MC COAL is an open-source project aimed at helping to build and maintain community around multi-player Minecraft worlds. It can also optionally provide powerful and simple Minecraft multi-player server hosting and management.

COAL is a web application. It is written in python and runs on the Google Cloud Platform. It is licensed under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3


  • Server status display including in-game time, weather, and currently logged in players
  • Live chat and searchable chat history
  • Chat into the game from the web
  • Player session information
  • Share screen shots
  • Detailed and well-documented API
  • Easily host and manage powerful multi-player servers on Google Compute Engine
  • Works with vanilla Minecraft multi-player servers