调通mcp tool

main/xiaozhi-server/core/connection.py

@@ -18,7 +18,7 @@ from concurrent.futures import ThreadPoolExecutor, TimeoutError
 from core.handle.sendAudioHandle import sendAudioMessage
 from core.handle.receiveAudioHandle import handleAudioMessage
 from core.handle.functionHandler import FunctionHandler
-from plugins_func.register import Action
+from plugins_func.register import Action, ActionResponse
 from config.private_config import PrivateConfig
 from core.auth import AuthMiddleware, AuthenticationError
 from core.utils.auth_code_gen import AuthCodeGenerator
@@ -196,9 +196,9 @@ class ConnectionHandler:
         if self.private_config:
             self.prompt = self.private_config.private_config.get("prompt", self.prompt)
 
-        self.client_ip_info = get_ip_info(self.client_ip)
-        self.logger.bind(tag=TAG).info(f"Client ip info: {self.client_ip_info}")
-        self.prompt = self.prompt + f"\n我在:{self.client_ip_info}"
+        #self.client_ip_info = get_ip_info(self.client_ip)
+        #self.logger.bind(tag=TAG).info(f"Client ip info: {self.client_ip_info}")
+        #self.prompt = self.prompt + f"\n我在:{self.client_ip_info}"
         self.dialogue.put(Message(role="system", content=self.prompt))
 
         self.func_handler = FunctionHandler(self.config)
@@ -436,24 +436,14 @@ class ConnectionHandler:
                     "id": function_id,
                     "arguments": function_arguments
                 }
-                #result = self.func_handler.handle_llm_function_call(self, function_call_data)
-                #self._handle_function_result(result, function_call_data, text_index+1)
 
                 # 处理MCP工具调用
                 if self.mcp_manager.is_mcp_tool(function_name):
-                    try:
-                        tool_result = asyncio.create_task(self.mcp_manager.execute_tool(
-                            function_name,
-                            function_arguments
-                        ))
-                        self._handle_mcp_tool_result(tool_result, function_call_data, text_index+1)
-                    except Exception as e:
-                        self.logger.bind(tag=TAG).error(f"MCP工具调用错误: {e}")
-                        response_message.append(f"MCP工具调用失败: {str(e)}")
+                    result = self._handle_mcp_tool_call(function_call_data)
                 else:
                     # 处理系统函数
                     result = self.func_handler.handle_llm_function_call(self, function_call_data)
-                    self._handle_function_result(result, function_call_data, text_index+1)
+                self._handle_function_result(result, function_call_data, text_index+1)
 
         # 处理最后剩余的文本
         full_text = "".join(response_message)
@@ -475,6 +465,36 @@ class ConnectionHandler:
 
         return True
 
+    def _handle_mcp_tool_call(self, function_call_data):
+        function_arguments = function_call_data["arguments"]
+        function_name = function_call_data["name"]
+        try:
+            args_dict = function_arguments
+            if isinstance(function_arguments, str):
+                try:
+                    args_dict = json.loads(function_arguments)
+                except json.JSONDecodeError:
+                    self.logger.bind(tag=TAG).error(f"无法解析 function_arguments: {function_arguments}")
+                    return ActionResponse(action=Action.REQLLM, result="参数解析失败", response="")
+                    
+            tool_result = asyncio.run_coroutine_threadsafe(self.mcp_manager.execute_tool(
+                function_name,
+                args_dict
+            ), self.loop).result()
+            # meta=None content=[TextContent(type='text', text='北京当前天气:\n温度: 21°C\n天气: 晴\n湿度: 6%\n风向: 西北 风\n风力等级: 5级', annotations=None)] isError=False
+            self.logger.bind(tag=TAG).info(f"tool_result:{tool_result}")
+            if tool_result is not None:
+                if tool_result.content is not None:
+                    print(tool_result.content)
+                    return ActionResponse(action=Action.REQLLM, result=tool_result.content[0].text, response="")
+            
+        except Exception as e:
+            self.logger.bind(tag=TAG).error(f"MCP工具调用错误: {e}")
+            return ActionResponse(action=Action.REQLLM, result="工具调用出错", response="")
+
+        return ActionResponse(action=Action.REQLLM, result="工具调用出错", response="")
+            
+
     def _handle_function_result(self, result, function_call_data, text_index):
         if result.action == Action.RESPONSE:  # 直接回复前端
             text = result.response

