MXP (Mud eXtension Protocol)

MXP provides a markup language based loosely upon HTML and XML, designed to provide better communication between the server and client. You can read more about it here.

Of the 166 active characters on God Wars II, 118 use MXP, and of those only 44 last connected from a unique IP address. These 44 characters are broken down by client as follows:

MUSHCLIENT 32 (72.7%)
MUDLET 11 (25.0%)
CMUD 1 (2.2%)