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Ametrin API

by Ametrin Studios

Ametrin API is a library for Forge and NeoForge mod developers, providing helpers for data generation, block classes, portal and tree creation, and value conversion.

ForgeNeoForgeClient and serverMIT LicenseOpen source1.19.4 – 26.3

What it does

Developers who build content on top of it get shared code for common tasks. Its data generation helpers cover loot and other data files, and it includes prebuilt block classes such as double plants, ageable bushes, heads and torches. Tree and sapling creation, along with the creation of netherlike portals, are handled by its utilities as well.

Two conversion helpers are included: one for time values and one for colors. A terrain analyzer tool, taken from the Dungeons Enhanced project, is part of the package too. The library is required by four other mods, including Block Variants and Fancy Food, so those mods need it installed alongside them.

Because the environment is client and server, both the server and every player need the library. Builds exist for Forge and NeoForge across 18 release versions, 1.19.4 – 26.3, and the code is open source under the MIT License.

Key features

  1. Data generation helpers

    Utilities for producing loot and other data generation output, so mod authors write less boilerplate.

  2. Prebuilt block classes

    Ready-made block types, including double plants, ageable bushes, heads and torches, that mods can extend.

  3. Portal and tree creation

    Helpers for building netherlike portals and for generating trees and saplings in a mod.

  4. Time and color conversion

    Functions that convert time values and color values between the formats mods commonly use.

Compatibility

Latest build for each game version and loader.

26.x5 of 5 versions with builds
26.3Not available1.2.2
26.2Not available1.1.0
26.1.2Not available1.2.2
26.1.1Not available1.0.1
26.1Not available1.0.0
1.21.x11 of 11 versions with builds
1.21.11Not available0.4.2
1.21.10Not available0.4.2
1.21.9Not available0.4.2
1.21.8Not available0.4.1-beta
1.21.7Not available0.4.1-beta
1.21.6Not available0.4.0-beta
1.21.5Not available0.3.0
1.21.4Not available0.2.9
1.21.3Not available0.2.7
1.21.1Not available0.2.4
1.21Not available0.2.4
1.20.x1 of 1 version with builds
1.19.x1 of 1 version with builds
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Required by 4 mods

Block Variants - Biomes O' Plenty1.21 – 26.2Block Variants1.16.5 – 26.3Block Variants - Oh The Biomes We've Gone1.21.1 – 1.21.11Fancy Food1.21.1 – 26.3

Questions

Does Block Variants need Ametrin API?

Yes. Block Variants is one of the four mods listed as requiring Ametrin API, so the library must be installed with it.

Which loaders does Ametrin API support?

Forge and NeoForge. The latest Forge file is 0.1.6 for 1.20.4, and the latest NeoForge file is 1.2.2 for 26.3.

Does Ametrin API have to be installed on the server?

Yes. A server running it needs every connecting player to have it too.

In the catalog

Ametrin API is one of 3,514 Library mods on ModsFinder, and one of 1,576 Library mods for Forge. 8,071 mods support Minecraft 26.3.

Library mods3,514Forge modsMods for 26.38,071

More from Ametrin Studios

All projects
Dungeons Enhanced1.16.5 – 26.1.2Block Variants - Biomes O' Plenty1.21 – 26.2Block Variants1.16.5 – 26.3Block Variants - Oh The Biomes We've Gone1.21.1 – 1.21.11Fancy Food1.21.1 – 26.3

Similar mods

Cloth Config API1.14 – 26.3YetAnotherConfigLib (YACL)1.19 – 26.3Architectury API1.16.5 – 26.3Just Enough Items (JEI)1.8 – 26.3Geckolib1.12.2 – 26.3Forge Config API Port1.16 – 26.3

Official listing

Owner
Ametrin Studios
Published
2023-12-23
Updated on Modrinth
2026-10-09
Facts verified
2026-10-15

Tags

Library
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