How do you create a Minecraft Forge mod?

Who this is for: Aspiring modders with basic programming knowledge who want to create custom content for Minecraft.


Ready to jump in? Play minecraft games to explore different gameplay styles and get inspired for your own mod ideas.

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Setting Up Your Development Environment

Before diving into mod creation, you’ll need to prepare your workspace. Download and install the latest Java Development Kit (JDK) – Minecraft Forge requires JDK 17 or newer for recent versions. Next, grab an Integrated Development Environment (IDE) like IntelliJ IDEA or Eclipse, which will make coding much easier with features like auto-completion and debugging tools.

Head over to the official Minecraft Forge website and download the Mod Development Kit (MDK) for your target Minecraft version. This package contains all the essential files and templates you’ll need to get started quickly.

Creating Your First Mod Project

Extract the MDK to a new folder and open it in your IDE. The template includes several important files:

  • build.gradle – Controls how your mod compiles and what dependencies it uses
  • mods.toml – Contains metadata about your mod like name, version, and description
  • ExampleMod.java – A basic mod class you can modify or replace

Run the ./gradlew genEclipseRuns or ./gradlew genIntellijRuns command (depending on your IDE) to set up the development environment. This creates run configurations that let you test your mod directly from the IDE.

Understanding Mod Structure and Basic Concepts

Minecraft Forge mods follow a specific architecture. Your main mod class should be annotated with @Mod and contain the mod ID. This class acts as the entry point where Forge loads your modifications.

Key concepts you’ll work with include:

  • Items and Blocks – The building blocks of your mod’s content
  • Recipes – How players craft your custom items
  • Events – Hooks that let your mod respond to game actions
  • Data Generation – Automated creation of recipes, loot tables, and models

Adding Your First Custom Item

Start simple by creating a custom item. Create a new class that extends Item and register it using Forge’s registration system. You’ll need to create corresponding JSON files for the item’s model, texture, and potentially recipes. The data generation system can automate much of this process once you understand the basics.

Test frequently by running your mod in the development environment. This lets you see changes immediately and catch errors early in the development process.

Building and Distributing Your Mod

When you’re ready to share your creation, use the ./gradlew build command to compile everything into a .jar file. This file can be placed in the mods folder of any Minecraft installation with the corresponding Forge version.

Consider uploading your finished mod to platforms like CurseForge or Modrinth where other players can easily discover and download it. For those looking to explore existing mods and get inspiration for their own creations, you might want to check out some Minecraft games that showcase the incredible possibilities of modded gameplay.

TL;DR

Create Minecraft Forge mods by setting up a development environment with JDK and IDE, downloading the official MDK, and following Forge’s registration system to add custom items, blocks, and features.

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Joyst1ck

Gaming Writer & HTML5 Developer

Answering gaming questions—from Roblox and Minecraft to the latest indie hits. I write developer‑focused HTML5 articles and share practical tips on game design, monetisation, and scripting.

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