Run this on each Mac and it joins the Fleet — a single window that shows every one of your Macs on the same network side-by-side, live: chip, memory, GPU, storage, what's running, and what each can do. Two machines running it discover each other automatically and exchange their full info on the spot.
The no-warnings way (it's a script, not a downloaded file, so macOS doesn't quarantine it):
curl -fsSL https://raw.githubusercontent.com/esaruoho/apple/main/fleet/install-fleet.sh | bash
Download fleet.command → double-click it.
The first time, macOS will say it's "from an unidentified developer" (every downloaded script gets that). Right-click the file → Open → Open once, and it runs. After that, double-click works normally.
the fleet and answers other Macs.
still appear — live, full data — in every other Mac's Fleet window.
Macs stay hidden.
Re-run it anytime to update. That's it — hit the next Mac.