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jsowl

JsOwl —— Go 编写的 Web 安全信息收集利器。集 JavaScript 信息收集、API 端点提取、敏感信息扫描、攻击面梳理 于一体,同时提供 CLI 工具与 Go 库。内置 direct / browser / auto 三种采集模式,兼容 HaE 规则,支持登录态扫描、运行时交互、AI 辅助分析与 MCP Server,输出 JSON 与交互式 HTML 报告,是渗透测试、红队信息收集与 Web 安全测试的高效自动化方案。

Install / Use

claude mcp add Spade-sec -- npx -y github:Spade-sec/jsowl

If the server publishes to npm under a different name, use that package instead — check the repo README.

About this skill
🔌

MCP Server

Model Context Protocol server

Quality Score

81/100

Category

Security

Supported Platforms

Claude Code
Claude Desktop

Our assessment of jsowl

jsowl scores 81/100 on our quality scale, 984th of 1,106 Security skills we index.

Its MCP Server is 3.3 KB long, split into 6 sections with 4 code examples: a solid amount of guidance for an agent.

It has 43 GitHub stars, so there is little community track record yet; judge it on its content.

Substance
26/30
Structure
18/20
Description
15/15
Adoption
7/20
Freshness
15/15

Maintenance, license and trust

  • The repository was last updated 14 days ago, so jsowl is actively maintained.
  • No license is declared. By default that means all rights are reserved: you can read it, but reusing or redistributing it is not clearly permitted. Ask the author before building on it commercially.
  • Its trust signals score 85/100, with 1 caution from licensing, adoption, age or documentation. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.

Safety scan

No issues found

Our scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands.

Automated pattern scan on 2026-10-30. It catches known dangerous patterns, not every risk — read a skill before letting an agent act on it.

jsowl compared with similar skills

All 4 of these similar skills score higher than jsowl; compare them before choosing.

SkillScoreStarsUpdatedFormat
jsowl (this skill)by Spade-sec814314d agoMCP Server
Agent-Reachby Panniantong100106.4k5d agoCLAUDE.md
headroomby headroomlabs-ai10078.3ktodayCLAUDE.md
CowAgentby zhayujie10047.7ktodayCLAUDE.md
Scraplingby D4Vinci10090.4ktodayMCP Server

Frequently asked questions

How do I install jsowl?
Run claude mcp add Spade-sec -- npx -y github:Spade-sec/jsowl. The install tabs above show the steps for each supported agent.
Which AI agents does jsowl work with?
It is written for Claude Code and Claude Desktop, as a MCP Server file. Other agents that read the same format can often use it too.
Is jsowl safe to use?
Our scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. It declares no license and scores 85/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
Is jsowl still maintained?
The repository was last updated 14 days ago, so jsowl is actively maintained.

JsOwl — JavaScript 信息收集与敏感信息扫描器

Go Engine Report Rules Platform MCP

JsOwl 是一个使用 Go 编写的高性能 JavaScript 信息收集与安全分析工具,同时也是一个可复用的 Go 库。它自动收集目标站点的页面、JavaScript、Webpack/RequireJS chunk 与 SPA 运行时资源,通过正则与 AST(Tree-sitter)提取 API 端点、参数、路由和敏感信息(密钥、Token、身份证、内网 IP 等),并生成 JSON 与自包含的交互式 HTML 报告——是 Web 安全测试、渗透测试信息收集阶段和攻击面梳理的自动化利器。

免责声明:仅可用于已获得明确授权的安全测试环境。报告会保留完整敏感值,请严格限制访问并妥善清理。

核心能力

| 能力 | 说明 | |---|---| | 三种采集模式 | direct(高速 HTTP)/ browser(Rod 驱动本地 Chrome 渲染)/ auto(默认,先 direct 后按 SPA 信号自动升级浏览器) | | 深度资源发现 | 递归发现脚本、Webpack chunk、RequireJS 配置、框架路由与 API,支持 source map 还原原始源码 | | 敏感信息提取 | 兼容 HaE 规则格式,正则 + AST 双引擎,内置密钥/凭证/指纹规则集 | | 运行时交互 | 自动填表提交、事件点击、SPA 路由爬取,捕获页面真实发出的 API 请求(可选,默认关闭) | | 登录态扫描 | --login 打开可见浏览器手动登录后,携带会话 Cookie 完成整批扫描(可带 -u,也可不带 -u 在浏览器里自行导航) | | AI 辅助分析 | -ai 接入大模型做参数完整性与敏感发现评级(可选,需配置 API Key) | | MCP Server | 通过 Model Context Protocol 把扫描能力暴露给任意 LLM 客户端 | | 多格式报告 | JSON + 自包含交互式 HTML 总览与分项报告(API / URL / 敏感信息 / 参数 / 路由 / 资源)+ 纯文本清单 |

快速开始

需要 Go 1.25+ 与 C 编译器(JavaScript AST 使用 Tree-sitter,必须启用 CGO):

git clone https://github.com/youmulijiang/jsowl.git
cd jsowl
go build -o jsowl ./cmd/jsowl

扫描一个目标:

jsowl -u https://example.com                  # 基础扫描
jsowl -u https://example.com -m browser       # 强制浏览器渲染模式
jsowl -u https://example.com --login          # 手动登录后带会话扫描
jsowl --login                                 # 不指定 URL:打开浏览器自行导航,登录后扫描当前页
jsowl -u https://example.com --aff            # 开启运行时自动填表与交互
jsowl -l targets.txt -o reports               # 批量目标 + 自定义输出目录
jsowl --check                                 # 检查配置、规则与本地浏览器

扫描完成后在 jsowl-report/example.com/ 下生成 report.html(交互式总览入口)、report.json 与分项报告。

示例输出

https://example.com/ [18240] [200] [text/html; charset=utf-8]
[200] GET https://api.example.com/v2/user/info [runtime]
jsowl-report/
└── example.com/
    ├── report.html          # 交互式总览 + 分项报告导航
    ├── report.json          # 完整 JSON 结果
    ├── API报告.html / url.txt / 敏感信息.txt ...
    └── js/                  # 下载保存的脚本与 chunk

文档

| 文档 | 内容 | |---|---| | CLI 用法 | 全部命令行参数、目标配置、登录扫描、AI 分析 | | 配置指南 | 配置分层加载、浏览器选项、作用域控制、代理与请求头 | | 自定义规则 | HaE 兼容规则与 JsOwl 原生规则格式、规则加载优先级 | | 报告输出 | 报告目录结构、各分项报告说明、下载保存策略 | | Go 库与 MCP | 作为库集成、批量扫描、MCP Server 接入 | | 开发与构建 | 构建要求、测试、架构与运行时流程 |

生态

Related Skills

View on GitHub
GitHub Stars43
CategorySecurity
Updated14d ago
Forks5

Languages

Go

Trust signals

85/100

From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.

1 medium1 info