main/xiaozhi-server/core/mcp/MCPClient.py

@@ -1,7 +1,7 @@
 import asyncio
 from typing import Optional
 from contextlib import AsyncExitStack
-import os
+import os, shutil
 from mcp import ClientSession, StdioServerParameters
 from mcp.client.stdio import stdio_client
 
@@ -19,34 +19,19 @@ class MCPClient:
         self.tolls = []
 
     async def initialize(self):
-        main_command = self.config["command"]
         args = self.config.get("args", [])
 
-        server_script_path = main_command
-        if args:
-            # 如果第一个参数是路径，使用其目录作为工作目录
-            possible_path = args[0]
-            if os.path.exists(possible_path):
-                server_script_path = possible_path
-        await self.connect_to_server(server_script_path)
+        command = (
+            shutil.which("npx")
+            if self.config["command"] == "npx"
+            else self.config["command"]
+        )
 
-
-    async def connect_to_server(self, server_script_path: str):
-        """Connect to an MCP server
+        env={**os.environ, **self.config["env"]}
         
-        Args:
-            server_script_path: Path to the server script (.py or .js)
-        """
-        is_python = server_script_path.endswith('.py')
-        is_js = server_script_path.endswith('.js')
-        if not (is_python or is_js):
-            raise ValueError("Server script must be a .py or .js file")
-        
-        env = self.config.get("env", {})
-        command = "python" if is_python else "node"
         server_params = StdioServerParameters(
             command=command,
-            args=[server_script_path],
+            args=args,
             env=env
         )
         
@@ -61,7 +46,10 @@ class MCPClient:
         tools = response.tools
         self.tools = tools
         self.logger.bind(tag=TAG).info(f"Connected to server with tools:{[tool.name for tool in tools]}")
-
+    
+    def has_tool(self, tool_name):
+        return any(tool.name == tool_name for tool in self.tools)
+    
     def get_available_tools(self):
         available_tools = [{"type": "function", "function":{ 
             "name": tool.name,
@@ -72,25 +60,10 @@ class MCPClient:
         return available_tools
     
     async def call_tool(self, tool_name: str, tool_args: dict):
+        self.logger.bind(tag=TAG).info(f"MCPClient Calling tool {tool_name} with args: {tool_args}")
         response = await self.session.call_tool(tool_name, tool_args)
         return response
 
     async def cleanup(self):
         """Clean up resources"""
-        await self.exit_stack.aclose()
-
-async def main():
-    if len(sys.argv) < 2:
-        print("Usage: python client.py <path_to_server_script>")
-        sys.exit(1)
-        
-    client = MCPClient()
-    try:
-        await client.connect_to_server(sys.argv[1])
-        await client.chat_loop()
-    finally:
-        await client.cleanup()
-
-if __name__ == "__main__":
-    import sys
-    asyncio.run(main())
+        await self.exit_stack.aclose()

main/xiaozhi-server/core/mcp/manager.py

@@ -80,14 +80,15 @@ class MCPManager:
         """执行工具调用
         Args:
             tool_name: 工具名称
-            arguments: 工具参数
+            arguments: 工具参数 
         Returns:
             Any: 工具执行结果
         Raises:
             ValueError: 工具未找到时抛出
         """
+        self.logger.bind(tag=TAG).info(f"Executing tool {tool_name} with arguments: {arguments}")
         for client in self.client.values():
-            if any(tool_name == tool["name"] for tool in client.tools):
+            if client.has_tool(tool_name):
                 return await client.call_tool(tool_name, arguments)
             
         raise ValueError(f"Tool {tool_name} not found in any MCP server")