Snapflow is an agentic design system for React, Vue and Angular. You get a complete system already built (tokens, components and governance rules), brand it in seven steps, and your own agent (Claude Code, Cursor or Codex) applies it inside your repo through the /snapflow skill and MCP. It respects your lint and types, checks the result against the design and keeps Figma and code mirrored. Figma is optional: there's also a web editor and a local Playground.