List of commands
Warps
> /warp <world>
> /warps
Teleporting
> /tpa <username>
> /tpaccept
> /tpahere <username>
> /tpacancel
Nicknames
> /nick <username>
> /realname [username¦nickname]
Online Status
> /seen <username>
Respawn
> /suicide
World-Specific Commands — Creative
> /setblock <pos> <block> [destroy¦keep¦replace]
> /flyspeed <speed>