CardboardPowered/cardboard

The Bukkit/Spigot/Paper API implementation for Fabric

Java

1,183

871 commits

updated Oct 3, 2026

cardboardpowered.org

See the code

README

Cardboard

Cardboard is an implementation of the popular Bukkit/Spigot/Paper Modding API for FabricMC. This mod lets you use plugins that are made for Bukkit and it's derivatives (Spigot & Paper) on a Fabric modded server.

Fabric version chart:

Support	Minecraft	Git Branch	Dev Status
	Fabric 26.3		TBD
✅	Fabric 26.1.2	ver/26.1	Active
✅	Fabric 1.21.11	ver/1.21.11	Low
✅	Fabric 1.21.1	ver/1.21	Low
❌	<= 1.20

See Supported Versions for more details. & View Downloads

License

We inherit the license from Paper. See Paper's License for full details. SrgLib is also licensed under MIT.

Credits

BukkitTeam, Spigot, and Paper for their work on the API.
Glowstone for the library loader.
md_5's SpecialSource, SrgLib by Techcable & Orion, MinecraftMapping by Phase
Contributors to Cardboard

Apex Hosting

This project is partnered with ApexHosting! Join our test server, cardboardmod.apexmc.co:25666, or get a Minecraft server by clicking on the banner below:

bukkit

fabric

fabric-mod

hacktoberfest

paper

paper-api

spigot

spigot-api

Significant stargazers

Evgeniy Khramov

29 followers · starred Mar 2025

Panagiotis "Ivory" Vasilopoulos

113 followers · starred Oct 2020

Kyle Gospodnetich

330 followers · starred Apr 2023

Ignacio J. Perez Portal

306 followers · starred Sep 2024

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