Ahoy, I added a new configurable called swank:*globally-redirect-io*. If you set this to true in your ~/.swank.lisp then we hijack the standard streams globally for the duration of the SLIME connection. That way e.g. serve-event handler output will go to the REPL instead of *inferior-lisp*. Currently it doesn't redirect *standard-input*. That's trickier since we can get the Lisp's native REPL trying to read its input from our SLIME REPL :-). You can also globally install SLDB as the debugger like this: (setq *debugger-hook* #'swank:swank-debugger-hook) But that's old news.. Cheers, Luke (who just found his first use for synonym streams)