WeChat Article Extractor

WeChat Article Extractor

Extracts title, author, and content (in Markdown format) from WeChat official account articles via URL, supporting both MCP stdio and HTTP server modes.

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README

微信公众号文章信息提取服务

这是一个基于Python的微信公众号文章信息提取服务,支持两种模式:

  1. MCP Server模式 (基于stdio通信)
  2. HTTP Server模式 (基于HTTP通信)

功能特性

  • 提取微信公众号文章的标题
  • 提取文章作者信息
  • 提取文章正文内容(以Markdown格式返回)

安装依赖

pip install -r requirements.txt

本地测试

在正式使用服务之前,可以先运行简单的测试脚本验证功能:

python simple_test.py

或者使用交互式测试脚本:

python test_extractor.py

MCP协议说明

MCP(Model Context Protocol)使用JSON-RPC 2.0标准进行通信,所有请求和响应均为JSON格式。

通信示例

工具列表请求

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list",
  "params": {}
}

工具调用请求

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "extract_article_info",
    "arguments": {
      "url": "https://mp.weixin.qq.com/s/example"
    }
  }
}

响应格式

{
  "jsonrpc": "2.0",
  "id": 2,
  "result": {
    "title": "文章标题",
    "author": "作者",
    "content": "# Markdown格式内容..."
  }
}

启动服务

MCP Server模式 (stdio通信)

python mcp_server.py

服务将通过stdio与客户端通信,需要使用支持MCP协议的客户端来调用。

HTTP Server模式 (HTTP通信)

python http_mcp_server.py

服务将在 http://localhost:5002 上运行。

API接口

提取文章信息

POST /extract

请求体:

{
  "url": "微信公众号文章链接"
}

响应:

{
  "title": "文章标题",
  "author": "作者",
  "content": "文章内容(Markdown格式)"
}

健康检查

GET /health

使用示例

HTTP模式使用示例

curl -X POST http://localhost:5002/extract \
  -H "Content-Type: application/json" \
  -d '{"url": "your_wechat_article_url"}'

MCP模式使用示例

MCP Server需要通过支持MCP协议的客户端来调用,例如:

  • Cherry Studio
  • Cursor
  • Cline
  • Dify
  • FastGPT
  • N8N等

这些客户端会自动发现并调用本服务提供的工具。

JSON配置方式

STDIO模式配置

{
  "mcpServers": {
    "wechat-extractor-stdio": {
      "command": "python3",
      "args": [
        "/Users/guanshilong/app/code/lingma/mcp/mcp_server.py"
      ],
      "env": {
        "PYTHONPATH": "/Users/guanshilong/app/code/lingma/mcp"
      }
    }
  }
}

HTTP模式配置

{
  "mcpServers": {
    "wechat-extractor-http": {
      "type": "http",
      "url": "http://localhost:5002/sse"
    }
  }
}

不同客户端的配置文件位置:

  • Claude Desktop: ~/.claude/claude_desktop_config.json
  • Cursor: .cursor/mcp.json
  • VS Code: .vscode/mcp.json

常见问题排查

端口冲突问题

如果遇到类似以下错误:

ERROR: [Errno 48] error while attempting to bind on address ('0.0.0.0', 5001): address already in use

这表示指定端口已被占用,请修改 [http_mcp_server.py](file:///Users/guanshilong/app/code/lingma/mcp/http_mcp_server.py) 文件中的端口号。

服务启动检查

可以通过以下方式验证服务是否正常运行:

# 检查端口是否被监听
netstat -an | grep 5002

# 或者使用lsof命令(macOS/Linux)
lsof -i :5002

微信文章提取失败

由于微信有反爬虫机制,可能会出现提取失败的情况。如果返回的结果中字段为空,请稍后再试或者检查文章链接是否有效。

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