SpongePowered Mixin

Spec sheet

Purpose

Mixin is a Java trait/mixin framework that weaves bytecode using ASM.Read 4 Oct 2026 · github.com

Audience

The README describes MixinGradle as simplifying build-time use of Mixin in Java projects, and its documented setup requires ForgeGradle.Read 4 Oct 2026 · github.com

Security

The repository's GitHub Security and quality page displays zero security advisories.Read 4 Oct 2026 · github.com

Support

For additional help, the README directs users to the #mixin channel on the Sponge Discord server.Read 4 Oct 2026 · github.com

License

The repository identifies its license as MIT.Read 4 Oct 2026 · github.com

Build tooling

Its annotation processor generates obfuscation mappings at compile time for a build toolchain to apply.Read 4 Oct 2026 · github.com

Compatibility limit

MixinGradle currently supports usage with ForgeGradle only, and its README warns that versions must match the ForgeGradle version.Read 4 Oct 2026 · github.com

Documentation

The project points users to its GitHub Wiki and Javadoc for documentation.Read 4 Oct 2026 · github.com

Downloads

Mixin binaries are available through Jenkins and SpongePowered and Forge Maven repositories.Read 4 Oct 2026 · github.com

Gradle integration

The project recommends MixinGradle to simplify annotation processor configuration for Minecraft Forge projects.Read 4 Oct 2026 · github.com

IDE integration

The README describes using the annotation processor in Eclipse for context-sensitive errors and warnings.Read 4 Oct 2026 · github.com

IntelliJ integration

The README points to the Minecraft Development for IntelliJ IDEA plugin for enhanced Mixin functionality.Read 4 Oct 2026 · github.com

Launcher support

Built-in services support LegacyLauncher, which the README says is deprecated in favor of ModLauncher.Read 4 Oct 2026 · github.com

Runtime loading

It hooks into runtime classloading through built-in or user-provided services.Read 4 Oct 2026 · github.com

Plans and prices

Every SpongePowered Mixin plan and price →

Where Specifiction places it

• Minecraft Mod Development Tools#27 of 357.1