This is a plugin for staff it is called commandspy and it lets the staff to see the players commands. i thought i would suggest this because not a lot of servers know about this plugin.
Here is the link!: http://www.curse.com/bukkit-plugins/minecraft/commandspy#t1:other-downloads
P.S if you do decide to get this remember to go to "other downloads" and get the 1.2.5 download.