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Catalyst

Advanced modding library for special and legacy versions of Minecraft.

FabricBabricBTA (Babric)
Loaders
FabricBabricBTA (Babric)
Downloads on Modrinth
14.6K
Followers on Modrinth
7
versions
78
Updated
October 18, 2026Oct 18
Published
in 2024
This is a library — other mods need it, and it adds nothing to the game by itselfRequired by 4 mods. Download it if another mod needs it.

At a glance

A library: other mods need it — required by 4 mods
Runs on Fabric, Babric and BTA (Babric)
Needed in the game and on the server
Latest version — 3.1.6 from October 18, 2026
Requires HalpLibe
License MIT — free
Where it's needed
In gamerequiredOn serverrequired

Needed both in the game and on the server

Game versionsGame versions not specified

Advanced modding library for special and legacy versions of Minecraft.

Catalyst is available for:

  • Better than Adventure! 7.3, 8.0.
  • StationAPI on Minecraft b1.7.3.

Catalyst is split into modules, the current available modules are described below.

Available modules:

  • Core (BTA!, StAPI)

    • The core module, every other module depends on this. Adds misc utility classes for modules and other mods to use. Makes creating GUIs that work in MP easier.
  • Fluids (BTA!)

    • Improved api for fluid storage and transportation.
  • Energy (BTA!)

    • Adds a simple, configurable energy api.
  • Multiblocks (BTA!, StAPI)

    • Adds support for multiblock structures/machines.
  • Effects (BTA!)

    • API for custom attributes and stackable effects.
  • Multipart (BTA!)

    • API and implementation for multiple block parts in one block. Unavailable in BTA! 8.0.
  • Screens (BTA! since 8.0)

    • In-game visual editor and API for making GUIs easier to create.

FAQ

How to install Catalyst?

Install Fabric for your Minecraft version, download Catalyst for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Is Catalyst needed on the server?

Needed in the game and on the server

License and source
MIT Licensefree to use and share with credit to the author
Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders

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