ModsFinder

Mate API

by DemoDev

Mate API is a Fabric library that gives developers simple helpers for entities, players, events and builders, cutting down the boilerplate code that many mods repeat.

FabricClient or server, optionalMIT License1.21.1 – 1.21.11

What it does

The library covers common entity and player tasks. Developers can find the nearest entities or players, search for entities inside a radius, and filter results with a chain of conditions. Entity utility methods and entity builders are included, along with helpers for sending action bar and chat messages.

Mate API is meant for mod developers who would otherwise write the same utility code in every project. Using it lets them focus on the features of their own mod. Either side can load the library, and neither needs it. Files are published for Fabric only, for 11 release versions 1.21.1 – 1.21.11, with 1.0.0 for 1.21.11 as the latest file. The code is released under the MIT License and is not open source.

Key features

  1. Nearest entity lookup

    Find the closest entities or players to a given position without writing a manual search loop.

  2. Radius search

    Collect entities within a set distance of a point, then narrow the results with filtering.

  3. Entity builders

    Build entity-related objects step by step through a builder API instead of repeating setup code.

  4. Action bar and chat helpers

    Send messages to the action bar or chat through short utility calls.

Compatibility

Latest build for each game version and loader.

1.21.x11 of 11 versions with builds
1.21.111.0.0
1.21.101.0.0
1.21.91.0.0
1.21.81.0.0
1.21.71.0.0
1.21.61.0.0
1.21.51.0.0
1.21.41.0.0
1.21.31.0.0
1.21.21.0.0
1.21.11.0.0
ReleaseBetaAlphaNot available

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

How it compares

Full comparison

Trashlib is a Fabric and NeoForge library for 1.21.4, client and server, under the MIT License and open source. CraftLib is a Fabric library for 1.21 – 1.21.11 that runs on the client only, open source under the MIT License. Kielson's API is a Fabric library for 1.21 – 26.2, client and server, open source under the MIT License, so it covers a longer version range than Mate API.

ModLoadersGame versionsEnvironmentUpdated
Mate APIFabric1.21.1 – 1.21.11Client or server, optional2026-05-30
TrashlibFabric and NeoForge1.21.4Client and server2025-06-22
CraftLibFabric1.21 – 1.21.11Client-side only2026-02-18
Kielson's APIFabric1.21 – 26.2Client and server2026-08-06

Questions

Does a mod that uses Mate API need Fabric?

Yes. Mate API is published for Fabric only, so the mods that depend on it must run on Fabric as well.

Does Mate API have to be installed on the server?

No. Either side can load the library, and neither side needs it, so a server can run without it.

Which game versions does Mate API support?

Files exist for 11 release versions, covering 1.21.1 – 1.21.11. The latest Fabric file is 1.0.0 for 1.21.11.

In the catalog

Mate API is one of 3,514 Library mods on ModsFinder, and one of 2,348 Library mods for Fabric. 19,862 mods support Minecraft 1.21.11.

Library mods3,514Fabric modsMods for 1.21.1119,862

More from DemoDev

All projects
Fabric.SK1.21 – 26.1.2Mod List1.20 – 26.1.2Reworked TPA1.18.1 – 26.1.2Dimension Control1.21.4 – 1.21.11Elytra Softlock1.18 – 1.21.11MC Assist1.21 – 1.21.11

Similar mods

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

What the author says

A better Entity and Player API for Minecraft Fabric 1.21.1. Mate API provides simple utilities, events, and builders for working with entities and players. It is designed to make mod development easier by reducing boilerplate code and providing a clean, developer-friendly API.
DemoDev, on the Modrinth page

Official listing

Owner
DemoDev
Published
2026-05-30
Updated on Modrinth
2026-05-30
Facts verified
2026-10-15

Tags

Library
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