Connect HubSpot to Allin with MCP
Everything to prepare to connect this tool to Allin.
This guide is public. It contains no company configuration and grants no Allin access. Share secrets through your usual secure channel.
Technical preparation
- 1
In HubSpot, open Development → MCP Connectors and create a connector named Allin.
- 2
Add the exact OAuth redirect URL shown below, then retrieve the client ID and client secret.
- 3
Save these credentials in Allin, then authorize the HubSpot account in your browser. Allin handles PKCE.
What to give the Allin administrator
The HubSpot connector’s client ID and client secret. Permissions are chosen during authorization.
OAuth redirect URL to register
https://tryallin.com/api/connections/oauth/callbackMCP server address
https://mcp.hubspot.comIf the connection fails
Use the global mcp.hubspot.com server. Check the exact redirect URL; permission changes may require reauthorization.
Next, in Allin
Save the connection, authorize the account if needed, then discover tools. Enable only the tools you need and grant access to the relevant teams or people.
Open setup in Allin