/**
 * Shared helpers for tool definitions.
 */
import { z } from 'zod';
import type { LinkFortyClient } from '../client.js';
export interface ToolDefinition {
    name: string;
    description: string;
    inputSchema: Record<string, unknown>;
    handler: (args: any, client: LinkFortyClient) => Promise<unknown>;
}
/**
 * Creates a tool definition from a Zod schema. The schema is converted to
 * JSON Schema for the MCP tool listing, and used to validate inputs at call time.
 */
export declare function defineTool<TSchema extends z.ZodTypeAny>(opts: {
    name: string;
    description: string;
    schema: TSchema;
    handler: (args: z.infer<TSchema>, client: LinkFortyClient) => Promise<unknown>;
}): ToolDefinition;
/**
 * Format any value as a JSON string suitable for an MCP text content block.
 */
export declare function asText(value: unknown): string;
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