Claims

/sc - Opens up the quick claiming party GUI
/sc claim - Claims the chunk the user is standing on (will create a party if the user doesn't have one)
/sc unclaim - Unclaims the chunk the user is standing on if the chunk belongs to its party
/scp create - Creates a party and opens the party edit GUI
/scp invite <player_name> - Invites player_name to your party
/scp invite-accept - Accepts your most recent party invite
/scp leave - Leaves your current party, if you are the owner of the party ownership will be transfered to the first member for the party, if there aren't any member the party will be removed and all the chunks unclaimed