Commands are divided into two groups: one dealing with writing a program and another where commands manipulate a crab directly.
JS
With those commands you can program a crab inside Minecraft. Each player can write her or his own program line by line and execute it pointing at a crab and running command /js run
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Command signature
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Description
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/js [line] [code]
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Insert a line of JavaScript code into current program at a given line number.
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/js clear
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Clear current program.
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/js files
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Display player's file list.
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/js list
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Display contents of current program.
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/js load [filename]
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Load contents of a given file into current program.
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/js renum
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Renumber current program's lines.
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/js run
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Run current program.
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/js runall
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Run current program on all player's crabs.
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/js save [filename]
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Save current program to a given file.
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/js stop
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Stop execution of crab's program.
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/js stopall
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Stop execution of all crabs programs.
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Crab
Managing crabs
Command signature
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Description
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/crab list
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Display a list of your crabs living in the world.
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/crab name [name]
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Give a particular name to the crab.
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/crab creative [on or off]
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Change the mode to creative. Under the creative mode you can place blocks without them being taken from the crab's inventory.
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Moving a crab
Command signature
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Description
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/crab back
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Move crab back.
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/crab down
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Move crab down.
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/crab forward
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Move crab forward.
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/crab move
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Move a crab that's standing in the way.
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/crab stepLeft
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Move crab left.
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/crab stepRight
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Move crab right.
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/crab turnLeft
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Turn crab left.
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/crab turnRight
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Turn crab right.
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/crab up
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Move crab up.
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Teleportation
Command signature
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Description
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/crab delhome [home name]
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Remove a named position.
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/crab here [crab name]
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Teleport the crab with a given name onto the block pointed at by the player.
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/crab home [home name]
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Teleport the crab pointed at by the player to the position saved under the given name.
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/crab sethome [home name]
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Save the position that the player is looking at under the given name.
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/crab tp [crab name]
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Teleport the player to where the crab with the given name is located.
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/crab listhome
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Display a list with all saved positions.
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Interacting with the world
Command signature
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Description
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/crab dig
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Make the crab dig.
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/crab inspect
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Inspect the block in front of the crab.
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/crab place [slot]
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Place the item at a given slot in the crab's inventory in front of the crab.
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