Empyralis for Mac
A native app for your Mac. Install it and this computer becomes an Agent Computer — no pairing token pasted into a terminal, no command to get wrong.
Download for MacmacOS will say this app is from an unidentified developer the first time you open it — that's expected, not a sign anything is wrong. Right-click the app and choose Open once.
On an Intel Mac, or on Windows or Linux? Sign in and connect a computer from Settings instead — every platform with a real install path is offered there.