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Temporal API Mod for Minecraft 1.20.1, 1.21.1

Temporal API is the library for Team Temporal mods, other projects may use it as well.

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Updated
Updated 18.10.2026

About the Temporal API mod

Temporal API — screenshot 1

Welcome to the Temporal API - the official page for the Temporal API Minecraft modding framework.

Temporal API is a framework designed to simplify the whole development process by reducing boilerplate and letting modders focus only on unique features. It does not add gameplay features to players directly - it exists to help mod developers deliver content faster. It provides utilities, abstractions, and extension points to streamline mod development on NeoForge (currently only NeoForge).

Core Purpose

The main goal of Temporal API is to make creating Minecraft mods easier and more flexible.

It provides foundational systems such as:

  • Object Factories
  • Event Handlers
  • Annotation Processors
  • Simplified Datagen using Annotations
  • Automated Registries and Events
  • And much more

All of these aim to reduce repetitive code and complexity for mod developers.

Support and Community

If you need help, you can:

  • Open issues on the GitHub repo
  • Join the Team Temporal Discord
  • Or you can write to me directly in Discord: w4t3rcs

Contributing

Temporal API is an evolving library - contributions are welcome!

Before contributing:

  • Follow the coding and documentation standards
  • Submit issues or pull requests via GitHub
  • Or you can write to me directly in Discord: w4t3rcs

Want to Know More?

Check out the project Wiki and Example mod!

FAQ:

Will This Mod Be Getting A Fabric Version?

No, a fabric version is not planned

Can I use this mod in my Modpacks?

Yes, feel free to use this mod in any modpack!

How do I suggest features or report Bugs?

Join our Discord above for any comments, questions, suggestions, or problems!

How to install Temporal API

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the mod for Minecraft 1.20.1–1.21.1 on Forge or NeoForge automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Forge or NeoForge

    The loader must match the game version of the mod file, for example Minecraft 1.21.1. After installing it, a separate profile appears in your launcher.

  2. Download the file for your version

    In the version list above, pick the file temporalapi-1.9.0.jar (1.2 MB) for your game version and loader.

  3. Put it in the mods folder

    The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it.

  4. Launch the loader profile

    Open “Mods” in the main menu: Temporal API should be in the list.

Minecraft 1.21.1 runs on Java 21: with a different Java version the game may close right after launch.

Versions

With dependencies

MinecraftLoaderFileDateActions
1.21NeoForgeTemporal API 1.9.01.2 MB 2
1.21NeoForgeTemporal API 1.9.0-alpha-3744 KB
1.20.1ForgeTemporal API 1.6.7212 KB 1

FAQ

Which Minecraft versions does Temporal API work on?

There are files for 1.21.1, 1.21, 1.20.1. The newest is 1.21.1.

Is Temporal API for Forge or Fabric?

There are files for Forge: 1.20.1 and for NeoForge: 1.21–1.21.1. There are no files for Fabric: a mod for another loader will not start.

Does Temporal API need other mods?

The author lists no required dependencies: the Forge or NeoForge loader is enough.

Which Java does Temporal API need?

Minecraft 1.21.1 runs on Java 21. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.

Where can I download Temporal API safely?

On this page: the file temporalapi-1.9.0.jar (1.2 MB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: 968fbe0bb67ab29ecf823b648d9f4cc29fff7705.

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