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Security audit

Claude Config Linter

Security checks for vulnerabilities and agentic risk

Overview

This skill is a small, disclosed Claude Code configuration linter that reads expected local config files and does not include hidden code, persistence, network use, or mutation behavior.

Install only if you are comfortable letting the cclint CLI read your local Claude Code configuration. Review the separate cclint package before installing it, because this skill only references that dependency and does not include its implementation.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

Agent Config Directory Access

High
Category
Agent Snooping
Confidence
90% confidence
Finding

Skill reads from agent configuration directories (.claude/, .codex/, .gemini/). These directories may contain API keys, personal settings, and other credentials that the skill has no legitimate need to access.

Content

Scanner excerpt · SKILL.md (reported line 6)May include surrounding context.

md
description: Lint your Claude Code config for token waste. Checks CLAUDE.md, hooks, skills, and commands. Gives health score and actionable fixes. Use when user asks about config optimization or token waste.
config_paths:
  - ~/.claude/CLAUDE.md
  - ~/.claude/settings.json
  - ~/.claude/skills/
  - ~/.claude/commands/
requires:

Static analysis

No suspicious patterns detected.