The AMS chatroom currently resides on IRC. Here is a guide to getting on IRC and joining us.
For easy reading of all AMS related communities and journals, the Orobas Network is very useful to check.
The musebox can be found here! This is perhaps the greatest invention in AMS history. Here, you can test drive any muse, AMS-verse or not, or even just carry out activities that could otherwise not transpire in-game!
The plot box can be found here. Like the musebox, you can use any muse, AMS-verse or not, to participate and create plots that could not transpire in-game.