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How to install "RFTools Builder"

RFTools addon mod adding the builder, shield system and much more

Author

McJty

Downloads

64.1M

Last Updated

Dec 2, 2025

Mod Loaders

NeoForge Forge

Minecraft Versions

1.21.1 1.20.1 1.19.4 1.18.2 1.16.5 1.15.2
Energy Technology

Quick Install ID

#rftools-builder

Install RFTools Builder in GDLauncher

RFTools Builder runs on NeoForge, Forge. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.

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 RFTools Builder supports (1.21.1, 1.20.1, 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 #rftools-builder, find RFTools Builder in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on Forge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Forge loader and a Minecraft version that RFTools Builder supports (1.21.1, 1.20.1, 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 #rftools-builder, find RFTools Builder 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 RFTools Builder supports. As of the latest release, 1.21.1, 1.20.1, 1.19.4 are supported. RFTools Builder supports multiple loaders (NeoForge, Forge); 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 RFTools Builder free?

Yes. RFTools Builder is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does RFTools Builder support?

RFTools Builder supports Minecraft 1.21.1, 1.20.1, 1.19.4, 1.18.2, 1.16.5, 1.15.2. GDLauncher will automatically pick a compatible version when you install it.

Does RFTools Builder require Forge or Fabric?

RFTools Builder supports NeoForge, Forge. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.

How do I install RFTools Builder?

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

Who made RFTools Builder?

RFTools Builder is made by McJty. The full project lives on CurseForge (https://www.curseforge.com/minecraft/mc-mods/rftools-builder).

Need help?

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

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