
Modrinth · Minecraft mod
RFTools Builder
RFTools addon mod adding the builder, shield system and much more
Quick answer
Which RFTools Builder release matches Fabric?
RFTools Builder 26.3-10.0.0-fabric targets 26.3 with Fabric. Installation on the client is optional. Installation on the dedicated server is optional. All 4 required mods have matching files.
Where it goes
Is RFTools Builder required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does RFTools Builder 26.3-10.0.0-fabric need?
26.3-10.0.0-fabric on Fabric. Every mod below is checked against that same setup.
Install RFTools Base, McJtyLib, Forge Config API Port, Fabric API first. We found matching files for this game-version and loader setup. 2 come through another mod in the chain.
2 extra mods were pulled in by other dependencies. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add RFTools Builder without breaking your instance.
Built for RFTools Builder 26.3-10.0.0-fabric on Fabric. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 26.3-10.0.0-fabric. It targets 26.3 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install RFTools Base, McJtyLib, Forge Config API Port, Fabric API first. We found matching files for this game-version and loader setup. 2 come through another mod in the chain.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 26.3-10.0.0-fabric. It opens that exact file at the source.
About this project
What does RFTools Builder add?
RFTools Builder
RFTools Builder is an addon for RFTools Base which adds the builder (and all the shape cards) and the shield system. This mod is intended to be used together with RFTools Power and depends on RFTools Base and McJtyLib.

Modpacks
Feel free to use this mod in any modpack.
Project description from Modrinth.
Pick your setup
RFTools Builder by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.3
2 loader builds26.2
2 loader builds26.1.2
2 loader builds1.21.1
1 loader build1.20.1
1 loader build1.19.4
1 loader build1.19.3
1 loader build1.19.2
1 loader build1.19.1
1 loader build1.19
1 loader build1.18.2
1 loader build1.18.1
1 loader buildShowing the newest 12 of 17 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
RFTools Builder versions and loaders
26.3-10.0.0-fabric
rftoolsbuilder-fabric-26.3-10.0.0-fabric.jar
29 Oct 2026
26.2-9.0.0-fabric
rftoolsbuilder-fabric-26.2-9.0.0-fabric.jar
29 Oct 2026
26.1.2-8.0.0-fabric
rftoolsbuilder-fabric-26.1.2-8.0.0-fabric.jar
29 Oct 2026
Looking for an older file? The official Modrinth project page is in Resources.