Building Diagram AI: From Natural Language (and Screenshots) to AWS Architecture Diagrams

Drawing architecture diagrams by hand is tedious. You drag boxes around, align icons, fix arrows, and then your design changes and you do it all again. I wanted something where I could just describe an architecture in plain English - or paste an existing diagram - and get a clean, AWS-style diagram back. This post is the story of building Diagram AI: a browser app that turns natural language and images into architecture diagrams.