revert

lang_agent/tool_manager.py

@@ -111,7 +111,16 @@ class ToolManager:
             self.client_tool_manager = []
         self._build_langchain_tools()
     
-    
+    def get_tool_fncs(self):
+        all_tools = []
+        all_tools.extend(self.tool_fncs)
+        if self.client_tool_manager is not None:
+            try:
+                mcp_tools = self.client_tool_manager.get_tools()
+                all_tools.extend(mcp_tools)
+            except Exception as e:
+                logger.warning(f"Failed to get MCP tools: {e}")
+        return all_tools
     
     def get_tool_dict(self):
         return self.tool_dict