OP, you can also check out Seuntjie' DiceBot. It is free and open source, and has been around since 2013, if I'm not mistaken. It works with most dice gambling websites.

Official thread: https://bitcointalk.org/index.php?topic=307425.0
Website: https://bot.seuntjie.com/ (Always be sure to download software from an official website and check the MD5 checksum.)