Post Metadata Bar — A2UI Atomic Catalog

Displays article metadata — author, publish date, read time, and optional tags — in a compact bar.

Surfaces

webapps-script-web

Degraded on

Surface	Note
meet-stage	Renders as plain text line.
email	Simplified to plain text.

Fields

Field	Type
author	string. Author display name.	required
date	string. Publish date (YYYY-MM-DD).	required
readTime	integer. Estimated read time in minutes.	required

Example payload

{
  "type": "post_metadata_bar",
  "author": "Author Name",
  "date": "2026-06-28",
  "readTime": 75
}

ARD catalog entry

{
  "identifier": "urn:air:a2uicatalog.ai:atom:post_metadata_bar",
  "displayName": "Post Metadata Bar",
  "type": "application/vnd.a2ui.atom+json",
  "url": "https://a2uicatalog.ai/atoms/post_metadata_bar",
  "capabilities": [
    "web",
    "apps-script-web"
  ],
  "description": "Displays article metadata \u2014 author, publish date, read time, and optional tags \u2014 in a compact bar.",
  "representativeQueries": [
    "show a article metadata bar with author date read time",
    "displays article metadata \u2014 author, publish date, read time, and optional tags \u2014 in a compact bar.",
    "render a post metadata bar"
  ]
}

Deploy your own renderer

The renderer is open source. 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 apps-script-surface/gas-schema-renderer
clasp push && clasp deploy

Full deploy guide →