Update app.py

app.py

@@ -166,7 +166,11 @@ def call_mcp_tool(tool_name, arguments):
         )
         
         if response.status_code == 200:
-            return response.json()
+            data = response.json()
+            # 解包 JSON-RPC 响应，只返回 result 字段给模型
+            if isinstance(data, dict) and "result" in data:
+                return data["result"]
+            return data
         else:
             return {"error": f"HTTP {response.status_code}", "detail": response.text[:200]}
     except Exception as e: