/**
 * MCP server factory.
 *
 * Creates the McpServer instance and provides startServer()
 * which selects stdio or HTTP transport based on config.
 */
import { type Server as HttpServer } from "node:http";
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import type { AppConfig } from "../types/index.js";
export declare function createServer(): McpServer;
/**
 * Returns the underlying http.Server for HTTP transport (so callers such as
 * tests can inspect the bound port and close it), undefined for stdio.
 */
export declare function startServer(server: McpServer, config: AppConfig, serverFactory?: () => McpServer): Promise<HttpServer | undefined>;