Email MCP

Email MCP

A Model Context Protocol server that enables AI models to send emails via simple tool calls, supporting both plain text and HTML formats with JWT authentication.

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README

Email MCP Server

一个基于Model Context Protocol (MCP) 的邮件服务器,让AI可以发送、读取、搜索、删除和回复邮件。支持SMTP和Gmail API两种方式,兼容QQ邮箱、163邮箱、Gmail等常见邮箱服务。

🚀 功能特性

  • ✉️ 发送邮件 - 支持HTML/纯文本格式,附件功能
  • 📥 读取邮件 - 从收件箱或指定文件夹读取邮件
  • 🔍 搜索邮件 - 按关键词搜索邮件
  • 🗑️ 删除邮件 - 删除指定邮件
  • ↩️ 回复邮件 - 支持回复和全部回复

📦 安装

npm install
npm run build

或者快速安装:

npm run quick-setup

⚙️ 配置

  1. 复制环境变量模板:
cp env.example .env
  1. 编辑 .env 文件,选择邮件提供商:

选项一:使用QQ邮箱 (推荐)

EMAIL_PROVIDER=smtp
SMTP_HOST=smtp.qq.com
SMTP_PORT=587
SMTP_SECURE=false
SMTP_USER=your-email@qq.com
SMTP_PASS=your-authorization-code
DEFAULT_FROM_EMAIL=your-email@qq.com

QQ邮箱设置步骤:

  1. 登录QQ邮箱 → 设置 → 账户
  2. 开启SMTP服务
  3. 生成授权码(不是QQ密码)
  4. 将授权码填入SMTP_PASS

选项二:使用163邮箱

EMAIL_PROVIDER=smtp
SMTP_HOST=smtp.163.com
SMTP_PORT=994
SMTP_SECURE=true
SMTP_USER=your-email@163.com
SMTP_PASS=your-authorization-code
DEFAULT_FROM_EMAIL=your-email@163.com

选项三:使用Gmail

EMAIL_PROVIDER=smtp
SMTP_HOST=smtp.gmail.com
SMTP_PORT=587
SMTP_SECURE=false
SMTP_USER=your-email@gmail.com
SMTP_PASS=your-app-password
DEFAULT_FROM_EMAIL=your-email@gmail.com

选项四:使用Gmail API

EMAIL_PROVIDER=gmail
GMAIL_CLIENT_ID=your-gmail-client-id
GMAIL_CLIENT_SECRET=your-gmail-client-secret
GMAIL_REFRESH_TOKEN=your-gmail-refresh-token
DEFAULT_FROM_EMAIL=your-email@gmail.com

🔧 使用方法

直接启动

npm run start

使用SuperGateway调试 (推荐)

npm run start-gateway

服务将在 http://localhost:3200 启动

在Cline中配置

{
  "mcpServers": {
    "email-mcp": {
      "url": "http://localhost:3200/sse",
      "type": "sse",
      "disabled": false,
      "autoApprove": [
        "send_email",
        "read_emails", 
        "search_emails",
        "delete_email",
        "reply_email"
      ]
    }
  }
}

开发模式

npm run dev

🛠️ 可用工具

1. send_email

发送邮件给指定收件人

参数:

  • to (必需): 收件人邮箱地址
  • subject (必需): 邮件主题
  • body (必需): 邮件内容
  • from (可选): 发件人邮箱地址
  • html (可选): 是否为HTML格式
  • attachments (可选): 附件数组

示例:

{
  "to": "recipient@qq.com",
  "subject": "来自AI的问候",
  "body": "这是一封由AI助手发送的测试邮件。",
  "html": false
}

2. read_emails

从收件箱或指定文件夹读取邮件

参数:

  • limit (可选): 邮件数量限制 (默认: 10)
  • folder (可选): 邮件文件夹 (默认: "INBOX")
  • unreadOnly (可选): 只读取未读邮件 (默认: false)

3. search_emails

搜索邮件

参数:

  • query (必需): 搜索关键词
  • limit (可选): 结果数量限制 (默认: 10)
  • folder (可选): 搜索文件夹 (默认: "INBOX")

4. delete_email

删除邮件

参数:

  • messageId (必需): 要删除的邮件ID

5. reply_email

回复邮件

参数:

  • messageId (必需): 原邮件ID
  • body (必需): 回复内容
  • replyAll (可选): 是否回复全部 (默认: false)
  • html (可选): 是否为HTML格式 (默认: false)

🔐 支持的邮箱服务

邮箱服务 SMTP服务器 端口 安全连接 说明
QQ邮箱 smtp.qq.com 587 false 需要开启SMTP服务并获取授权码
163邮箱 smtp.163.com 994 true 需要开启SMTP服务并获取授权码
Gmail smtp.gmail.com 587 false 需要开启两步验证并生成应用密码
Outlook smtp-mail.outlook.com 587 false 需要开启SMTP认证

🐛 故障排除

常见问题

  1. QQ邮箱认证失败

    • 确保已开启SMTP服务
    • 使用授权码而不是QQ密码
    • 检查SMTP设置是否正确
  2. 163邮箱认证失败

    • 确保已开启SMTP服务
    • 使用客户端授权密码
    • 注意端口使用994并开启SSL
  3. Gmail认证失败

    • 确保启用了"应用密码"
    • 开启两步验证
    • 检查SMTP设置是否正确
  4. Gmail API错误

    • 确保OAuth令牌有效
    • 检查API配额和权限
  5. TypeScript编译错误

    • 运行 npm install 确保依赖安装完整
    • 检查Node.js版本 (推荐 v18+)

🔗 相关链接

�� 许可证

ISC License

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