weixin-mcp-server

weixin-mcp-server

Enables WeChat automation on PC via MCP, supporting sending messages and files, searching contacts, retrieving chat history, and executing commands, compatible with WeChat 4.1+.

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weixin-mcp-server

微信 MCP Server,基于 pyweixin,兼容微信 4.1+(最新 4.1.12)。通过标准 MCP 协议接入,让 AI 助手能驱动桌面微信发消息、发文件、查聊天记录等。

特性

  • ✅ 兼容微信 4.1.12(最新官方版)
  • ✅ 基于 pyweixin(非 pywechat),pyweixin 已内置(vendored)于仓库,开箱即用,无需额外安装
  • ✅ 9 个 MCP 工具:发消息、发文件、查聊天记录、搜索联系人等
  • ✅ 通过标准 MCP 协议接入(Hermes / WorkBuddy / Claude Desktop 等)
  • ✅ 不再依赖 cwd:src/server.py 会自动将仓库根加入 sys.path,并推荐以「绝对路径启动 server.py」的方式接入,即使 MCP 客户端未传递工作目录也能正确运行

快速开始

1. 克隆仓库

git clone https://github.com/linnnnnnnnnnnnnnnnnnnnn/weixin-mcp-server.git
cd weixin-mcp-server

2. 安装依赖

# 推荐:用虚拟环境(避免污染系统 Python)
python -m venv .venv
.venv\Scripts\python.exe -m pip install -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt

# 或直接装到当前 Python
pip install -r requirements.txt

Windows 用户也可直接双击 install.bat(已配置清华镜像)。 无需 pip install pyweixin —— 该包未发布到 PyPI,本项目已将其直接内置。

3. 配置 MCP 客户端

推荐用「绝对路径启动 server.py」(如下方示例),这是最稳的方式:不依赖客户端是否传递 cwd,也不需要额外的 PYTHONPATH。 如果你的客户端一定会正确传递 cwd,也可改用 args: ["-m", "src.server"] + cwd 的形式(两者均可)。

Hermes(config.yaml 或 MCP 管理界面):

mcp_servers:
  weixin-server:
    command: "C:\\path\\to\\weixin-mcp-server\\.venv\\Scripts\\python.exe"
    args: ["C:\\path\\to\\weixin-mcp-server\\src\\server.py"]
    cwd: "C:\\path\\to\\weixin-mcp-server"   # 可省略

WorkBuddy(mcp.json):

{
  "mcpServers": {
    "weixin-server": {
      "command": "C:\\path\\to\\weixin-mcp-server\\.venv\\Scripts\\python.exe",
      "args": ["C:\\path\\to\\weixin-mcp-server\\src\\server.py"]
    }
  }
}

Claude Desktop(claude_desktop_config.json):

{
  "mcpServers": {
    "weixin-server": {
      "command": "C:\\path\\to\\weixin-mcp-server\\.venv\\Scripts\\python.exe",
      "args": ["C:\\path\\to\\weixin-mcp-server\\src\\server.py"]
    }
  }
}

4. 重启客户端

重启 Hermes / WorkBuddy / Claude,MCP 服务器会自动启动。确保微信 PC 版已登录且运行中(pyweixin 通过 UI 自动化驱动微信客户端)。

MCP 工具

工具 功能
wechat_send_message 向好友发送单条消息
wechat_send_multiple_messages 向好友发送多条消息
wechat_send_to_multiple_friends 向多人发送同一条消息
wechat_send_file 向好友发送文件(PDF、图片等)
wechat_search_contacts 搜索微信联系人
wechat_get_chat_history 获取聊天记录
wechat_open_dialog 打开与好友的聊天窗口
wechat_get_status 获取微信运行状态
wechat_run_command 执行系统命令

要求

  • Python 3.10+
  • 微信 PC 版 4.1+(已登录、运行中)
  • Windows(pyweixin 依赖 pywinauto / pywin32 等 Windows 专用库)

第三方组件与许可

本项目将 pyweixin(来自 Hello-Mr-Crab/pywechat,位于仓库根 pyweixin/ 目录)以 vendored 形式内置,以规避其未发布到 PyPI 导致无法 pip install 的问题。其许可遵循上游仓库,使用前请自行查阅上游 LICENSE。

License

MIT

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