diff --git a/totp-auth.sh b/totp-auth.sh
new file mode 100755
index 0000000..552ec52
--- /dev/null
+++ b/totp-auth.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# from: https://gist.github.com/maximlarionov/d24d57990b3c6ce04e36
+# brew install oath-toolkit
+
+oathtool --totp -b "$1"