diff --git a/hooks/desktop-notification.sh b/hooks/desktop-notification.sh
new file mode 100755
index 0000000..3722f58
--- /dev/null
+++ b/hooks/desktop-notification.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+# Send desktop notification using osascript (macOS)
+
+input=$(cat)
+message=$(echo "$input" | jq -r '.message')
+level=$(echo "$input" | jq -r '.level')
+
+# Display the notification (show subtitle only for warning/error)
+if [ "$level" = "error" ]; then
+  osascript -e "display notification \"$message\" with title \"Letta Code\" subtitle \"Error\""
+elif [ "$level" = "warning" ]; then
+  osascript -e "display notification \"$message\" with title \"Letta Code\" subtitle \"Warning\""
+else
+  osascript -e "display notification \"$message\" with title \"Letta Code\""
+fi
+
+exit 0