Dark-themed shimmer skeleton loader for stage use while a playbook is processing. Four variants — card (avatar + text lines), list (avatar rows), media (image header + caption), chat (alternating message bubbles). All use a CSS linear-gradient shimmer animation with no JavaScript.
| Surface | Note |
|---|---|
| Renders as empty grey boxes without animation |
| Field | Type | |
|---|---|---|
| variant | string. One of card, list, media, chat. Default card. | optional |
| lines | integer. Number of text lines or list rows to show. Default 3. | optional |
| count | integer. Number of skeleton cards to stack. Default 1. | optional |
{
"type": "skeleton_stage_card"
}{
"identifier": "urn:air:a2uicatalog.ai:atom:skeleton_stage_card",
"displayName": "Skeleton Stage Card",
"type": "application/vnd.a2ui.atom+json",
"url": "https://a2uicatalog.ai/atoms/skeleton_stage_card",
"capabilities": [
"web",
"google-meet-stage",
"google-apps-script-web",
"mcp-apps"
],
"description": "Dark-themed shimmer skeleton loader for stage use while a playbook is processing. Four variants \u2014 card (avatar + text lines), list (avatar rows), media (image header + caption), chat (alternating message bubbles). All use a CSS linear-gradient shimmer animation with no JavaScript.",
"representativeQueries": [
"show a Dark shimmer skeleton loader in card/list/media/chat variants",
"dark-themed shimmer skeleton loader for stage use while a playbook is processing. four variants \u2014 ca",
"render a skeleton stage card"
]
}The renderer is an open-source Google Apps Script web app. Deploy your own instance in 4 commands — you own the URL, no dependency on the demo endpoint.
git clone https://github.com/a2uicatalog/a2ui
cd a2ui/apps-script-surface/gas-wired-renderer
clasp push && clasp deploy