 $0.00163
Haiku 4.5 $0.00005 $0.00081

Measured 2mo ago against content hash 06c8739b0121, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

security-audit 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 2mo 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.

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.

.claude/skills/security-audit/SKILL.md · 111 lines

How it starts

The opening of the file, as written. The whole thing — 111 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Security Audit

Setup

Before starting: check .handoff/sessions/ for active sessions, read context status.yaml, run git status. Follow .rules/universal.md (Plan -> Approve -> Execute).

Perform security audits following OWASP Top 10 methodology.

Process

  1. Identify Target

    • Get workspace path from project.yaml
    • Understand technology stack
    • Identify sensitive areas (auth, payments, data)
  2. Systematic Review

  3. Document Findings

    • Save to: teams/{team}/projects/{project}/reviews/security-audit-{date}.md

Quick OWASP Reference

ID Category Key Check
A01 Broken Access Control Auth on all endpoints
A02 Cryptographic Failures No hardcoded secrets
A03 Injection Parameterized queries
A04 Insecure Design Rate limiting
A05 Security Misconfiguration Debug mode off
A06 Vulnerable Components npm audit / pip-audit
A07 Authentication Failures Strong passwords, lockout
A08 Data Integrity Safe serialization
A09 Logging & Monitoring Security events logged
A10 SSRF URL validation

For detailed checklists and search patterns: references/owasp-top10.md

Critical Search Commands

# Hardcoded secrets
grep -rE "(password|secret|key|token)\s*=\s*['\"][^'\"]+['\"]"

# SQL injection risks
grep -rE "whereRaw|selectRaw|DB::raw|execute\(" --include="*.php" --include="*.py"

# Command injection
grep -rE "exec\(|system\(|shell_exec"

# XSS risks
grep -rE "innerHTML|v-html|dangerouslySetInnerHTML"

Report Template

# Security Audit Report

**Project:** {project-name}
**Date:** {YYYY-MM-DD}
**Risk Level:** CRITICAL / HIGH / MEDIUM / LOW

## Summary
- {X} Critical, {Y} High, {Z} Medium, {N} Low findings

## Critical Findings

### Finding 1: {Title}
- **Severity:** CRITICAL
- **Location:** {file:line}
- **Description:** {What's wrong}
- **Impact:** {What could happen}
- **Fix:** {How to fix}

## OWASP Compliance

| Category | Status |
|----------|--------|
| A01-A10  | PASS/FAIL |

## Recommendations

### Immediate (Critical/High)
1. {Action}

### Short-term (Medium)
1. {Action}

Read the full file on GitHub · 111 lines

Files

What ships with it

2 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. 2mo ago First seen · 111 lines · 48 tokens per session scan A 06c8739b0121

Subscribe to this mod's changes

security-audit is a skill published in the GitHub repository abuango/pos-ai (2 stars, last pushed 7mo ago), licensed MIT. It adds 48 tokens to every session and 815 once invoked, about $0.0002 per session on Opus 5.5. 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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