Minecraft "Velocity" Proxy's includes a command to allow the player to switch between servers /server <servername>,
but the command does not actually exist on the servers themselves. This causes issues when you'd like to run the command through another source like a normal ingame command, via another mod, MCF or a command block.
This mod adds that command to the fabric server and can be used like any other command, but emulates the functionally of the Velocity Proxy server switch
command: /velocityserverswitch <servername>
permissions node to enable use: velocityserverswitch.command
and to enable a server veloccityserverswitch.<server>
for eg veloccityserverswitch.survival
if they dont have permission to enter, the user will get a message telling them so.