CommandSpy

CommandSpy is a mod for Minecraft that allows administrators and server operators to track in real time which commands players are executing. It is ideal for detecting illegal actions, training new moderators and monitoring the use of admin teams.

Main features

• Real time — all commands entered by the players are instantly displayed in the administrator's chat and/or in the server console.
• Logging — by default, all commands are written to the logs/latest.log file for subsequent analysis.

Mod Commands

/spy - Toggles the ability to view the commands written by the players in the game. 

By default, it is written to the log. When enabling this command in the chat to the administrator and in the console. Only the OP can execute it.