AntiMineChat prevents the use of MineChat clients through several features. MineChat uses Mojang's official login protocols so it is impossible to differentiate between a MC client and MineChat. However, AntiMineChat provides ways to detect if a player might be using MineChat through several features, and can then kick that player.
Drag and drop AntiMineChat.jar into your servers plugin directory.
View the default configuration here.
None!
antiminechat.bypass - Bypass all AntiMineChat features.