This snippet will add a !info trigger to your bot. The script gets the information from the server, with a quick call to /list. Because this only searches /list for an exact match, it uses very little resources.
To use: Paste into remotes of the bot, save and then type !info channelname | !info #channelname
From another client.
This will return the number of users and the topic from any channel that shows up on /list.

;!info Channel info by Ford_Lawnmower irc.abjects.net #mIRC
Menu Channel,Status {
  -
  .$iif($group(#info.Trigger) == On,$style(1)) !list Channel Info 
  ..$iif($group(#info.Trigger) == On,$style(2)) Trigger On: .enable #info.Trigger
  ..$iif($group(#info.Trigger) == Off,$style(2)) Trigger Off: .disable #info.Trigger
}
#list.info on
raw 321:*:{ haltdef }
raw 322:*:{
  haltdef
  set -u6 %list.result $2
  .msg %InfoChan 06Information 09for07 $2 
  tokenize 32 $3 $iif($left($4,1) != $chr(91),N/A) $4-
  .msg %InfoChan 06Users 09=07 $1 06Modes 09=07 $2 
  .msg %InfoChan 06Topic 09= $3-
}
raw 323:*:{
  haltdef
  Window -c $qt(Channels List)
  if (!%list.result) { .msg %InfoChan No Such Channel %ChanName }
  unset %InfoChan %list.result
  .disable #list.info
}
#list.info end
#info.trigger on
on $*:Text:/^!info\s(.*)/Si:#:{
  if (!$timer($+(listinfo,$network,$chan))) {
    $+(.timerlistinfo,$network,$chan) 1 4 noop
    var %listchan $regml(1)
    if (%listchan) {
      .enable #list.info
      set -u6 %InfoChan $chan
      list $iif($left(%listchan,1) == $chr(35),%listchan,$+($chr(35),%listchan))
      else .msg $chan Syntax is !info channelname
    }
  }
}
#info.trigger End