Apple craft
Swift, Xcode, App Store work, native apps, and the small details that shape real products.
Rudrank Riyam
Notes from shipping with AI agents.
I have been building for Apple platforms for years, and these days most of that work runs through agents, evals, and on-device models, so this is where I write down what I am learning while it is still fresh.
Latest
A Model Converting a Model: Core AI with GPT 5.6 Sol
Asking GPT 5.6 Sol to convert Chatterbox Turbo into Apple's Core AI framework, stage by stage, until a native Swift app spoke.
A Sol's Work: Shipping with GPT 5.6 Sol
GPT 5.6 Sol is the first model that passes my walk-away test: hand it a lane, leave, and come back to work I can ship.
What Goes Here
Short notes on Apple development, AI tools, and software craft.
AI systems
Agents, evals, traces, workflows, and the parts that decide whether a tool holds up.
Developer tools
Coding agents, review loops, automation, CLIs, and the daily work around shipping code.
Field notes
Conference notes, prompts, scripts, prototypes, and tool tests with enough detail to repeat.
Public Notes