John Aaron Nelson
Technologist.
Writer. Builder.
I've spent fifteen years building software, leading engineering teams, and shipping things that hold up in production. This is my personal site — the work, the writing, and how to get in touch.
Find your way around.
A few starting points, depending on why you're here.
My workshop
Atelier
Atelier is the company I run — a small workshop of AI apprentices and a master craftsman for the design, build, and operating work that small businesses actually need. It lives at its own address.
Visit AtelierFor engineers
Explore the bookBuilding MCP servers for real work, not demo day.
A practical, operator-first guide for builders who need to design, ship, secure, and operate MCP servers in production.
Want to talk?
Drop me a line.
Email, calendar, or a quick message — whichever's easiest. I read everything that comes in.