
Packet Ninja
Customize logging for incoming and outgoing packets. Mod for developers.
Screenshots




About this Mod

A utility mod used to customize logging for incoming and outgoing packets.
The aim is to make working with packets, specifically during development, a little easier to debug! :)
Screenshots:



Features:
Pretty packet formatting:
There are plans on supporting all packets; currently there is full formatting for the essentials:
Clientbound
- ClientboundAddEntityPacket
- ClientboundCustomPayloadPacket
- ClientboundRemoveEntitiesPacket
- SetPassengersHandler
Serverbound
- ServerboundInteractPacket
- ServerboundPlayerActionPacket
- ServerboundSwingPacket
⚠️ Warning
This mod is under active development, not all packet types have nice formatting (if any).
Available Versions
How to Install Packet Ninja on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Packet Ninja". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.8
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Packet Ninja server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is Packet Ninja compatible with fabric?
Packet Ninja officially supports fabric for Minecraft 1.21.11, 1.21.10, 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Packet Ninja – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Packet Ninja consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Packet Ninja with just one click on your server.