/**
 * Tool: list_cantons
 * List all Swiss cantons.
 */
import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { z } from "zod";
/**
 * Schema (raw shape) for list_cantons parameters. Empty — no inputs.
 */
export declare const listCantonsInputShape: {};
export declare const listCantonsInputSchema: z.ZodObject<{}, z.core.$strip>;
export type ListCantonsInput = z.infer<typeof listCantonsInputSchema>;
/**
 * Registers the list_cantons tool.
 */
export declare function registerListCantons(server: McpServer): void;