MCP AgentChat

MCP AgentChat

An MCP server enabling AI agents to interact with users via Telegram, supporting message and image sending, inline quick replies, and waiting for user responses.

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README

🤖 MCP AgentChat

npm version License: MIT

MCP AgentChat - 一个 Model Context Protocol (MCP) 服务,让 AI Agent 通过 Telegram 与用户实时交互:发送消息、图片,等待用户回复。

✨ 特性

功能 描述
📝 发送消息 支持 HTML/MarkdownV2/Markdown 格式
🖼️ 发送图片 支持发送本地图片文件
⌨️ 快捷回复按钮 Inline Keyboard 候选回复
📸 接收图片 用户回复的图片转 base64 返回
💓 心跳机制 进度通知避免客户端超时
⏱️ 超时策略 区分紧急/非紧急请求

📦 安装

# 全局安装
npm install -g mcp-agentchat

# 或者本地安装
npm install mcp-agentchat

🔧 配置

必需环境变量

变量 说明
TELEGRAM_BOT_TOKEN Bot Token(来自 @BotFather
TELEGRAM_CHAT_ID 目标聊天 ID(仅支持私聊

可选环境变量

变量 默认值 说明
TELEGRAM_POLL_INTERVAL_MS 2000 轮询间隔(毫秒)
TELEGRAM_GETUPDATES_TIMEOUT_SECONDS 25 getUpdates 长轮询秒数
TELEGRAM_EMERGENCY_TIMEOUT_SECONDS 6048000 紧急请求超时(秒)
TELEGRAM_NON_EMERGENCY_TIMEOUT_SECONDS 180 非紧急请求超时(秒)
TELEGRAM_NON_EMERGENCY_TIMEOUT_TEXT "用户暂时未回复..." 非紧急超时返回文本
TELEGRAM_HEARTBEAT_INTERVAL_MS 5000 心跳间隔(毫秒)
TELEGRAM_PARSE_MODE HTML 默认消息格式
TELEGRAM_FORCE_REPLY true 启用强制回复
TELEGRAM_INCLUDE_IMAGES true 接收图片转 base64
TELEGRAM_MAX_IMAGES 8 最多返回图片数
TELEGRAM_READ_RECEIPT_ENABLED true 发送已读回执
TELEGRAM_READ_RECEIPT_TEXT 已收到 回执文本
TELEGRAM_READ_RECEIPT_SILENT true 静默发送回执

🛠️ MCP 工具

telegram_chat

通过 Telegram 向用户发送消息并等待回复。

参数

参数 类型 必需 说明
summary string 发送给用户的消息内容
images string[] 要发送的图片绝对路径列表
quick_replies object[] 候选回复按钮列表
emergency boolean 是否紧急(影响超时策略)
parse_mode string 消息格式(HTML/MarkdownV2/Markdown)
project_directory string 项目目录(显示在消息前缀)

使用示例

基础用法:

{
  "summary": "代码已修改完成,请检查并反馈。"
}

发送图片:

{
  "summary": "这是生成的设计稿,请查看:",
  "images": [
    "/path/to/design.png",
    "/path/to/mockup.jpg"
  ]
}

带快捷回复按钮:

{
  "summary": "请选择下一步操作:",
  "quick_replies": [
    { "text": "✅ 继续" },
    { "text": "❌ 取消" },
    { "text": "🔄 重试", "callback_data": "retry" }
  ]
}

完整示例:

{
  "summary": "我完成了页面设计,请查看截图并选择:",
  "images": ["/tmp/screenshot.png"],
  "quick_replies": [
    { "text": "👍 很好,继续" },
    { "text": "✏️ 需要修改" }
  ],
  "emergency": false,
  "parse_mode": "HTML"
}

get_last_feedback_response

获取/等待最近一次提问的用户回复(用于处理外部超时中断)。

参数 类型 说明
message_id number 指定提问消息 ID(可选)
emergency boolean 是否紧急

📋 客户端配置示例

Cursor / Claude Desktop

{
  "mcpServers": {
    "agentchat": {
      "command": "npx",
      "args": ["mcp-agentchat"],
      "env": {
        "TELEGRAM_BOT_TOKEN": "your-bot-token",
        "TELEGRAM_CHAT_ID": "your-chat-id"
      }
    }
  }
}

本地开发

{
  "mcpServers": {
    "agentchat": {
      "command": "node",
      "args": ["/path/to/mcp-agentchat/build/index.js"],
      "env": {
        "TELEGRAM_BOT_TOKEN": "your-bot-token",
        "TELEGRAM_CHAT_ID": "your-chat-id",
        "TELEGRAM_HEARTBEAT_INTERVAL_MS": "5000"
      }
    }
  }
}

📝 消息格式说明

本项目将 summary 原样发送,AI 可自由使用 Telegram 支持的富文本格式。

HTML(推荐)

<b>粗体</b> <i>斜体</i> <code>代码</code>
<pre>代码块</pre>
<a href="https://example.com">链接</a>

需要转义:&&amp;<&lt;>&gt;

MarkdownV2

*粗体* _斜体_ `代码`

需要转义的字符:_ * [ ] ( ) ~ \ > # + - = | { } . !`

💓 心跳机制

为避免 MCP 客户端(如 Cursor)在等待用户回复时超时,本项目会定期发送 progress notification

  • 默认每 5 秒发送一次
  • 支持 resetTimeoutOnProgress 的客户端会重置超时计时器
  • 可通过 TELEGRAM_HEARTBEAT_INTERVAL_MS 调整间隔

⚠️ 重要说明

  1. 仅支持私聊:启动时会校验 chat.type === "private"
  2. 安全提示:不要将 TELEGRAM_BOT_TOKEN 提交到代码仓库
  3. ForceReply:默认启用,避免多 Agent 并发时消息混淆

🔄 GitHub Actions 自动发布

推送 v* 标签会自动触发 npm 发布:

git tag v0.3.0
git push origin v0.3.0

需要在 GitHub Secrets 中配置 NPM_TOKEN

📄 License

MIT

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