The connect client claims that data on a Globus endpoint can be expressed as "globus://endpoint/path/" https://github.com/materials-data-facility/connect_client/blob/master/mdf_connect_client/mdfcc.py#L272 It does not look we support that on the AWS branch https://github.com/materials-data-facility/connect_server/blob/prod/aws/automate_manager.py#L187