Gamemode
The /gamemode command lets you change a connected player's game mode without needing to log in in-game.
Usage
Run /gamemode and select the required gamemode alongside the player's identity.
Arguments
gamemode: Required type (Survival, Creative, Adventure, Spectator).username: Limit target by Minecraft username. (Eitherusernameorusermust be provided).user: Limit target by Discord user mention.