Minecraft Modding 101

Instructions for Making Minecraft Mods in 2025

This tutorial is to be used along with this code repo : https://github.com/krisrandall/minecraft_mod_fabric_2025_super_pickaxe

It is for Minecraft (and Fabric) version 1.21.5.

In 2013 I ran workshops after school at the local neighborhood center, teaching young folks programming via creating Minecraft mods.

This year my nephew and I decided we would like to make a mod.

It turned out to be far, far more difficult now than it was 12 years ago — largely, I think, because Minecraft changed so much over the past decade and there is so much information on the internet that does not work for the latest versions.

Also, I was unable find a single working example of mod source code.

That is why I’m publishing this tutorial.

Quick Overview

To be able to follow this tutorial to make a Minecraft mod, you will need to be able to do the following:

• Get the sourcecode downloaded from the repository using git
• Have the latest Java installed and working
• Have Minecraft version 1.21.5
• and Fabric version 1.21.5…