Travel, purchases, quests and inventory are all the same call with a different command name. Combat is the exception -- damage isn’t a remote at all, which is what shapes the entire farm.
loadstring(game:HttpGet("https://rvhub.wtf/loader.lua"))()
Every label matches what you'll see in-game. Nothing generic is bolted on -- each hub is only the calls that game actually makes.
The limits are worth knowing before you assume something's broken.
One key, one loader, every module above.