Commands: /coords show - shows your coordinates on the actionbar
/coords hide - hides your coordinates
/coords share [player] - shares your location with the others
/coords save <name> [public/private] - saves your location
/coords remove <name> [public/private] - removes saved locations
/coords list <name> [public/private] - lists saved locations
/coords get <player> - gives you the coordinates of a player (permission required: coords.get)