MCP servers · HubSpot · MCP server
Connect Cursor to HubSpot
One line gives Cursor your HubSpot account as tools: 6 endpoints, contacts, companies, deals, called with your own connection. No key in the prompt, a receipt for every call, revoke Cursor's access alone any time.
Three steps
- Create a free 0n3 account and connect HubSpot. Paste a key or sign in; it lands in your vault, encrypted.
- Install 0n3 into Cursor. One-click install link, or the mcp.json block.
- Ask Cursor: whoami. Then: "Create a contact in HubSpot".
One-click install
The line above carries a placeholder; 0n3.app/install mints a real key named for Cursor and fills it in.
What Cursor can then do in HubSpot
Contacts · Manage contacts3
Create a contact
POST /crm/v3/objects/contactsList contacts
GET /crm/v3/objects/contactsSearch contacts
POST /crm/v3/objects/contacts/searchCompanies · Manage companies1
Create a company
POST /crm/v3/objects/companiesDeals · Manage deals2
Create a deal
POST /crm/v3/objects/dealsList deals
GET /crm/v3/objects/dealsHubSpot in other AI clients
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