This article is a broad overview of the tools available for writing documentation and for building style guides. Not all the tools listed here make use of MDX but it’s increasingly being incorporated into documentation tooling.
Creating design systems with great documentation and examples can be a pain. MDX makes it far less painful — on this episode, Kathleen McMahon joins to teach us how to create excellent documentation for a design system using MDX and Gatsby.
I've recently taking a big liking to MDX: A JSX in Markdown loader, parser, and renderer for ambitious projects. It combines the readability of Markdown with the expressivity of JSX. The best of both worlds.