diff --git a/bin/upsy-desky b/bin/upsy-desky
new file mode 100755
index 0000000..d820440
--- /dev/null
+++ b/bin/upsy-desky
@@ -0,0 +1,30 @@
+#!/bin/bash
+# Moves desk up or down.
+set -euo pipefail
+
+COMMAND="${1:-}"
+
+usage() {
+  echo "Usage: ${0} <up|down>" >&2
+  exit 1
+}
+
+[ -z "$COMMAND" ] && usage
+
+POWER_TYPE="$(pmset -g batt | grep -Eo '(Battery|AC) Power')"
+[ "${POWER_TYPE}" != "AC Power" ] && exit 0
+
+LID_UP="$(ioreg -r -k AppleClamshellState | grep AppleClamshellState | awk '{print $4}')"
+[ "${LID_UP}" != "No" ] && exit 0
+
+DESK_IP_ADDRESS="10.0.0.45"
+
+if [ "$COMMAND" == "up" ]; then
+  DESK_PRESS_URL="http://${DESK_IP_ADDRESS}/button/desk_preset_1/press"
+elif [ "$COMMAND" == "down" ]; then
+  DESK_PRESS_URL="http://${DESK_IP_ADDRESS}/button/desk_preset_2/press"
+else
+  usage
+fi
+
+curl -X POST "${DESK_PRESS_URL}" &>/dev/null