Sidebar Note

Displays an off-axis callout block containing peripheral thoughts, caveats, or fun facts.

Surfaces

webgoogle-apps-script-webmcp-apps

Degraded on

Surface	Note
google-meet-stage	Floating side positions collapse inline due to confined viewport.
google-chat	Absolute placement breaks, pushing text inline with the message.
email	Multi-column side floats drop, forcing block underneath normal text.

Live preview

Fields

Field	Type
title	string. The headline for the side note.	required
content	string. The note content.	required

Example payload

{
  "type": "sidebar_note",
  "title": "Sidebar Note",
  "content": "A concise description of the content."
}

ARD catalog entry

{
  "identifier": "urn:air:a2uicatalog.ai:atom:sidebar_note",
  "displayName": "Sidebar Note",
  "type": "application/vnd.a2ui.atom+json",
  "url": "https://a2uicatalog.ai/atoms/sidebar_note",
  "capabilities": [
    "web",
    "google-apps-script-web",
    "mcp-apps"
  ],
  "description": "Displays an off-axis callout block containing peripheral thoughts, caveats, or fun facts.",
  "representativeQueries": [
    "show a off-axis container for peripheral notes or caveats",
    "displays an off-axis callout block containing peripheral thoughts, caveats, or fun facts.",
    "render a sidebar note"
  ]
}

← 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 →