vulnerability-scanner

vulnerability-scanner is a skill for Claude Code, Codex from phuonghx/aim-cli. It costs 78 tokens per session (1,732 once invoked), scanned A, original, MIT.

A security-review method that examines a project like an attacker, using the OWASP Top 10, a list of common web security risks, along with dependency, secret, code-pattern, and configuration checks.

In plain words
What is it for?
Use it to scan a project, map what an attacker could reach, review authentication and APIs, check data protection, and assess supply-chain risk.
Why use it?
It helps find weaknesses such as unsafe access rules, exposed secrets, risky dependencies, and insecure settings before they are exploited. It also provides a way to rank findings by likely impact.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to scan a project, map what an attacker could reach, review authentication and APIs, check data protection, and assess supply-chain risk.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/phuonghx/aim-cli/vulnerability-scanner
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 phuonghx/aim-cli --skill vulnerability-scanner
Clone the repo
git clone --depth 1 https://github.com/phuonghx/aim-cli

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 vulnerability-scanner

README.md
[![agentmods](https://agentmods.dev/badge/skills/phuonghx/aim-cli/vulnerability-scanner/github.svg)](https://agentmods.dev/skills/phuonghx/aim-cli/vulnerability-scanner)
Your own site
<a href="https://agentmods.dev/skills/phuonghx/aim-cli/vulnerability-scanner"><img src="https://agentmods.dev/badge/skills/phuonghx/aim-cli/vulnerability-scanner/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 vulnerability-scanner

Your own site · 80×15
<a href="https://agentmods.dev/skills/phuonghx/aim-cli/vulnerability-scanner"><img src="https://agentmods.dev/badge/skills/phuonghx/aim-cli/vulnerability-scanner.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 78 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,732 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 $0.00078 $0.01732
Opus 5.5 $0.00031 $0.00693
Sonnet 5.5 $0.00016 $0.00346
Haiku 4.5 $0.00008 $0.00173

Measured 1mo ago against content hash b96da61cd2c3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

vulnerability-scanner 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 1mo ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/security_scan.py), 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.

aim/templates/aim-agents/skills/vulnerability-scanner/SKILL.md · 199 lines

How it starts

The opening of the file, as written. The whole thing — 199 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Vulnerability Scanner

Reason like the attacker, then close the gap like the defender. Keep the current threat landscape in view.

Automation

Script What it does How to run
scripts/security_scan.py Checks deps, secrets, risky patterns, and config python scripts/security_scan.py <project_path>

Reference

File Contents
checklists.md Copy-ready checklists: OWASP, auth, API, data protection

The defender's mental model

Operating assumptions

  • Assume breach -- design as though an attacker is already inside.
  • Zero trust -- verify every request; trust nothing implicitly.
  • Layered defense -- no single control should be load-bearing.
  • Least privilege -- grant the minimum access that works.
  • Fail closed -- when something errors, deny rather than allow.

Frame the threat before scanning

  1. What's valuable here? (the assets)
  2. Who would come after it? (the actors)
  3. By what route? (the vectors)
  4. What does a successful hit cost the business? (the impact)

OWASP Top 10 (2025)

Code Category The core question
A01 Broken Access Control Who can reach what? Watch for IDOR and SSRF
A02 Security Misconfiguration Leftover defaults, missing headers, exposed services
A03 Software Supply Chain (new) Dependencies, CI/CD, build integrity
A04 Cryptographic Failures Weak crypto, leaked secrets
A05 Injection Untrusted input flowing into interpreters
A06 Insecure Design Flaws baked into the architecture
A07 Authentication Failures Sessions and credential handling
A08 Integrity Failures Unsigned updates, tampered data
A09 Logging & Alerting Blind spots, no monitoring
A10 Mishandling Exceptional Conditions (new) Error handling, fail-open behavior

What shifted from 2021

  • SSRF folded into Access Control (A01).
  • Misconfiguration rose in prominence with cloud and container defaults.
  • Supply chain promoted to its own category (A03) and a primary focus.
  • A new entry for exceptional-condition handling (A10).
  • Overall emphasis moved toward root causes over surface symptoms.

Read the full file on GitHub · 199 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. 1mo ago First seen · 199 lines · 78 tokens per session scan A b96da61cd2c3

Subscribe to this mod's changes

vulnerability-scanner is a skill published in the GitHub repository phuonghx/aim-cli (1 stars, last pushed 3mo ago), licensed MIT. It adds 78 tokens to every session and 1,732 once invoked, about $0.0003 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 2026-09-03.

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