Hover Card

Live preview

Hover me

Renders a rich content card that appears when a user hovers over a specified trigger element.

Surfaces

webgoogle-meet-stagegoogle-apps-script-webmcp-appsandroid

Fields

Field	Type	Required
trigger_element	string The text or element that, when hovered, reveals the card.	required
card_title	string The title of the hover card.	required
card_content	string The main content of the hover card, can include rich text or simple HTML.	required
card_image_url	string, optional An optional image to display within the card.	optional

Example payload

{
  "type": "hover_card",
  "trigger_element": "Trigger element",
  "card_title": "Card title",
  "card_content": "Card content"
}

ARD catalog entry

{
  "identifier": "urn:air:a2uicatalog.ai:atom:hover_card",
  "displayName": "Hover Card",
  "type": "application/vnd.a2ui.atom+json",
  "url": "https://a2uicatalog.ai/atoms/hover_card/",
  "capabilities": [
    "web",
    "google-meet-stage",
    "google-apps-script-web",
    "mcp-apps",
    "android"
  ],
  "description": "Renders a rich content card that appears when a user hovers over a specified trigger element.",
  "representativeQueries": [
    "show a rich card revealed when hovering a trigger",
    "renders a rich content card that appears when a user hovers over a specified trigger element.",
    "render a hover card"
  ]
}

← Full ARD catalog

Deploy your own Google Apps Script renderer

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

Full deploy guide →