SiteDesign Systems & Foundations · Craft & principles
Ninety-plus UI patterns documented for developers with when-to-use guidance, accessibility rules and comparison pages between similar patterns.
Why it’s a gem
Explains when and why, and ships an MCP server so agents can read it.
Detailed pre-ship checklists for pages, components and flows, covering the small details designers routinely forget.
Collection debunking common UX misconceptions, each backed by cited research and expert articles rather than opinion.
Catalogue of 106 cognitive biases mapped to the four stages of user decision-making, with product examples and a PDF cheat sheet.
Brad Frost's book, free in full online, defining the atoms-to-pages hierarchy most design systems still organise around.
Taxonomy of eighteen manipulative interface patterns with a 200-example hall of shame and the relevant regulatory enforcement actions.
Collection of over thirty psychological and usability laws, each with a plain explanation, origin and applied design guidance.