Run Claude Design locally as an Agent Skill — Cursor, Codex, DeepSeek Harness & more. Produce polished UI mockups, prototypes, decks & wireframes as self-contained HTML, without claude.ai/design. Best with Opus or Claude.
Web based diagramming app that lets you build interactive diagrams and prototypes
Agent Skill (html-prototype-build): generate, annotate, review & deliver native HTML prototypes for Claude Code, Cursor & Codex — real-DOM notes, AI-ready selectors, UI packs, multi-state screenshots.