I don't use OpenClaw, but rather Hermes. I have a set schedule that kicks off Hermes to scan my home network for anything out of sorts, and generate a summary that it sends to me via SimpleX. For this, Hermes uses tools such as nmap, etc (it decided which tools were best).

I think if I was running my own business or organisation, I'd be using it more. However, for "home" stuff, like you I struggle to think of useful tasks for agents to do for me.