krdp comes with a background daemon "krdpserver" and an associated systemd service file On OpenRC systems this service fails to start. Source code for the service is available for reference here: https://invent.kde.org/plasma/krdp/-/blob/master/server/plasma-krdp_server.service.in?ref_type=heads
Please add the output of `emerge --info` and the version of kde-plasma/krdp you are using.
Created attachment 898282 [details] emerge --info
Installed versions: 6.1.3(6)^t(01:44:52 PM 07/16/2024)(-debug -examples -test)