Operator Util is a server-side Fabric moderation mod for Minecraft Java 26.1.2. It adds practical operator tools for inspecting players, managing chat, tracking staff notes, and handling basic moderation without requiring players to install anything client-side.

Commands

/inv view <playername>
Opens a read-only snapshot of a player’s inventory.

/inv ender <playername>
Opens a read-only snapshot of a player’s ender chest.

/mute <playername>
Prevents a player from sending chat messages.

/unmute <playername>
Allows a muted player to chat again.

/mutelist
Shows all currently muted players.

/freeze <playername>
Freezes a player in place and blocks interactions.

/unfreeze <playername>
Allows a frozen player to move and interact again.

/vanish
Toggles vanish mode for the operator using server-side invisibility and silence.

/staffchat <message>
Sends a private message to online operators.

/sc <message>
Short version of /staffchat.

/seen <playername>
Shows whether a known player is online and when they were last seen.

/where <playername>
Shows a player’s current dimension and coordinates.

/tpquiet <playername>
Teleports you to a player without broadcasting a public message.

/warn <playername> <reason>
Sends a warning to a player and saves it to staff records.

/notes <playername>
Shows saved staff notes for a player.

/notes add <playername> <note>
Adds a staff-only note to a player’s record.

/kickall <reason>
Kicks all non-operator players with the given reason, useful for maintenance.

Data Storage

Mutes, seen data, warnings, and staff notes are saved in:

config/operator-util.json

Installation

Install the mod on the server only. Players do not need to install it on their clients.