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How to install "Nuit Interop (formerly FabricSkyBoxes Interop)"

Nuit Interoperability for OptiFine/MCPatcher and legacy FabricSkyBoxes sky formats

Author

FlashyReese

Downloads

8.1M

Last Updated

Jun 26, 2025

License

MIT

Mod Loaders

Fabric NeoForge Quilt

Minecraft Versions

1.21.4 1.20.6 1.19.4 1.18.2 1.17.1 1.16.5
utility

Quick Install ID

#nuit-interop

Install Nuit Interop (formerly FabricSkyBoxes Interop) in GDLauncher

Nuit Interop (formerly FabricSkyBoxes Interop) runs on Fabric, NeoForge, Quilt. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.

Install on Fabric

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Fabric loader and a Minecraft version that Nuit Interop (formerly FabricSkyBoxes Interop) supports (1.21.4, 1.20.6, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #nuit-interop, find Nuit Interop (formerly FabricSkyBoxes Interop) in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on NeoForge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the NeoForge loader and a Minecraft version that Nuit Interop (formerly FabricSkyBoxes Interop) supports (1.21.4, 1.20.6, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #nuit-interop, find Nuit Interop (formerly FabricSkyBoxes Interop) in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on Quilt

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Quilt loader and a Minecraft version that Nuit Interop (formerly FabricSkyBoxes Interop) supports (1.21.4, 1.20.6, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #nuit-interop, find Nuit Interop (formerly FabricSkyBoxes Interop) in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Before you install

Make sure your Minecraft version matches what Nuit Interop (formerly FabricSkyBoxes Interop) supports. As of the latest release, 1.21.4, 1.20.6, 1.19.4 are supported. Nuit Interop (formerly FabricSkyBoxes Interop) supports multiple loaders (Fabric, NeoForge, Quilt); pick whichever matches your other mods. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.

Frequently Asked Questions

Is Nuit Interop (formerly FabricSkyBoxes Interop) free?

Yes. Nuit Interop (formerly FabricSkyBoxes Interop) is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Nuit Interop (formerly FabricSkyBoxes Interop) support?

Nuit Interop (formerly FabricSkyBoxes Interop) supports Minecraft 1.21.4, 1.20.6, 1.19.4, 1.18.2, 1.17.1, 1.16.5. GDLauncher will automatically pick a compatible version when you install it.

Does Nuit Interop (formerly FabricSkyBoxes Interop) require Forge or Fabric?

Nuit Interop (formerly FabricSkyBoxes Interop) supports Fabric, NeoForge, Quilt. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.

How do I install Nuit Interop (formerly FabricSkyBoxes Interop)?

Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #nuit-interop. GDLauncher handles dependencies and the right Minecraft version automatically.

Who made Nuit Interop (formerly FabricSkyBoxes Interop)?

Nuit Interop (formerly FabricSkyBoxes Interop) is made by FlashyReese. The full project lives on Modrinth (https://modrinth.com/mod/nuit-interop).

Need help?

Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.

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