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Connecting HubSpot lets Claude pull pipeline, deal, and contact state in any channel where the connector is on. Claude connects with its own credential, not a person’s. Pair this connector with the HubSpot plugin from Anthropic’s plugin marketplace so Claude knows how to call the API. This connector calls HubSpot’s HTTP API. It isn’t an MCP server or a member’s personal claude.ai connector.

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Create the credential in HubSpot

Create a private app and select the read scopes you need (typically crm.objects.contacts.read, crm.objects.companies.read, crm.objects.deals.read). The private app acts as its own identity in HubSpot’s audit log. HubSpot’s own guide for creating the credential is at developers.hubspot.com.

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Add the connector

Go to Organization settings > Claude Tag > Connectors, click Add, and select HubSpot. Fill in these fields in the connect form. If the connect form offers to include the HubSpot plugin, leave that box selected; otherwise add the plugin on the Skills and plugins tab. The first credential you add for a service from the Connectors tab is on in every workspace and channel as soon as you save it. To give it narrower reach, see where a new connector applies before you save the connector. Click Connect to save the connector. The Agent Proxy injects the credential at the network boundary; the model and the sandbox are not given the key. See how Agent Proxy works.

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Verify the connection

In a channel where the connector is on, in a new thread:
HubSpot appears in the list once the connector is live. New threads pick up the connector on their own; in an existing thread, ask Claude to use the service by name.