HubSpot MCP Server

import { z } from 'zod'; import { zodToJsonSchema } from 'zod-to-json-schema'; import { BaseTool } from '../baseTool.js'; import HubSpotClient from '../../utils/client.js'; import { HUBSPOT_OBJECT_TYPES } from '../../types/objectTypes.js'; const PropertiesListSchema = z.object({ objectType: z .string() .describe(`The type of HubSpot object to get properties for. Valid values include: ${HUBSPOT_OBJECT_TYPES.join(', ')}. For custom objects, use the hubspot-get-schemas tool to get the objectType.`), archived: z .boolean() .default(false) .describe('Whether to return only properties that have been archived.'), includeHidden: z .boolean() .default(false) .describe('Whether to include hidden properties in the response.'), }); const ToolDefinition = { name: 'hubspot-list-properties', description: ` 🎯 Purpose: 1. This tool retrieves a complete catalog of properties for any HubSpot object type. 🧭 Usage Guidance: 1. This API has a large response that can consume a lot of tokens. Use the hubspot-list-objects tool to sample existing objects for the object type first. 2. Try to use the hubspot-get-property tool to get a specific property. 3. Use at the beginning of workflows to understand available data structures. `, inputSchema: zodToJsonSchema(PropertiesListSchema), annotations: { title: 'List CRM Properties', readOnlyHint: true, destructiveHint: false, idempotentHint: true, openWorldHint: true, }, }; export class PropertiesListTool extends BaseTool { client; constructor() { super(PropertiesListSchema, ToolDefinition); this.client = new HubSpotClient(); } async process(args) { try { const queryParams = new URLSearchParams(); queryParams.append('archived', args.archived?.toString() || 'false'); queryParams.append('includeHidden', args.includeHidden?.toString() || 'false'); const response = await this.client.get(`/crm/v3/properties/${args.objectType}?${queryParams.toString()}`); // Filter each result to only include the specified fields const filteredResults = response.results.map((property) => ({ name: property.name, label: property.label, type: property.type, description: property.description, groupName: property.groupName, })); return { content: [ { type: 'text', text: JSON.stringify({ results: filteredResults, paging: response.paging, }, null, 2), }, ], }; } catch (error) { return { content: [ { type: 'text', text: `Error listing HubSpot properties for ${args.objectType}: ${error instanceof Error ? error.message : String(error)}`, }, ], isError: true, }; } } }