
Modrinth · Minecraft mod
MoulberrysTweaks
A collection of client-side tweaks, primarily useful for developers and creators
Quick answer
Which MoulberrysTweaks release should I use?
MoulberrysTweaks 1.0.4 targets 1.21.6, 1.21.7, 1.21.8 with Fabric. It must be installed on the client. Do not install it on the dedicated server. All 1 required mods have matching files.
Where it goes
Is MoulberrysTweaks required on the client, server, or both?
It must be installed on the client. Do not install it on the dedicated server.
This file is marked client-only.
What else does MoulberrysTweaks 1.0.4 need?
1.0.4. Change the file and its required mods may change too.
Install Fabric API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add MoulberrysTweaks without breaking your instance.
Built for MoulberrysTweaks 1.0.4. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.0.4. It targets 1.21.6, 1.21.7, 1.21.8 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
It must be installed on the client. Do not install it on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.0.4. It opens that exact file at the source.
About this project
What does MoulberrysTweaks add?
A collection of client-side tweaks, primarily useful for developers and creators.
Note: Most features are disabled by default. Run /moulberrystweaks to access the config and enable the features that you want.
Video showcase (1.0.2)
Item Component & Inventory Packet viewers

Features
- Gameplay
- Confirm Disconnect Button
- Adds a confirmation when disconnecting from a server to avoid accidental disconnects
- Attack Indicator Fix (MC-255058)
- Makes the attack indicator bar show the correct value visually
- Prevent Server Closing Pause Screen
- Prevents the server from closing your pause screen and other sub-screens
- Confirm Disconnect Button
- Resource Loading Overlay
- Fast Loading Overlay
- Speeds up the resource loading overlay by removing the fade out animation
- Transparent Loading Overlay
- Removes the background from the resource loading overlay
- Fast Loading Overlay
- Resource Pack
- Automatic Pack Reload
- Automatically reloads resourcepacks when a file in the folder is changed
- Disable Warnings
- Disables the warning screen when toggling resourcepacks with the wrong version
- Automatic Pack Reload
- Debugging
- Log Packet Exceptions
- Prints the stacktrace of a packet exception, useful for debugging
- Ignore Narrator Error
- If the narrator can't be loaded, stop the game from complaining about it
- Send Debug Movement
- Sends debug movement data to the server every tick. Useful for anticheat developers (moulberrystweaks:debug_movement_data)
- Item Component Widget
- Keybind to open a widget showing item component data
- Packet Debug Widget
- Keybind to open a widget showing incoming and outgoing inventory packets. Useful for server developers
- Log Packet Exceptions
- Commands
- Auto Vanish Players
- Command to automatically vanish players that are nearby. Useful for parkour servers so you can see where to go
- Dump Held Item Json
- Prints the serialized json of the item you are holding. Useful for developers
- Generate Font Width Table
- Writes a file containing the width of every font character. Useful for developers of external tools/software
- Dump Player Attributes
- Dumps the entity attributes of the player entity. Useful for developers
- Debug Render
- Allows hiding/clearing debug renders sent by the server using the debug_render protocol. Useful for developers
- Auto Vanish Players
Additional protocols
See GitHub repository for implementations
Debug Render
This protocol allows servers to render custom shapes on the client
- debugrender:add
- debugrender:clear_namespace
- debugrender:clear
- debugrender:remove
Debug Movement
This protocol sends debug movement data to the server. Useful for anticheat developers
- moulberrystweaks:debug_movement_data
Project description from Modrinth.
Pick your setup
MoulberrysTweaks by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.8
1 loader build1.21.7
1 loader build1.21.6
1 loader build1.21.5
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
MoulberrysTweaks versions and loaders
1.0.4
MoulberrysTweaks-1.0.4-for-MC1.21.8.jar
21 Aug 2025
1.0.4
MoulberrysTweaks-1.0.4-for-MC1.21.5.jar
21 Aug 2025
1.0.3
MoulberrysTweaks-1.0.3-for-MC1.21.5.jar
20 Jul 2025
Looking for an older file? The official Modrinth project page is in Resources.