import { PaperMetadata, CategoryList } from './papers.js';
export interface ToolResponse {
    content: PaperMetadata[] | CategoryList | PaperMetadata;
    warnings?: string[];
    errors?: string[];
}
export interface MCPError {
    code: 'NotAvailable' | 'PartialSuccess' | 'RateLimited' | 'SourceDown' | 'InvalidQuery';
    message: string;
    suggestions?: string[];
    retryAfter?: number;
}