Required
Open project Architectury API
Matched file: [Fabric 1.21] v13.0.11
Ready to install?
Sign Builder SignBuilder-1.21.1-fabric-1.3.jar
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
SignBuilder-1.21.1-fabric-1.3.jar
- Game
- 1.21.1
- Loader
- Fabric
- Published
- 11 Oct 2026
- Channel
- release
- File size
- 1.1 MB
SHA-16aea4a4f0358c1dfd4e4cbc168cc7e0477f8837e
Where this file goes
Client, server, or both?
Client Source doesn’t say
Dedicated server Source doesn’t say
The source does not explicitly classify this release as client-only or server-only.
Dependencies for this release
What else does it need?
Required
Open project Fabric API
Matched file: 0.116.18+1.21.1
Required
Open project Fabric API
Matched file: [1.21.1] Fabric API 0.116.18+1.21.1