Overview
Mex is an open-source docs skill for Claude Code, Cursor, and Codex, published by mex-memory. Its author describes it as: “Persistent project memory for AI coding agents. Structured scaffold + drift detection CLI.”. The project has 1.2k stars on GitHub and is available under the MIT license. Add it to your setup with `git clone https://github.com/mex-memory/mex ~/.claude/skills/mex`.
Best for
Installation
Add Mex to your agent with:
git clone https://github.com/mex-memory/mex ~/.claude/skills/mex Review a skill’s source before installing it — skills can instruct your agent to run commands. This command comes from the skill’s public repository, which is the source of truth for setup steps. New to skills? Read how to install Claude Code skills.
Supported agents
- Claude Code — named in the skill.md
- Codex — named in the skill.md
- Cursor — named in the skill.md
License
Mex is published under the MIT license.
Strengths
- Clear MIT license — safe to read and adapt within its terms
- Established project with 1,163 GitHub stars
- Works with Claude Code, Codex, Cursor
- Actively maintained — repository updated in the last 90 days
Author
Topics
Frequently asked questions
- What does Mex do?
- Persistent project memory for AI coding agents. Structured scaffold + drift detection CLI.
- How do I install Mex?
- Run git clone https://github.com/mex-memory/mex ~/.claude/skills/mex in your agent, then reload your skills. Review the source at https://github.com/mex-memory/mex before installing.
- Is Mex free to use?
- Yes. Mex is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
- Which agents does Mex work with?
- Mex lists Claude Code, Codex, and Cursor — named in its SKILL.md, its plugin marketplace or its repository topics. Skills use the portable SKILL.md format, so other agents that read that format may load it too.