Mine

on *:INVITE:#:{
  .join $chan | .set %nick $nick
}

raw 353:*:{
  var %a 1
  while (%a <= $numtok($4-,32)) {
    if (($gettok($4-,%a,32) == %nick) || (($right($gettok($4-,%a,32),-1) == %nick) && ($left($gettok($4-,%a,32),1) == +)) || ($left($gettok($4-,%a,32),-1) == %)) { .part $3 Invited by non-op $gettok($4-,%a,32) $+ . | halt }
    else { inc %a 1 }
  }
}