It's simply just either a LLM-cron job OR a telegram/email/etc chat connector to a sandboxed LLM. For former can be solved with regular cron jobs and the later can be done via manual code or Gemini Gems (if you use google).

Email summarization, calendar notifications, briefing documents, .. the list goes on. Think of anything knowledge-based that's moderately repetitive you don't want to do, and just ask

Hooking it up to your todo app and texting your bot to manage things. Assuming you’re a heavy todo app person that could benefit from such things.

The non-answer is anything you want.

For me, it's my diet and workout buddy. It knows my goals, keeps me on track, does meal planning for me, gives me grocery lists, logs what I eat, when I exercise... anything I want so I don't slack off.

I've enhanced Nanoclaw quite a bit. Moved it to Apple containers (shipped with this Skill already). Then I wrote an API for Nanoclaw to use (food log, workouts, etc), then implemented long-term memory using LanceDB (because I was tired of repeating myself!).