Does the Group Finder have Decent APIs?

[SerLoras]

How add-on friendly is the new Group Finder tool in Update 40? Is there the potential for some interesting new add-on integrations with it?

For example, could someone create an add-on that watches the group finder and notifies you when there are new groups that fit certain filter criteria?

Or maybe an add-on could auto accept group applications if a certain desired achievement is linked in the application message?