CLI Arguments? Site URLs?

[ThreedResident]

I'd like to pass youtube/bandcamp/soundcloud links to nuclear to open.

Motivation: I wrote a python script set as my default web browser (EG when I click links in discord or emails the script gets them) to forward those links to Freetube and some other electron clients (other URLs forwarded to actual web browser). I'd like to start directing these media links to nuclear (music youtube links only, videos still go to Freetube; I'll parse with BeautifulSoup), but nuclear doesn't accept URL arguments as far as I can tell.

(I've seen references in discussions to "--no-sandbox", "--trace-deprecation" and few other arguments, seem to be for Electron itself. I've made a cursory check through the codebase, "fetchNuclearParams" is only something to do with the internal services API...)