Agent skill

security-scan

使用AgentShield扫描您的Claude代码配置(.claude/目录),以发现安全漏洞、配置错误和注入风险。检查CLAUDE.md、settings.json、MCP服务器、钩子和代理定义。

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Install this agent skill to your Project

npx add-skill https://github.com/affaan-m/everything-claude-code/tree/main/docs/zh-CN/skills/security-scan

SKILL.md

安全扫描技能

使用 AgentShield 审计您的 Claude Code 配置中的安全问题。

何时激活

  • 设置新的 Claude Code 项目时
  • 修改 .claude/settings.jsonCLAUDE.md 或 MCP 配置后
  • 提交配置更改前
  • 加入具有现有 Claude Code 配置的新代码库时
  • 定期进行安全卫生检查时

扫描内容

文件 检查项
CLAUDE.md 硬编码的密钥、自动运行指令、提示词注入模式
settings.json 过于宽松的允许列表、缺失的拒绝列表、危险的绕过标志
mcp.json 有风险的 MCP 服务器、硬编码的环境变量密钥、npx 供应链风险
hooks/ 通过 ${file} 插值导致的命令注入、数据泄露、静默错误抑制
agents/*.md 无限制的工具访问、提示词注入攻击面、缺失的模型规格

先决条件

必须安装 AgentShield。检查并在需要时安装:

bash
# Check if installed
npx ecc-agentshield --version

# Install globally (recommended)
npm install -g ecc-agentshield

# Or run directly via npx (no install needed)
npx ecc-agentshield scan .

使用方法

基础扫描

针对当前项目的 .claude/ 目录运行:

bash
# Scan current project
npx ecc-agentshield scan

# Scan a specific path
npx ecc-agentshield scan --path /path/to/.claude

# Scan with minimum severity filter
npx ecc-agentshield scan --min-severity medium

输出格式

bash
# Terminal output (default) — colored report with grade
npx ecc-agentshield scan

# JSON — for CI/CD integration
npx ecc-agentshield scan --format json

# Markdown — for documentation
npx ecc-agentshield scan --format markdown

# HTML — self-contained dark-theme report
npx ecc-agentshield scan --format html > security-report.html

自动修复

自动应用安全的修复(仅修复标记为可自动修复的问题):

bash
npx ecc-agentshield scan --fix

这将:

  • 用环境变量引用替换硬编码的密钥
  • 将通配符权限收紧为作用域明确的替代方案
  • 绝不修改仅限手动修复的建议

Opus 4.6 深度分析

运行对抗性的三智能体流程以进行更深入的分析:

bash
# Requires ANTHROPIC_API_KEY
export ANTHROPIC_API_KEY=your-key
npx ecc-agentshield scan --opus --stream

这将运行:

  1. 攻击者(红队) — 寻找攻击向量
  2. 防御者(蓝队) — 建议加固措施
  3. 审计员(最终裁决) — 综合双方观点

初始化安全配置

从头开始搭建一个新的安全 .claude/ 配置:

bash
npx ecc-agentshield init

创建:

  • 具有作用域权限和拒绝列表的 settings.json
  • 遵循安全最佳实践的 CLAUDE.md
  • mcp.json 占位符

GitHub Action

添加到您的 CI 流水线中:

yaml
- uses: affaan-m/agentshield@v1
  with:
    path: '.'
    min-severity: 'medium'
    fail-on-findings: true

严重性等级

等级 分数 含义
A 90-100 安全配置
B 75-89 轻微问题
C 60-74 需要注意
D 40-59 显著风险
F 0-39 严重漏洞

结果解读

关键发现(立即修复)

  • 配置文件中硬编码的 API 密钥或令牌
  • 允许列表中存在 Bash(*)(无限制的 shell 访问)
  • 钩子中通过 ${file} 插值导致的命令注入
  • 运行 shell 的 MCP 服务器

高优先级发现(生产前修复)

  • CLAUDE.md 中的自动运行指令(提示词注入向量)
  • 权限配置中缺少拒绝列表
  • 具有不必要 Bash 访问权限的代理

中优先级发现(建议修复)

  • 钩子中的静默错误抑制(2>/dev/null|| true
  • 缺少 PreToolUse 安全钩子
  • MCP 服务器配置中的 npx -y 自动安装

信息性发现(了解情况)

  • MCP 服务器缺少描述信息
  • 正确标记为良好实践的限制性指令

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