I don't think slack bans clients. They even document their API…
I maintain an IRC gateway and have never been harassed (except by users using whatever strange distribution and being unable to figure out how to run the thing… they could just get debian but noooo)
I maintain an IRC gateway and have never been harassed (except by users using whatever strange distribution and being unable to figure out how to run the thing… they could just get debian but noooo)