"Markdown to PDF in your browser, in pure Swift"
A pure-Swift Markdown to PDF engine compiled to WebAssembly, with a live in-browser playground

I’m Mihaela. Senior iOS architect with fifteen-plus years on Apple platforms. I build AI-powered developer tools for the Apple ecosystem.
Currently shipping Cupertino, an open-source MCP server that gives Claude and other AI assistants offline access to Apple’s developer documentation. 700+ GitHub stars, featured in iOS Dev Weekly.
A pure-Swift Markdown to PDF engine compiled to WebAssembly, with a live in-browser playground
I already had a static site generator I liked, right up until I wanted diagrams, charts, a per-article PDF, real math, and a path to dynamic content. So I built one around a typed tile model, and this post is built by it.
A first compiler-grounded check of whether OpenAPIDoctor can become a local-first browser tool.