Your agent finally sees the UI it builds. Compose Previews in your browser, redrawn a second after every save — no Android Studio, no build.

Interactive in-browser canvas for real-time preview of HTML, React components, SVGs, and diagrams with SSE hot-reload

让你通过浏览器安全地远程使用 DeepSeek Harness：登录、MFA 两步验证、角色权限和远程文件预览。 | Use DeepSeek Harness securely in a remote browser with login, MFA, roles, and remote file preview.

Enables agents to discover and invoke browser-registered tools for PDF preview/export, image text overlay/PNG export, URL packing/decoding, and spreadsheet, document, and slide generation.