With so many popular content creators and streamers involved in Noxcrew's MC Championship event, there are always going to be eager fans who want to join the event's corresponding Minecraft server.
As of right now, the developers don't plan to release a public MC Championship server. But that could change in time.
Since 2011, the Noxcrew group has been creating maps, assets, and other assets for Minecraft. Minecraft Servers They are an official part on the Minecraft Marketplace. And outside of testing or other events, the MC Championship server is going to remain in use only for the main event.
Mini-games are kept private to preserve the event's special atmosphere. If the games were made public, it could ruin the quality of the viewing experience as many people would rather play them by themselves than watch the content creators.
The Noxcrew team created all code, builds, assets and sounds for the server. It is entirely within the developer's right to keep the details and assets private for their event.
As of now, you can only participate in the MC Championship event through community tests that Noxcrew runs. These tests are done to ensure that everything works on the server. If you're interested in helping with those tests, join the Noxcrew Discord. You can find more details there.