/**
 * Standard MCP tool response types.
 */
interface McpToolResponse {
    [key: string]: unknown;
    content: Array<{
        type: "text";
        text: string;
    }>;
    isError?: boolean;
}
/**
 * Return a successful JSON response (compact, no whitespace, nulls stripped).
 */
export declare function success(data: Record<string, unknown>): McpToolResponse;
/**
 * Return a successful plain-text response.
 */
export declare function textResult(message: string): McpToolResponse;
/**
 * Return an error response.
 */
export declare function error(message: string): McpToolResponse;
/**
 * Return an error response with structured data (compact, nulls stripped).
 */
export declare function errorWithData(message: string, data: Record<string, unknown>): McpToolResponse;
export {};
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