a2uicatalog

Local MCP server for the A2UI Atomic Catalog: browse the 474-atom vocabulary, validate a payload (hallucinated atom = parse error, not a broken screen), get a shareable preview URL, and deploy a training.md to your own Google Apps Script. Pure-local for b

Real rendered UI in the conversation, without the model writing HTML. The A2UI Atomic Catalog is a free MCP server that gives AI agents a fixed vocabulary of 500+ typed UI components (atoms): charts, gauges, forms, dashboards, flashcards, diagrams, motion and more. The agent names a component and fills in its fields. A renderer that already knows it draws it. A component that doesn't exist is a parse error, not a broken screen. - Generative UI for MCP and agents. Renders inline in MCP Apps hos