ui_builder_view

io.github.yschimke/compose-preview · Verify this server

See a design the way a person in the editor sees it: a PNG of the canvas with the overlays drawn on — the `selection` outline, the `reference` picture when one is attached, the discussion's `comments` pins, and the layout `bounds` — and beside it JSON with the revision, each visible node's id and box, each pin's thread and position, all in the returned image's pixels. The picture is a short-lived signed https link by default; `inline: true` puts the bytes in the reply as well. The frame is the PNG export (`renderer: "export"`, the editor's own renderer), which reports no node boxes; `renderer: "native"` draws real Compose on a host with a native render lane, reports every node's box so the selection can be outlined, and needs the ui-builder-export capability. A node with no box is reported, never drawn at a guessed position. Not an McpResponseEnvelopeV1.