xiaozhi-esp32-server/main/xiaozhi-server/core/handle/helloHandle.py

import json
import asyncio
from core.providers.tools.device_mcp import (
    MCPClient,
    send_mcp_initialize_message,
    send_mcp_tools_list_request,
)

TAG = __name__


async def handleHelloMessage(conn, msg_json):
    """处理hello消息"""
    audio_params = msg_json.get("audio_params")
    if audio_params:
        format = audio_params.get("format")
        conn.logger.bind(tag=TAG).info(f"客户端音频格式: {format}")
        conn.audio_format = format
        conn.welcome_msg["audio_params"] = audio_params
    features = msg_json.get("features")
    if features:
        conn.logger.bind(tag=TAG).info(f"客户端特性: {features}")
        conn.features = features
        if features.get("mcp"):
            conn.logger.bind(tag=TAG).info("客户端支持MCP")
            conn.mcp_client = MCPClient()
            # 发送初始化
            asyncio.create_task(send_mcp_initialize_message(conn))
            # 发送mcp消息，获取tools列表
            asyncio.create_task(send_mcp_tools_list_request(conn))

    await conn.websocket.send(json.dumps(conn.welcome_msg))