Upload 6 files

backend.py

@@ -3,7 +3,8 @@
 Backend module for MCP Agent
 Handles all the MCP server connections, LLM setup, and agent logic
 """
-
+import sys
+from pathlib import Path
 import os
 import re
 import asyncio
@@ -171,18 +172,19 @@ class MCPAgent:
             
         # Start the Stock server separately first: `python stockserver.py`
         self.client = MultiServerMCPClient(
-            {
-                "arithmetic": {
-                    "command": "python",
-                    "args": ["arithmetic_server.py"],
-                    "transport": "stdio",
-                },
-                "stocks": {
-                    "url": "http://localhost:8000/mcp",
-                    "transport": "streamable_http",
-                },
-            }
-        )
+        {
+            "arithmetic": {
+                "command": sys.executable,
+                "args": [str(here / "arithmetic_server.py")],
+                "transport": "stdio",
+            },
+            "stocks": {
+                "command": sys.executable,
+                "args": [str(here / "stock_server.py")],
+                "transport": "stdio",
+            },
+        }
+    )
         
         # 1. MCP client + tools
         self.tools = await self.client.get_tools()

huggingface.yaml

@@ -0,0 +1,5 @@
+# huggingface.yaml
+title: mcp-agent-chat
+sdk: streamlit
+app_file: frontend.py
+python_version: "3.10"

requirements.txt

@@ -2,12 +2,9 @@ langchain-mcp-adapters==0.1.9
 mcp==1.12.3
 langgraph==0.6.3
 langchain-huggingface==0.3.1
-aiohttp=3.12.15
-
-
+aiohttp==3.12.15
 streamlit==1.48.0
 python-dotenv
 huggingface-hub
-
 fastmcp
 asyncio

stock_server.py

@@ -60,4 +60,4 @@ async def get_company_news(symbol: str, limit: int = 3) -> str:
     3. {symbol} unveils new product line for 2025"""
 
 if __name__ == "__main__":
-    mcp.run(transport="streamable-http")
+    mcp.run(transport="stdio")