MCP Data Catalog

import type { DatasetId } from '../domain/value-objects/dataset-id.js'; import type { DatasetSchema } from '../domain/entities/dataset-schema.js'; import { DatasetCatalogService } from '../domain/services/dataset-catalog-service.js'; /** * Use case for retrieving detailed schema information for a specific dataset. * * Returns complete metadata about a dataset including fields, types, * visible fields, and limits. */ export class DescribeDatasetUseCase { constructor(private readonly catalog: DatasetCatalogService) {} /** * Execute the describe dataset operation. * * @param datasetId - The ID of the dataset to describe * @returns The dataset schema * @throws DatasetNotFoundError if the dataset doesn't exist */ async execute(datasetId: DatasetId): Promise<DatasetSchema> { return this.catalog.getSchema(datasetId); } }