Marian and I were discussing the issue that it's not clear whether or not a connection to OpenShift 3 is established or not - in the OpenShift Explorer view.
So here's a suggestion:
When you expand your OpenShift connection and there is no project yet, we could display an item like this:
No projects are available. Click this link to create a new project...

This would be similar to what Server view display if there are no servers yet.

This is related to JBIDE-21871 where we discussed how to make it clearer that an OpenShift connection is active and working.
For CDK, we will hopefully have a default project via https://github.com/projectatomic/adb-utils/pull/78 so this won't be an issue, but you cannot guarantee that there will always be a project on all OpenShift 3 instances, so it would still be a good idea to have what we suggest above.