interface NextJsServerInfo {
    port: number;
    pid: number;
    command: string;
}
interface NextJsMCPTool {
    name: string;
    description?: string;
    inputSchema?: Record<string, unknown>;
}
declare const MCP_HOST: string;
/**
 * Probe a port for MCP endpoint, trying both protocols
 * Returns the successful protocol if found, null otherwise
 * Also caches the detected protocol
 */
declare function probePort(port: number, timeoutMs?: number): Promise<"http" | "https" | null>;
/**
 * Detect protocol for a port (for use when making requests)
 * Returns cached protocol or defaults to http
 */
declare function detectProtocol(port: number): Promise<"http" | "https">;
export declare function listNextJsTools(port: number): Promise<NextJsMCPTool[]>;
export declare function callNextJsTool(port: number, toolName: string, args: Record<string, unknown>): Promise<unknown>;
export declare function getAllAvailableServers(): Promise<NextJsServerInfo[]>;
export { detectProtocol, probePort, MCP_HOST };