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 How to connect to GCP using agent-based connections?

masafumi seino's profile image
masafumi seino posted Fri July 04, 2025 06:51 AM

Has anyone been able to successfully authenticate with GCP using agent-based connections in Watsonx Orchestrate?
I'm currently testing this on a trial instance with the agent-based setup, and I can't get past the GCP authentication step.

I consistently receive the error message:
missing parameter: scope

From what I can see, the scope parameter isn't included in the generated request (confirmed via the HAR file).

If anyone has managed to get past this authentication step, I’d really appreciate it if you could share how you did it.

Thanks in advance!

Laurent de Clermont-Tonnerre's profile image
Laurent de Clermont-Tonnerre

Which tool are you looking to connect? Which authentication mechanism are you selecting?

masafumi seino's profile image
masafumi seino

Thank you for your response.

Since this is just a trial, any Google tool would be fine for testing purposes.
To start with, I selected the "Create a folder in Google Drive" tool.

However, even before reaching that point, I ran into an issue when trying to connect to Google from the connection definition screen as a member.
Google refused to authenticate me, and the error message I received was:

"Missing required parameter: scope."

When I reviewed the connection definition, I noticed that the scope field was blank, so it seems like the scope was not saved or sent correctly.

Do you have any advice or a working example of how to configure this properly?