ModsFinder

Cardboard

by Isaiah

Cardboard is a Fabric mod that implements the Bukkit, Spigot and Paper plugin API, so plugins written for those servers can load on Fabric.

FabricServer-side onlyGPL-3.0 AND MIT1.16.4 – 26.1.2

What it does

Plugins written for the Bukkit API and its Spigot and Paper derivatives can run on a Fabric server through Cardboard. The mod is still in development and does not support every plugin. Fabric API and iCommon API are required, and the environment is server-side only, so players join without installing it. Files are published for Fabric across 19 release versions, 1.16.4 – 26.1.2, under the GPL-3.0 and MIT licenses; the project is not open source.

Key features

  1. Bukkit API support

    Implements the Bukkit API so plugins built against it can be loaded by a Fabric server.

  2. Spigot and Paper plugins

    Plugins made for the Spigot and Paper derivatives of Bukkit are intended to work through the same layer.

  3. Partial plugin coverage

    Development is ongoing, so some plugins will not run; the mod does not claim to support every plugin.

Compatibility

Latest build for each game version and loader.

No stable releases
Every published file is a beta or alpha build.
26.x3 of 3 versions with builds
26.1.226.1-13
26.1.126.1-4
26.126.1-4
1.21.x5 of 5 versions with builds
1.21.111.21.11-18
1.21.101.21.10-15
1.21.81.21.8-8
1.21.41.21.4-21
1.21.11.21.1-9
1.20.x3 of 3 versions with builds
1.20.61.20.6-1
1.20.41.20.4-4
1.20.11.20.1-13
1.19.x2 of 2 versions with builds
1.19.41.19.4-1
1.19.21.19.2-22
1.18.x3 of 3 versions with builds
1.17.x1 of 1 version with builds
1.16.x2 of 2 versions with builds
ReleaseBetaAlphaNot available

This mod also publishes snapshot builds. Snapshots are not shown in the matrix.

Requirements

Dependencies declared by the latest file for each loader.

Required 2

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required
iCommon APICommon API for multi-version functions & events.
Required

Questions

Does Cardboard need to be installed on the player's client?

No. It runs on the server alone, so players need nothing extra to join.

Which libraries does Cardboard require?

Fabric API and iCommon API are required dependencies and must be installed alongside Cardboard.

In the catalog

Cardboard is one of 3,514 Library mods on ModsFinder, and one of 2,348 Library mods for Fabric. 15,189 mods support Minecraft 26.1.2.

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What the author says

Cardboard is a material made from muliple layers of paper-like fabri- oh wait.. Cardboard is a Fabric mod that adds support for the popular Bukkit/Spigot/Paper modding API. This mod lets you use plugins that are made for Bukkit and it's derivatives (Spigot & Paper) with Fabric.
Isaiah, on the Modrinth page

Official listing

Owner
Isaiah
Published
2020-11-05
Updated on Modrinth
2026-10-11
Facts verified
2026-10-15

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