Marker Command Engine (MCE)

---

A trusted command runtime/dependency framework for datapacks. Not designed as a sandbox. Use only with trusted packs and operators.

---

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)
• / Support
• Batch & Queue system

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

# Store the command
data modify storage mce:cmd Command set value "say Hello World!"

# Execute it
function mce:api/run

Show Help

function mce:api/help

---

Available Functions
mce:api/run
mce:api/help
mce:api/batch
mce:api/queue_*
mce:api/run_as

Technical Details

• Marker: 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:

{
  "Command": "your command here"
}

License

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

---

Made with ❤️ for the Minecraft Datapack Community