choices => [ 'Exit', 'Add Server', @{$$menu_array[0]} ]

##</code><code>##

[
  [ "server_name_1" ],
  [ "server_name_2" ],
]

##</code><code>##

$answer = $term->get_reply(
                    prompt  => 'Select Server: ',
                    choices => [ 'Exit', 'Add Server', map { $_->[0] } @$menu_array ]);