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Neo-Loom
What it is
Neo-Loom is a free Gradle plugin for Minecraft mod development environments using NeoForge or MinecraftForge. It is a Fabric Loom fork heavily based on Architectury Loom, with implemented support for NeoForge 1.21+ and MinecraftForge 1.20.1+. The plugin supports multi-loader projects, dependency management, and client and server scopes, including dedicated servers. Jar-in-Jar packaging is available. Neo-Loom can convert ClassTweaker or AccessWidener files to AccessTransformer format, and it can publish and consume ModDevGradle-compatible Access Transformers and Interface Injections. Devlaunch is listed as implemented. The README documents run configurations for NeoForge and MinecraftForge, including server, client, and game test server environments. Setup uses the Fabric and RelativityMC Maven repositories and the Gradle Plugin Portal, with listed plugin IDs. The project is MIT licensed and directs support questions to Discord. Listed to-dos include JUnit, production launch tasks, and split-source or client-only and server-only setups.
For and against
For
- Supports NeoForge and MinecraftForge projects
- Jar-in-Jar packaging is implemented
- Converts access files to AccessTransformer format
- Supports ModDevGradle interfaces and transformers
- Dedicated server configurations are documented
Against
- JUnit support remains a listed to-do
- Production launch tasks are not complete
- Split-source setups remain planned work
The verdict
Neo-Loom supplies a free, MIT-licensed Gradle foundation for NeoForge and MinecraftForge mod projects. Review the remaining to-dos if your build requires JUnit, production launches, or split source layouts.
Who it suits
It is intended for developers building Minecraft mods with NeoForge or MinecraftForge. It fits projects needing shared client/server tooling and Gradle-based dependency handling.
On the record
- Access conversion
- It supports converting ClassTweaker or AccessWidener files to AccessTransformer format.github.com · read 7 Oct 2026
- Build setup
- The README shows Gradle plugin setup using the Fabric and RelativityMC Maven repositories and the Gradle Plugin Portal.github.com · read 7 Oct 2026
- Current limitations
- The README lists JUnit, production launch tasks, and split-source, client-only, and server-only setups for (Neo)Forge as to-dos.github.com · read 7 Oct 2026
- Devlaunch
- Devlaunch is listed as currently implemented.github.com · read 7 Oct 2026
- Distribution
- The README directs users to add the RelativityMC Maven repository and shows Gradle plugin IDs for using Neo Loom.github.com · read 7 Oct 2026
- Forge configuration
- The README documents run configurations for NeoForge and MinecraftForge, including server data, client data, and game test server environments.github.com · read 7 Oct 2026
- Intended users
- The README describes the plugin as a tool for Minecraft mod development, with support for NeoForge and MinecraftForge projects.github.com · read 7 Oct 2026
- Jar-in-Jar
- Jar-in-Jar support is listed as currently implemented.github.com · read 7 Oct 2026
- License
- The repository identifies its license as MIT.github.com · read 7 Oct 2026
- Maintainer profile
- The RelativityMC GitHub organization links to a Discord server and does not display public organization members.github.com · read 7 Oct 2026
- ModDevGradle
- It supports publishing and consuming ModDevGradle-compatible Access Transformers and Interface Injections.github.com · read 7 Oct 2026
- ModDevGradle compatibility
- It supports publishing and consuming ModDevGradle-compatible Access Transformers and Interface Injections.github.com · read 7 Oct 2026
- Packaging
- Neo Loom supports Jar-in-Jar.github.com · read 7 Oct 2026
- Planned work
- The listed to-dos include JUnit, production launch tasks, and split source, client-only, and server-only setups for (Neo)Forge.github.com · read 7 Oct 2026
- Purpose
- Neo Loom is a Gradle plugin for setting up Minecraft mod development environments.github.com · read 7 Oct 2026
- Support
- The project README invites users to reach out through its Discord server.github.com · read 7 Oct 2026
- Supported versions
- The README lists NeoForge 1.21+ and MinecraftForge 1.20.1+ as currently implemented.github.com · read 7 Oct 2026
- Toolchain
- It is a fork of Fabric Loom that supports the NeoForge and MinecraftForge modding toolchain and is heavily based on Architectury Loom.github.com · read 7 Oct 2026
