Astro handles plain Markdown fine, but this piece makes a decent case for using MDX when you want a bit more flexibility without turning the whole thing into a mess.
MDX earns its keep in Astro the moment you want to drop an actual component into a post—callouts, a little chart, a “don’t do this” warning box—without duct-taping a pile of remark/rehype plugins together.
I still keep plain .md for boring posts, but once you need anything even slightly layout-y, MDX is the cleaner escape hatch (and future-you won’t be debugging a custom Markdown extension at 1am).
