mdast - Markdown processor powered by plugins

mdast is a markdown processor powered by plugins. Lots of tests. Node, io.js, and the browser. 100% coverage. mdast is not just another markdown to HTML compiler. It can generate, and reformat, markdown too. It’s powered by plugins to do all kinds of things: validate your markdown, add links for GitHub references, or add a table of contents. The project contains both an extensive JavaScript API for parsing, modifying, and stringifying markdown, and a friendly Command Line Interface making it easy to validate, prepare, and compile markdown in a build step.