Thinking,
made usable.

A working library of the standards, experiments, and design decisions behind better software.

Explore the work

01 / Showcase

See the result. Then inspect the choices.

Navigate three Jay-built prototypes: a new product site, a controlled Journal retrofit, and a fictional city-operations motion study. Each case study explains the decisions and checks behind the working route.

Browse Showcase

02 / Experiment

Tune a direction. Take it with you.

The Design Profile Configurator adjusts a finished site across its pages. Export the same validated choices you can see in the preview.

Open the Configurator

03 / Library

A record of what I'm learning and what I'd do again.

01Learning Notes

Source-backed questions, worked examples, and open questions

02All published entries

Browse by kind, topic, or search

First Agent Skill / Early access

See the first release when it's ready.

The Design Skill is being built for solo builders using a coding agent in a supported Next.js or React repository. The first project covers a design foundation, core components, one finished flow, and a rollout guide.