config-security-scan

config-security-scan is a skill for Claude Code from jassics/awesome-claude-security. It costs 114 tokens per session (1,124 once invoked), scanned A, original, GPL-3.0.

A security review for Claude Code and AI-agent configuration files. It checks settings such as hooks, permissions, MCP servers, secrets, agents, skills, and instruction files.

In plain words
What is it for?
Use it to audit a .claude directory and identify security misconfigurations in an AI-agent setup.
Why use it?
It can reveal configuration choices that give agents too much access, expose secrets, connect to unsafe services, or allow prompt injection.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the claude-config-security plugin — 2 skills shipped together

Good fit Use it to audit a .claude directory and identify security misconfigurations in an AI-agent setup.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jassics/awesome-claude-security/config-security-scan
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 jassics/awesome-claude-security --skill config-security-scan
Clone the repo
git clone --depth 1 https://github.com/jassics/awesome-claude-security

Made for: Claude Code.

Or install claude-config-security, the plugin that ships this one along with the rest of its 2 skills.

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 config-security-scan

README.md
[![agentmods](https://agentmods.dev/badge/skills/jassics/awesome-claude-security/config-security-scan/github.svg)](https://agentmods.dev/skills/jassics/awesome-claude-security/config-security-scan)
Your own site
<a href="https://agentmods.dev/skills/jassics/awesome-claude-security/config-security-scan"><img src="https://agentmods.dev/badge/skills/jassics/awesome-claude-security/config-security-scan/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 config-security-scan

Your own site · 80×15
<a href="https://agentmods.dev/skills/jassics/awesome-claude-security/config-security-scan"><img src="https://agentmods.dev/badge/skills/jassics/awesome-claude-security/config-security-scan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 114 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,124 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.
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 5.1 $0.00114 $0.01124
Opus 5 $0.00057 $0.00562
Sonnet 5 $0.00023 $0.00225
Haiku 4.5 $0.00011 $0.00112

Measured 9d ago against content hash 5f893123725d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

config-security-scan 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.

Unrestricted tool accesslowExcessive agency

A wildcard tool grant or "run any command" leaves no least-privilege boundary at all.

HTTPS, drop an over-privileged agent's `tools: *`, or remove injected steering.

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

plugins/claude-config-security/skills/config-security-scan/SKILL.md · 79 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

1 file 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. 9d ago First seen · 79 lines · 114 tokens per session scan A 5f893123725d

Subscribe to this mod's changes

config-security-scan is a skill published in the GitHub repository jassics/awesome-claude-security (6 stars, last pushed 1mo ago), licensed GPL-3.0. It adds 114 tokens to every session and 1,124 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 1 finding (unrestricted tool access). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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