THE ESSENTIALS IN 30 SECONDS

  • The first stack, from MiniMax Code's R&D lead, contains 15 skills covering task splitting, context costs, long sessions, code review and agent experiments.
  • The repository is MIT-licensed, except six engineering skills adapted from Google's Engineering Practices, which remain under CC-BY 3.0.
  • The skills install in MiniMax Code and, via a plugin marketplace, in Claude Code; other agents that read SKILL.md files should also work.

Chinese AI company MiniMax has put on GitHub the working methods of the engineers who build MiniMax Code, its open-source terminal coding agent. The repository, MCode Stack, appeared on October 28. MiniMax stresses that it is not a prompt collection or a list of best practices: each entry is a skill or checklist written in the SKILL.md format, meant to be installed and used by an agent.

What is in the repository

The material is organised by person. The first and, for now, fullest stack belongs to Ronny, described as MiniMax Code's R&D lead, and holds 15 skills in five groups. Some help plan work, for instance deciding whether a task should go to a subagent or stay in the main loop, or breaking a large change into small pull requests. Others audit how much context tools and injected instructions consume, and how that affects prompt caching. A third group deals with long sessions: when to summarise, write to a file or start fresh, how to hand work over to a new session, and a ten-point check for long-running shell commands. The rest cover code review from a clean context, severity-labelled review comments, small one-change-at-a-time evaluations of the agent harness, and reviewing the path an agent took to reach its result.

A second stack, from a team member named Jiachen, focuses on leaving the agent loop and turning notes into posts and videos. MiniMax says stacks from other colleagues will follow, and outside contributions are accepted in a community folder.

Licence and compatibility

The repository uses the MIT license, with one exception: the six skills prefixed "engineering", adapted from Google's public Engineering Practices guides, keep their original CC-BY 3.0 licence. Skills can be copied one by one into a skills directory or enabled as a plugin in MiniMax Code, whose desktop app is gradually gaining a marketplace option. The repository also documents installation in Claude Code through its plugin marketplace command, and says most agents that support SKILL.md files should be able to use the skills.

Context

MiniMax released MiniMax Code itself under the MIT license in September, as a terminal agent that works with MiniMax accounts or other compatible model endpoints. The new repository contains none of that agent's source code; instead, it shows how the team itself drives the tool day to day. The project is very new: at the time of writing it had only a handful of commits and around ten GitHub stars, so its usefulness outside MiniMax's own workflow remains to be seen.