MCP Data Catalog

import { DatasetId } from '../value-objects/dataset-id.js'; import { FieldName } from '../value-objects/field-name.js'; import { DatasetField } from './dataset-field.js'; /** * Schema definition for a dataset * Contains all metadata needed to understand and query the dataset */ export interface DatasetSchema { /** Unique identifier for this dataset */ id: DatasetId; /** Human-readable name */ name: string; /** Optional description */ description?: string; /** All field definitions */ fields: DatasetField[]; /** The field that serves as the primary key */ keyField: FieldName; /** Fields that can be used for lookup operations */ lookupKeys: FieldName[]; /** Fields that are included in list/query results by default */ visibleFields: FieldName[]; /** Query limits */ limits: { /** Default number of rows to return if not specified */ defaultLimit: number; /** Maximum number of rows allowed in a single query */ maxLimit: number; }; }