Get any agent to come to you first. I wrote a prompt, put it on an hourly schedule, and ended up with something close to Muse's proactive messaging. The quality on Hermes genuinely surprised me: it only reaches out when it actually has high-value stuff to send. Can't show it in action without leaking personal info, but the prompt is yours to copy — schedule it and see what you get.
Get any agent to come to you first.