Yes, exactly. Integration is where the real power of these agents can live.

I really want an agent that can help me with pretty simple tasks - Hey agent, remember this link and that it is about hyper fast, solar powered, vine ripened, retroencabulators. - Hey agent, remember that me and Bob Retal talked about stories JIRA-42 and JIRA-72 and we agreed to take actions XYZ - Hey agent, schedule a zoom meeting with Joe in the afternoon next Tuesday. - Hey agent, what did I discuss with Bob last week?

Something with retrieval and functional capability could easily end up being easier to use than the actual UIs that are capable of doing these kinds of things now.