Marker Command Engine

A macro-free vanilla command execution engine designed for Minecraft 1.20.1 and below. Built with command block logic for maximum compatibility, predictability, and security.

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Marker Command Engine

Marker Command Engine (MCE)

MinecraftMinecraft

License: MITLicense: MIT

Marker Command Engine is a lightweight and high-performance command execution engine for Minecraft datapacks. It allows you to run commands directly from storage using a clean marker entity + command block technique.

Features

- Execute commands stored in `storage mce:cmd` - Very low performance impact - Simple and clean API - Clean marker entity method - Supports Minecraft 1.21+ (`pack_format: 57`)

Installation

1. Download or clone this repository. 2. Put the `marker-command-engine` folder into your world's `datapacks` folder. 3. Run `/reload` in your Minecraft world. 4. You should see a successful load message in chat.

Usage

Run a Command

```mcfunction

Store the command

data modify storage mce:cmd Command set value "say Hello World!"

Execute it

function mce:api/run ```

Show Help

```mcfunction function mce:api/help ```

Available Functions

| Function | Description | |-----------------------|--------------------------------------------------| | `mce:api/run` | Executes the command stored in storage | | `mce:api/help` | Shows help information | | `mce:core/load` | Runs when datapack is loaded | | `mce:core/reset` | Cleans up marker and command block |

Technical Details

- Command Block: Tagged with `Tags:["mce.cmd"]` - Command Block: Temporarily placed at `0 -64 0` and removed immediately - Reset operation runs automatically after 3 ticks

For Developers

Storage structure:

```json { "Command": "your command here" } ```

License

This project is licensed under the MIT License — you are free to use, modify, and distribute.

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Made with ❤️ for the Minecraft Datapack Community

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