HOLOITEMS
/collections - Opens the collections menu
/custommodeldata - Used for setting custom model data
/acquire (Creative only) - Gives a player the selected Holoitem
TELEPORTATION
/waypoints (Alias: /wa) - Opens the waypoints menu
/spawn - Teleports you to Spawn
/sethome - Used to set a home, a location that can be teleported back to at a later point
/home - Teleports player to the location of when they used /sethome
/setcamp - Used to set a camp, a location that can be teleported back to at a later point (Can only be used in the Resource World)
/camp - Teleports player to the location of when they used /setcamp
/rtp - Teleports the player to a random location within 8,000 blocks (Only useable within Resource world)
/tpa - Used to teleport to a player
/tpahere - Used to teleport a player to you
/tpa accept - Used to accept a teleportation request (Alternatively you can press the checkmark symbol in chat)
GRAVES
/graves - Used to view all unclaimed graves and their locations.
PVP
/pvp - Used to check if your pvp is enabled or disabled
/pvp [on/off] - Used to enable or disable pvp
Container Locking
/lock - Used to lock a container, button, sign, door, etc.
/unlock - Used to unlock a container, button, sign, door, etc.
/cinfo - Tells you the owner and lock type of an object
CLAIMING
/claim - Claims an area of a specified radius around the player (You can also use a golden shovel to claim an exact area)
/unclaim - Removes the claim you are standing in
/trust - Gives the specified player full access to your claim (Only use with people you trust)
COMMUNICATION
/mail - Used to mail someone a message
/mail read - Used to read all received mail
/message (Alias: /msg) - Used to private message somebody
/whisper (Alias: /w) - Functions the same as /message
/global (Alias: /g) - Switch to the Global chat channel
/local (Alias: /l) - Switch to the Local chat channel
/join - Join a town chat channel (Can use town abbreviations. ex: "/join PKMK" joins PekoMiko Town chat)
/chlist - List all of the chat channels that you have permission to use
/party (Alias: /pc) - Used to Create/Join a party chat
/me - Used to send messages in a "roleplay" style (Sends messages as actions, ex:"*Steve walks to spawn")
CREATIVE
/plot visit - Used to teleport to another player's plot
/plot claim - Claims the plot you are currently in (Only useable if the plot is not already claimed by somebody else)
/plot auto - Automatically claims an available plot, without you needing to go to it
/plot delete - Deletes a claimed plot and removes everything on it (Warning: this is not reversible. Only delete a plot if you are entirely sure you want it gone)
/plot confirm - Used in conjunction with /plot delete, to confirm that you actually want to delete your plot
/plot home - Teleports you to your plot
/plot biome - Changes your plot's biome
/plot trust - Allows a player to build on your plot (only use with people you trust)
/plot info - Gives info on a specific plot (owner, location, biome, whether you can build in it, etc.)
MISCELLANEOUS
/hub - Sends player to the Hub world
/cmi armorstand - Used to edit armorstands (Positioning, Arm Angle, Leg Angle, Head Angle, Etc.)
/coordinates - Tells you your current coordinates in chat