import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp';
import type { z } from 'zod';
import type { CallToolResult } from '@modelcontextprotocol/sdk/types';
/**
 * A tool definition with a Zod raw-shape input schema.
 */
export interface ToolDef {
    name: string;
    description: string;
    inputSchema?: Record<string, z.ZodTypeAny>;
    handler: (args: Record<string, unknown>) => CallToolResult | Promise<CallToolResult>;
}
/**
 * Register a tool on an McpServer with minimal ceremony.
 *
 * The type casts are necessary because `McpServer.registerTool` has complex
 * generic overloads that are hard to satisfy dynamically, but the runtime
 * behaviour is exactly what we need.
 */
export declare function registerTool(server: McpServer, def: ToolDef): void;