Unmaintained! And also apparently this is against their TOS so DON'T USE THIS -- Weechat plugin for Discord support - https://weechat.org/ https://discordapp.com/
Display @mentions (and channels, etc) in another color
Maybe apply discord formatting rules into ANSI escape code thingies (should be fairly easy? I think weechat has an API for format strings that you can just dump into a message)
Do things like:
@mentions
(and channels, etc) in another color