Minecraft Forge Mod Development

Create Forge MDK projects with DeferredRegister, event buses, and SimpleChannel networking.

4|Updated Apr 25, 2026
One-click install
npx skills add https://github.com/mrquentin/minecraft-skills --skill minecraft-forge-mod-development
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: Minecraft Forge Mod Development
Source: https://github.com/mrquentin/minecraft-skills/tree/main/skills/minecraft-forge
Command: npx skills add https://github.com/mrquentin/minecraft-skills --skill minecraft-forge-mod-development

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Forge mod development can be error-prone and version-specific. This skill provides a structured, modern approach to building Forge mods, including registration via DeferredRegister, event-driven architecture, networking, data generation, and inter-mod compatibility for 1.18–1.20.x.

Core Features & Use Cases

  • Modern, data-driven mod scaffolding for Forge 1.18–1.20.x
  • DeferredRegister-based registration, event buses, and SimpleChannel networking
  • Data generation, configuration, capabilities, and inter-mod compatibility guidance

Quick Start

Create a new Forge MDK project for Minecraft 1.20.x and start wiring DeferredRegister-based registrations and event-driven setup.

Frequently Asked Questions about Minecraft Forge Mod Development

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I register items and blocks in Forge 1.20 using DeferredRegister?

DeferredRegister is the modern, data-driven registration method for Forge 1.18–1.20.x, replacing old direct registry calls. You use it to safely register items, blocks, and entities during the mod loading phase, preventing race conditions and ensuring version-specific compatibility.

What is the best way to set up a Forge mod networking channel?

The best way to handle Forge mod networking is using SimpleChannel. This skill streamlines SimpleChannel configuration for sending custom packets between client and server, ensuring reliable data synchronization for Forge 1.18–1.20.x versions.

Does Forge mod development for version 1.20 require the MDK project structure?

Yes, the MDK-based project structure is required. This skill enforces version-specific Forge patterns and scaffolds modern, data-driven mods using the MDK setup, ensuring correct configuration for 1.18–1.20.x development workflows.

How do I use event buses in a Forge mod?

Event buses in Forge manage event-driven architecture for mod setup. You attach listeners to specific bus events to trigger custom logic during game lifecycle phases, which this skill structures for modern Forge 1.18–1.20.x development.

Can I generate JSON data files automatically for my Forge mod?

Yes, Forge supports data generation to automatically create JSON data files. This skill provides guidance on data gen configurations, allowing you to programmatically generate recipes, loot tables, and model files instead of manual creation.

How do I handle inter-mod compatibility and capabilities in Forge?

Capabilities in Forge allow exposing custom properties to other mods for inter-mod compatibility. This skill provides structured guidance on implementing capabilities and ensuring your mod interacts correctly with others across Forge 1.18–1.20.x.