Untested

Code:
on *:text:!recent:#:{
  var %stream = $mid(#,2-), %url = https://api.twitch.tv/kraken/channels/ $+ %stream $+ /follows?limit=3

  jsonopen -ud follows %url

  var %list, %i = 0, %count = $json(follows,follows,length)
  while (%i < %count) {
    var %display_name = $json(follows,follows,%i,user,display_name)

    %list = $addtok(%list,%display_name,32)
    inc %i
  }

  msg # Recent followers are: %list
}