Pega DX MCP Server

import { BaseTool } from '../../registry/base-tool.js'; import { getSessionCredentialsSchema } from '../../utils/tool-schema.js'; export class GetDataViewMetadataTool extends BaseTool { /** * Get the category this tool belongs to */ static getCategory() { return 'dataviews'; } /** * Get tool definition for MCP protocol */ static getDefinition() { return { name: 'get_data_view_metadata', description: 'Retrieve data view metadata which includes data view parameters and list of queryable fields. Supports both queryable and non-queryable data views.', inputSchema: { type: 'object', properties: { dataViewID: { type: 'string', description: 'ID of the data view to retrieve metadata for. Example: "D_CaseList", "D_WorkBasket"' }, sessionCredentials: getSessionCredentialsSchema() }, required: ['dataViewID'] } }; } /** * Execute the get data view metadata operation */ async execute(params) { const { dataViewID } = params; let sessionInfo = null; try { sessionInfo = this.initializeSessionConfig(params); // Validate required parameters using base class const requiredValidation = this.validateRequiredParams(params, ['dataViewID']); if (requiredValidation) { return requiredValidation; } // Execute with standardized error handling return await this.executeWithErrorHandling( `Data View Metadata: ${dataViewID}`, async () => await this.pegaClient.getDataViewMetadata(dataViewID.trim()), { sessionInfo } ); } catch (error) { return { content: [{ type: 'text', text: `## Error: Data View Metadata: ${dataViewID}\n\n**Unexpected Error**: ${error.message}\n\n${sessionInfo ? `**Session**: ${sessionInfo.sessionId} (${sessionInfo.authMode} mode)\n` : ''}*Error occurred at: ${new Date().toISOString()}*` }] }; } } }