Hi Adam,
if you can install an agent within your server and connect it to your Management Group either through Gateway or directly. Then it will get monitored automatically. This of course will only cover this particular server.
If your question relates to monitoring all your AWS based ressources, then I can confirm that there isn't a newer version of the MP you referenced. So I don't think this would be posssilble, although I haven't tested the MP in question.
Te page Xin Guo referneced isn't maintened anymore unfortunately. The one, which is (see link bellow) contains only Microsoft Management Packs:
Unfortunatelly it will also be decomissioned soon.
I hope I could help you out!
(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Stoyan Chalakov