FastMCP OpenAPI

#!/usr/bin/env python3 """ Simple test to verify Petstore MCP server works with LangChain. """ import asyncio import sys sys.path.append('src') from langchain_mcp_adapters.client import MultiServerMCPClient async def test_petstore_connection(): """Test connection to Petstore MCP server.""" print("🐶 Testing Petstore MCP Server Connection") try: # Connect to running Petstore server print("🔌 Connecting to Petstore server on port 8081...") client = MultiServerMCPClient({ "petstore": { "url": "http://127.0.0.1:8081/mcp", "transport": "streamable_http", } }) # Get available tools print("🔍 Getting available tools...") tools = await client.get_tools() print(f"✅ Successfully connected! Found {len(tools)} tools:") # Show Petstore tools petstore_tools = [tool for tool in tools if 'pet' in tool.name.lower()] for i, tool in enumerate(petstore_tools[:5]): print(f" {i+1}. {tool.name}: {tool.description}") if len(petstore_tools) > 5: print(f" ... and {len(petstore_tools) - 5} more pet-related tools") print(f"\n📊 Total tools available: {len(tools)}") print("✅ Petstore end-to-end test completed successfully!") except Exception as e: print(f"❌ Error connecting to Petstore server: {e}") print(" Make sure the server is running on port 8081") if __name__ == "__main__": asyncio.run(test_petstore_connection())