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mcp-local-fetch

v1.0.2

Published

MCP server that provides fetch capabilities without robots.txt restrictions

Downloads

268

Readme

MCP Local Fetch

一个功能强大的 MCP (Model Context Protocol) 服务器,提供不受 robots.txt 限制的网页抓取功能。

功能特性

  • 支持所有标准 HTTP 方法(GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS)
  • 自定义请求头
  • 请求体支持
  • 重定向控制
  • 超时设置
  • 不遵循 robots.txt 限制
  • 返回完整的响应信息(状态码、响应头、响应体)

快速开始

方式一:使用 npx(推荐)

无需安装,直接在 Claude Desktop 配置文件中使用:

Windows - 编辑 %APPDATA%\Claude\claude_desktop_config.json:

{
  "mcpServers": {
    "local-fetch": {
      "command": "npx",
      "args": ["-y", "mcp-local-fetch"]
    }
  }
}

macOS - 编辑 ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "local-fetch": {
      "command": "npx",
      "args": ["-y", "mcp-local-fetch"]
    }
  }
}

Linux - 编辑 ~/.config/claude/claude_desktop_config.json:

{
  "mcpServers": {
    "local-fetch": {
      "command": "npx",
      "args": ["-y", "mcp-local-fetch"]
    }
  }
}

方式二:本地开发

如果你想修改源码或本地开发:

git clone https://github.com/yuandeshoulian/mcp-local-fetch.git
cd mcp-local-fetch
npm install
npm run build

然后在配置文件中指向本地路径:

{
  "mcpServers": {
    "local-fetch": {
      "command": "node",
      "args": ["path/to/mcp-local-fetch/dist/index.js"]
    }
  }
}

使用方法

服务器提供一个 fetch 工具,支持以下参数:

参数

  • url (必需): 要抓取的 URL
  • method (可选): HTTP 方法,默认 "GET"
    • 可选值: GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS
  • headers (可选): 自定义请求头对象
  • body (可选): 请求体(字符串格式)
  • follow_redirects (可选): 是否跟随重定向,默认 true
  • max_redirects (可选): 最大重定向次数,默认 20
  • timeout (可选): 请求超时时间(毫秒),默认 30000

示例

简单 GET 请求

{
  "url": "https://example.com"
}

POST 请求带自定义头和请求体

{
  "url": "https://api.example.com/data",
  "method": "POST",
  "headers": {
    "Content-Type": "application/json",
    "Authorization": "Bearer token123"
  },
  "body": "{\"key\": \"value\"}"
}

禁用重定向

{
  "url": "https://example.com",
  "follow_redirects": false
}

设置超时

{
  "url": "https://example.com",
  "timeout": 5000
}

响应格式

工具返回 JSON 格式的响应:

{
  "status": 200,
  "statusText": "OK",
  "headers": {
    "content-type": "text/html",
    "content-length": "1234"
  },
  "body": "响应内容...",
  "url": "https://example.com"
}

开发

构建

npm run build

开发模式(自动重新编译)

npm run dev

安全说明

此工具不遵循 robots.txt 限制,请负责任地使用:

  • 遵守目标网站的服务条款
  • 避免过于频繁的请求
  • 尊重网站的隐私政策
  • 仅用于合法目的

许可证

MIT

配合其他 MCP 使用

处理需要 JavaScript 渲染的网站

此 MCP 专注于简单快速的 HTTP 请求。对于需要 JavaScript 渲染的网站(如客户端渲染的 SPA),建议配合使用 Playwright MCP

{
  "mcpServers": {
    "local-fetch": {
      "command": "node",
      "args": ["E:\\workspace\\jasion\\jq-mcp\\mcp-local-fetch\\dist\\index.js"]
    },
    "playwright": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-playwright"]
    }
  }
}

使用场景:

  • mcp-local-fetch: 快速抓取静态 HTML、API 接口、简单网页
  • Playwright MCP: 抓取需要 JavaScript 渲染的网站(如魔搭社区、现代 SPA 应用)

注意事项

  • 默认使用浏览器 User-Agent 以提高兼容性
  • 自动处理超时和错误
  • 支持 HTTPS
  • 响应体始终以文本形式返回
  • 轻量级设计,启动快速,资源占用少