I'm not for or against it, though it probably should be internal it is easy to implement with script, just two lines of code
- on $^*:hotlink:/\birc\72\/\/\S+/Si:*:return
on $*:hotlink:/\birc\72\/\/\S+/Si:*:run $1
With "Chat links" & "Confirm requests" both enabled in Options > IRC > Catcher you get a dialogue asking whether to change servers, open a new connection, or (if a channel is specified) to join the channel on the current server
