They discourage custom clients and also they discourage browser extensions that ...

They discourage custom clients and also they discourage browser extensions that modify the discord interface (like Better Discord)

I don't think they will send the banhammer down on you unless you use it for spamming or "self-botting" but it still seems a bit risky

Ripcord seems to have survived this long without incident for its users, for example

But they might start cracking down if a certain % of people start using other clients