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SPECIFICTION
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Quilt Loom

github.com

Free plan WindowsmacOSLinux
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Spec score 7.7 #17 of 35 in Minecraft Mod Development Tools

What it is

Quilt Loom is a Gradle plugin that adds Quilt support to the Fabric Loom Gradle plugin for Minecraft modding projects. It reads `quilt.mod.json` metadata to enable features such as jars-in-jars, transitive access wideners, and interface injection. The plugin automatically adds the Quilt Releases repository and applies the Quilt Mappings on Loom plugin. It uses Quiltflower by default through loom-quiltflower by Juuxel. The project is based on a fabric-loom subproject with Quilt-specific patches, and its repository includes Gradle wrapper scripts for build tasks. Contributors are directed to work in the patched-quilt-loom subproject and submit changes as patches for maintainers to merge into the patch series. The software is free under an MIT license, subject to its conditions, and supports Linux, macOS, and Windows. The GitHub Releases page has no releases listed. Quilt describes itself as an independent maker of Minecraft modding tools, not an official Minecraft product and not approved by or associated with Mojang Studios.

Spec sheet

Purpose
Quilt Loom adds Quilt support to the Fabric Loom Gradle plugin.Read 5 Oct 2026 · github.com
Product
Quilt Loom is a Gradle plugin based on Loom with support for the quilt.mod.json specification.Read 4 Oct 2026 · quiltmc.org
Security
The repository links a security policy, but its contents were not available on the opened page.Read 5 Oct 2026 · github.com
Support
The README says questions can be raised on the Quilt Discord or by opening an issue.Read 5 Oct 2026 · github.com
License
The repository’s MIT license permits use, copying, modification, distribution, and sale subject to its stated conditions.Read 5 Oct 2026 · github.com
Maker
Quilt says it started in 2021 and builds tools for Minecraft modding.Read 4 Oct 2026 · quiltmc.org
Build tooling
The repository provides Gradle wrapper scripts for running its build tasks.Read 5 Oct 2026 · github.com
Contributing
The contribution instructions ask contributors to submit changes as new patches, which maintainers manually merge into the patch series.Read 5 Oct 2026 · github.com
Contributors
The repository explains that contributors should work in the patched-quilt-loom subproject and submit changes as new patches.Read 4 Oct 2026 · github.com
Decompiler
It uses Quiltflower by default through loom-quiltflower by Juuxel.Read 5 Oct 2026 · github.com
Development setup
Contributors are instructed to run ./gradlew applyPatches and import the generated patched-quilt-loom subfolder into their IDE.Read 5 Oct 2026 · github.com
Integration
The project is based on a fabric-loom subproject and applies Quilt-specific patches to it.Read 5 Oct 2026 · github.com
Mappings
It automatically applies the Quilt Mappings on Loom plugin.Read 5 Oct 2026 · github.com
Mod metadata
It reads quilt.mod.json metadata so features including JiJ, transitive access wideners, and interface injection work properly.Read 5 Oct 2026 · github.com
Not official Minecraft product
Quilt states that it is not an official Minecraft product and is not approved by or associated with Mojang Studios.Read 4 Oct 2026 · quiltmc.org
Quilt Releases
The project automatically adds the Quilt Releases repository to projects.Read 5 Oct 2026 · github.com
Release availability
The GitHub Releases page states that there are no releases listed.Read 5 Oct 2026 · github.com
Use case
Quilt says it makes tools for Minecraft modding, including Quilt Loom.Read 4 Oct 2026 · quiltmc.org

Plans and prices

Quilt Loom Free MIT-licensed software Read 4 Oct 2026 · github.com
Quilt Loom Free Free software under the MIT License Read 5 Oct 2026 · github.com

Every Quilt Loom plan and price →

Strong points and limits

Strong points

  • Reads Quilt mod metadata for Quilt-specific features.
  • Automatically adds the Quilt Releases repository.
  • Applies Quilt Mappings on Loom.
  • Free under an MIT license.
  • Supports Linux, macOS, and Windows.

Limits

  • GitHub Releases lists no releases.
  • Contributions are submitted as patches for manual merging.

Who it suits

Quilt Loom is for Minecraft mod developers working with the Quilt loader and Gradle. The repository also provides guidance for contributors who want to modify the project.

Verdict

Quilt Loom provides Quilt-specific support and metadata handling within the Fabric Loom Gradle plugin. The lack of listed releases is worth noting when assessing its availability.

Where Specifiction places it

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