import type { AnyZodObject, z } from 'zod';
export type ToolContent = {
    type: 'text';
    text: string;
    _meta?: Record<string, unknown>;
};
export interface ToolResult {
    content: ToolContent[];
    structuredContent?: unknown;
    isError?: boolean;
    metadata?: Record<string, unknown>;
}
export type ToolHandlerArgs<TSchema extends AnyZodObject | undefined = undefined> = TSchema extends AnyZodObject ? z.infer<TSchema> : Record<string, unknown>;
export interface McpTool<TSchema extends AnyZodObject | undefined = undefined> {
    name: string;
    description: string;
    inputSchema?: TSchema;
    handler(args: ToolHandlerArgs<TSchema>): Promise<ToolResult>;
}
export declare function asTextContent(message: string): ToolContent;
export declare function formatList(items: string[]): string;
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