https://mcp.hubspot.com
Your Client Secret is stored in your OS credential store — Keychain on macOS,
Credential Manager on Windows — and is never sent to Viorant’s servers. See
Bring your own OAuth app for the general flow.
Create the MCP auth app
1
Open MCP auth apps
In your HubSpot account, go to Development → MCP Auth Apps and click Create
MCP auth app.
2
Name the app and add the redirect URL
Enter an app name and, for the redirect URL, paste the redirect URI the Hub
shows you in the connector setup.
3
Get the credentials
HubSpot generates a Client ID and Client Secret for you — copy both.
You don’t set scopes for an MCP auth app. Available scopes are determined by the
tools the server exposes and what you approve when you connect.
Connect in the Hub
1
Add the connector
Add a connector with the URL
https://mcp.hubspot.com.2
Paste your credentials and connect
Enter your Client ID and Client Secret, click Connect, and approve
the access you want to grant in your browser.