Make a lobby list for Minecraft servers so it's easy to find people to play with (something Minecraft is desperately lacking), have a filter to switch between servers and realms, game mode, country, game version, mods or no mods, when you click into one it brings up a chat box and server address so you can ask directly for whitelist or to be added to the realm/server, have it ping the server or realm owner when someone wants to join, filter it by time with the newer ones on top and only keep up servers that are a) online, b) logged into curse forge website, c) have posted in the last 4 hours.
One of the biggest disappointments in Minecraft in the lack of a lobby list, filling this need would bring a lot of traffic to curseforge and make it an integral part of the game itself.