Plutonium

@MemzyMan most should work like this: https://forum.plutonium.pw/topic/6966/how-to-use-a-mod-menu-without-injecting-loading-gsc-scripts-client-sided

you should be able to start the match without using xpartygo, just hit start match.

You are already able to join public matches via the server browser. You can use GSC mod menus if you host a dedicated server.