/**
 * Visus Search Tool - Safe Web Search
 *
 * Queries DuckDuckGo's Instant Answer API and sanitizes all results
 * before returning them to the LLM.
 *
 * SECURITY: Every search result snippet and title passes through the
 * sanitization pipeline. This prevents prompt injection via search results.
 */
import type { VisusSearchInput, VisusSearchOutput, Result } from '../types.js';
/**
 * Search the web via DuckDuckGo and return sanitized results
 *
 * @param input Search query and options
 * @returns Sanitized search results with injection detection metadata
 */
export declare function visusSearch(input: VisusSearchInput): Promise<Result<VisusSearchOutput, Error>>;
/**
 * Tool definition for MCP registration
 */
export declare const visusSearchToolDefinition: {
    name: string;
    title: string;
    description: string;
    inputSchema: {
        type: string;
        properties: {
            query: {
                type: string;
                description: string;
            };
            max_results: {
                type: string;
                description: string;
                default: number;
            };
        };
        required: string[];
    };
    readOnlyHint: boolean;
    destructiveHint: boolean;
    idempotentHint: boolean;
    openWorldHint: boolean;
};
//# sourceMappingURL=search.d.ts.map