/**
 * Default MCP transport — sends tool calls via HTTP POST.
 */
import type { McpTransport } from './actions.js';
export interface McpTransportOptions {
    /** Base URL for the MCP endpoint. Defaults to window location origin. */
    baseUrl?: string;
    /** Custom headers for MCP requests. */
    headers?: Record<string, string>;
    /** Custom fetch function (for testing). */
    fetch?: typeof globalThis.fetch;
}
/**
 * Create an HTTP-based MCP transport.
 *
 * Sends tool calls as POST to `{baseUrl}/mcp/tools/call` with the
 * standard MCP JSON-RPC format.
 */
export declare function createHttpTransport(opts?: McpTransportOptions): McpTransport;
/** No-op transport for standalone rendering without MCP. */
export declare function createNoopTransport(): McpTransport;
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