Prerequisite Checklist

Renders a callout box highlighting required tools, knowledge, or setups needed before starting a guide.

Surfaces

webgoogle-apps-script-webmcp-apps

Degraded on

Surface	Note
google-chat	Converts the warning wrapper box into a standard unstyled text list.
email	Custom background colors and alert icons are dropped by basic client engines.

Live preview

📋 Prerequisite Checklist

⬜ First item
⬜ Second item

Fields

Field	Type
title	string. Custom header text for the prerequisite warning block.	required
items	array. Strings containing descriptions of individual setup requirements.	required

Example payload

{
  "type": "prerequisite_checklist",
  "title": "Prerequisite Checklist",
  "items": [
    {
      "label": "First item"
    },
    {
      "label": "Second item"
    }
  ]
}

ARD catalog entry

{
  "identifier": "urn:air:a2uicatalog.ai:atom:prerequisite_checklist",
  "displayName": "Prerequisite Checklist",
  "type": "application/vnd.a2ui.atom+json",
  "url": "https://a2uicatalog.ai/atoms/prerequisite_checklist",
  "capabilities": [
    "web",
    "google-apps-script-web",
    "mcp-apps"
  ],
  "description": "Renders a callout box highlighting required tools, knowledge, or setups needed before starting a guide.",
  "representativeQueries": [
    "show a highlight prerequisite knowledge and system requirements before",
    "renders a callout box highlighting required tools, knowledge, or setups needed before starting a gui",
    "render a prerequisite checklist"
  ]
}

← 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 →