Annotated Code

Code block with numbered yellow callout bubbles on specific lines,

Surfaces

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

Degraded on

Surface	Note
pdf	callout bubbles may not render inline — consider code + steps instead

Live preview

{  "type": "stat_card",  // [1]  "value": "1B+",      // [2]  "label": "daily executions"}

Fields

Field	Type
language	string	required
code	string	required
caption	string	optional
annotations	[{'line': 'integer', 'text': 'string'}]	required

Example payload

{
  "type": "annotated_code",
  "language": "json",
  "code": "{\"type\": \"example\"}",
  "annotations": 1
}

ARD catalog entry

{
  "identifier": "urn:air:a2uicatalog.ai:atom:annotated_code",
  "displayName": "Annotated Code",
  "type": "application/vnd.a2ui.atom+json",
  "url": "https://a2uicatalog.ai/atoms/annotated_code",
  "capabilities": [
    "web",
    "google-meet-stage",
    "google-apps-script-web",
    "mcp-apps"
  ],
  "description": "Code block with numbered yellow callout bubbles on specific lines,",
  "representativeQueries": [
    "show a code block with numbered callout bubbles on specific lines explanation list below",
    "code block with numbered yellow callout bubbles on specific lines,",
    "render a annotated code"
  ]
}

← 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 →