OpenAPI Lambda MCP Server

from typing import Any from fastmcp.client.transports import ( ClientTransport, SSETransport, StdioTransport, StreamableHttpTransport, ) from fastmcp.mcp_config import ( MCPConfig, MCPServerTypes, ) from fastmcp.server.proxy import FastMCPProxy, ProxyClient from fastmcp.server.server import FastMCP def mcp_config_to_servers_and_transports( config: MCPConfig, ) -> list[tuple[str, FastMCP[Any], ClientTransport]]: """A utility function to convert each entry of an MCP Config into a transport and server.""" return [ mcp_server_type_to_servers_and_transports(name, mcp_server) for name, mcp_server in config.mcpServers.items() ] def mcp_server_type_to_servers_and_transports( name: str, mcp_server: MCPServerTypes, ) -> tuple[str, FastMCP[Any], ClientTransport]: """A utility function to convert each entry of an MCP Config into a transport and server.""" from fastmcp.mcp_config import ( TransformingRemoteMCPServer, TransformingStdioMCPServer, ) server: FastMCP[Any] transport: ClientTransport client_name = ProxyClient.generate_name(f"MCP_{name}") server_name = FastMCPProxy.generate_name(f"MCP_{name}") if isinstance(mcp_server, TransformingRemoteMCPServer | TransformingStdioMCPServer): server, transport = mcp_server._to_server_and_underlying_transport( server_name=server_name, client_name=client_name, ) else: transport = mcp_server.to_transport() client: ProxyClient[StreamableHttpTransport | SSETransport | StdioTransport] = ( ProxyClient(transport=transport, name=client_name) ) server = FastMCP.as_proxy(name=server_name, backend=client) return name, server, transport