Itematic

A mod that adds data-driven items to the game, and much more!

777 Downloads

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About this Mod

Itematic

The mod that adds data-driven items.
You can easily add your own items to your world!
Just define an item in your data pack and resource pack and you're all set!
Features include:

Custom items
Customisable Creative inventory item stacks
Item events
Villager trades
Actions to use in various contexts

Tools and Examples

These are tools to help create your own items and more:

This is a repository with examples: https://github.com/ErrorCraft/Itematic-Examples

Available Versions

Itematic 0.5.0 for 1.21.3release

MC 1.21.2, 1.21.3fabric

March 10, 2026

Itematic 0.5.0 for 1.21.1release

MC 1.21, 1.21.1fabric

March 10, 2026

Itematic 0.4.1 for 1.21.1release

MC 1.21, 1.21.1fabric

January 26, 2026

Itematic 0.4.0 for 1.21.1release

MC 1.21, 1.21.1fabric

January 25, 2026

Itematic 0.4.0 for 1.20.6release

MC 1.20.5, 1.20.6fabric

January 25, 2026

How to Install Itematic 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 (1.21.5).

Install Mod

Open the mod browser in the dashboard and search for "Itematic". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.5, 1.21.3, 1.21.2 (+5 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Itematic 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 (1.21.5). You can switch loaders with one click in the panel.

Is Itematic compatible with fabric?

Itematic officially supports fabric for Minecraft 1.21.5, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Itematic – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Itematic 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.