I guess this comes close to what you want (somewhat):
http://www.esoui.com/forums/showthread.php?t=725
At least it 's a start. It still requires Clients to be running an Addon to dump data to Lua thought. Unless ZOS itself makes an Web-API to query Serverinfo I guess you'll have to rely on something like that. And keep in mind that Lua hasn't any Networking functions build in.
Edit:
Oh ****, it 's already that late ... going to have to cook now!