JMC

Spec sheet

What it does

JMC is a mcfunction extension language and compiler for making Minecraft datapacks.Read 4 Oct 2026 · github.com

Purpose

JMC is a JavaScript-like extension language and compiler for creating Minecraft datapacks.Read 8 Oct 2026 · github.com

Integrations

The README describes JMC as a language and compiler that generates Minecraft datapacks; it does not list third-party service integrations.Read 4 Oct 2026 · github.com

Security

The repository links to a security policy.Read 8 Oct 2026 · github.com

License

The project is released under the MIT license.Read 8 Oct 2026 · github.com

Distribution

The repository documents an executable and installation through Python 3.12+ using pip.Read 8 Oct 2026 · github.com

Features

The project’s examples show functions, variables, conditionals, classes, formatted text helpers, and raycasting.Read 4 Oct 2026 · github.com

Installation

The README documents installing JMC with Python 3.12+ using pip install jmcfunction --pre.Read 4 Oct 2026 · github.com

Language features

Examples in the project documentation show functions, variables, classes, conditional logic, formatted text, and a raycast helper.Read 8 Oct 2026 · github.com

Linux build

The repository includes a Linux build script named build_linux.sh.Read 4 Oct 2026 · github.com

Minecraft compatibility

A v1.2.19-alpha.1 release note says the project supports pack format 48 and above.Read 4 Oct 2026 · github.com

Output

JMC compiles JMC files into a complete Minecraft datapack.Read 8 Oct 2026 · jmc.wingedseal.com

Productivity

The project lists avoiding repetitive tasks, superior syntax, and a low learning curve as reasons to use JMC.Read 8 Oct 2026 · github.com

Readable syntax

JMC lets users write Minecraft functions in .jmc files with syntax the project describes as more readable and easier to write.Read 4 Oct 2026 · github.com

Release limit

The v1.2.19 release says the .exe was removed because antivirus software kept flagging it and directs users to use the Python version.Read 4 Oct 2026 · github.com

Syntax

The project describes its syntax as more readable and easier to write than Minecraft functions.Read 8 Oct 2026 · github.com

Use case

JMC is intended for people creating Minecraft datapacks and can be run from a datapack folder inside a Minecraft world.Read 8 Oct 2026 · github.com

Windows build

The README documents building the executable on Windows.Read 4 Oct 2026 · github.com

Windows support

The project documents building its executable on Windows.Read 8 Oct 2026 · github.com

Where Specifiction places it

• Minecraft Datapack Generators#14 of 227.2