Added LiteLLM to the stack

Development/litellm/tests/pass_through_tests/test_mcp_routes.py

@@ -0,0 +1,35 @@
+# Create server parameters for stdio connection
+import asyncio
+import os
+
+from langchain_mcp_adapters.tools import load_mcp_tools
+from langchain_openai import ChatOpenAI
+from langgraph.prebuilt import create_react_agent
+from mcp import ClientSession
+from mcp.client.sse import sse_client
+
+
+async def main():
+    model = ChatOpenAI(model="gpt-4o", api_key="sk-12")
+
+    async with sse_client(url="http://localhost:4000/mcp/") as (read, write):
+        async with ClientSession(read, write) as session:
+            # Initialize the connection
+            print("Initializing session")
+            await session.initialize()
+            print("Session initialized")
+
+            # Get tools
+            print("Loading tools")
+            tools = await load_mcp_tools(session)
+            print("Tools loaded")
+            print(tools)
+
+            # # Create and run the agent
+            # agent = create_react_agent(model, tools)
+            # agent_response = await agent.ainvoke({"messages": "what's (3 + 5) x 12?"})
+
+
+# Run the async function
+if __name__ == "__main__":
+    asyncio.run(main())