demo_fastmcp_simple.py•1.95 kB
#!/usr/bin/env python3
"""
Simple demo of the FastMCP OpenAPI server.
Shows how to run the server with stdio transport.
"""
import os
import sys
import asyncio
# Add src to path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'src'))
async def main():
"""Main demo function."""
from fastmcp_server import FastMCPOpenAPIServer
from config import ServerConfig
# Configure for Norwegian Weather API (no auth required)
os.environ.update({
'OPENAPI_URL': 'https://api.met.no/weatherapi/locationforecast/2.0/swagger',
'SERVER_NAME': 'weather_fastmcp',
'MCP_HTTP_ENABLED': 'false' # Use stdio transport
})
print("FastMCP OpenAPI Server Demo")
print("=" * 30)
print("API: Norwegian Weather Service")
print("Transport: stdio (for MCP clients)")
print("=" * 30)
# Create and initialize server
config = ServerConfig()
server = FastMCPOpenAPIServer(config)
await server.initialize()
print(f"✓ Server initialized with {len(server.operations)} operations")
print("✓ Ready for MCP client connections")
print("\nTo use with Claude Desktop, add this to your MCP config:")
print(f"""
{{
"mcpServers": {{
"weather": {{
"command": "{sys.executable}",
"args": ["{os.path.abspath(__file__)}"],
"transport": "stdio"
}}
}}
}}
""")
# For demo, just show what tools are available
tools = await server.mcp.get_tools()
print(f"\nAvailable tools ({len(tools)}):")
tools_list = list(tools.values()) if isinstance(tools, dict) else list(tools)
for tool in tools_list[:10]: # Show first 10
print(f" - {tool.name}")
if len(tools_list) > 10:
print(f" ... and {len(tools_list) - 10} more tools")
print("\nStarting stdio server...")
# This will run the server with stdio transport
server.run_stdio()
if __name__ == "__main__":
asyncio.run(main())