diff --git a/scripts/handle_tmux_automatic_start/osx_warp_start_tmux.sh b/scripts/handle_tmux_automatic_start/osx_warp_start_tmux.sh
new file mode 100755
index 0000000..876042c
--- /dev/null
+++ b/scripts/handle_tmux_automatic_start/osx_warp_start_tmux.sh
@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+# for "true full screen" call the script with "fullscreen" as the first argument
+TRUE_FULL_SCREEN="$1"
+
+start_warp_and_run_tmux() {
+	osascript <<-EOF
+	tell application "warp"
+		activate
+		delay 1
+		tell application "System Events" to tell process "warp"
+			keystroke "tmux attach"
+			key code 36
+		end tell
+	end tell
+	EOF
+}
+
+resize_window_to_full_screen() {
+	osascript <<-EOF
+	tell application "warp"
+		activate
+		tell application "System Events"
+			if (every window of process "warp") is {} then
+				keystroke "n" using command down
+			end if
+
+			tell application "Finder"
+				set desktopSize to bounds of window of desktop
+			end tell
+
+			set position of front window of process "warp" to {0, 0}
+			set size of front window of process "warp" to {item 3 of desktopSize, item 4 of desktopSize}
+		end tell
+	end tell
+	EOF
+}
+
+resize_to_true_full_screen() {
+	osascript <<-EOF
+	tell application "warp"
+		activate
+		delay 1
+		tell application "System Events" to tell process "warp"
+			keystroke "f" using {control down, command down}
+		end tell
+	end tell
+	EOF
+}
+
+main() {
+	start_warp_and_run_tmux
+	if [ "$TRUE_FULL_SCREEN" == "fullscreen" ]; then
+		resize_to_true_full_screen
+	else
+		resize_window_to_full_screen
+	fi
+}
+main