import type { IncomingMessage, ServerResponse } from 'node:http';
/**
 * The MCP streamable-HTTP transport, stateless: each POST carries one
 * JSON-RPC message and gets a JSON response (no sessions, no SSE stream —
 * the spec allows a plain JSON reply, and every tool here answers at once).
 * Mounted at /mcp by the dev server; never part of a build.
 */
export declare function mcpHttpHandler(): (req: IncomingMessage, res: ServerResponse) => void;
/**
 * A same-machine Origin. The dev server's write endpoints share this with the
 * MCP route: both accept requests that edit the user's source, so both need
 * the same DNS-rebinding guard.
 */
export declare function isLocalOrigin(origin: string): boolean;