"The rules my AI coding agent is not allowed to break"
How a pile of repeated corrections became the rulebook I load into every coding agent, and what writing it down taught me about my own code
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.
Recent posts
"Validations Are Values"
Most validation code is one giant function that walks a tree and appends to an error array through a forest of if statements. OpenAPIKit showed me a better way, a validation is a small composable value, the description states the correct state, and every error already knows where it lives
"Swift Runs Everywhere. I Checked."
Four of my Swift projects run right now on macOS, Linux, Windows, and inside the browser. A static site generator, a Markdown to PDF engine, a YAML parser, and a 2D vector graphics engine, all pure Swift, all with CI proving every platform on every push.