generated: '2026-07-31'
method: searched
source: npm registry + https://github.com/Automattic/wp-calypso
summary: >-
  Automattic publishes its Calypso design-system component libraries to npm as first-party React
  packages. These are client-side UI components for building WordPress.com-style interfaces, and
  are distinct from the server-side API clients catalogued in packages/.
families:
- family: Calypso UI
  loader: npm / bundler (React)
  repository: https://github.com/Automattic/wp-calypso
  components:
  - name: '@automattic/components'
    version: 4.1.0
    url: https://www.npmjs.com/package/@automattic/components
    description: Automattic Components — the shared Calypso React component library.
    official: true
  - name: '@automattic/composite-checkout'
    version: 2.0.2
    url: https://www.npmjs.com/package/@automattic/composite-checkout
    description: React components and helpers for building a checkout flow.
    official: true
  - name: '@automattic/calypso-products'
    version: 1.3.0
    url: https://www.npmjs.com/package/@automattic/calypso-products
    description: Product/plan metadata module used by Calypso surfaces.
    official: true
  - name: '@automattic/calypso-color-schemes'
    version: 4.0.0
    url: https://www.npmjs.com/package/@automattic/calypso-color-schemes
    description: Calypso shared style bits (color schemes).
    official: true
hosted_surfaces:
- name: WordPress.com checkout URL
  kind: hosted/prebuilt
  description: >-
    A pre-configured wordpress.com checkout URL can be generated for products or subscription
    renewal (exposed as the wpcom-checkout-url MCP tool); the checkout page itself is hosted by
    Automattic.
  reference: mcp/automattic-mcp.yml
not_included:
- name: '@wordpress/components'
  reason: >-
    The Gutenberg component library is a WordPress project, catalogued in the WordPress repo, not
    an Automattic-branded package.
x-evidence:
  fetched: '2026-07-31'
  method: registry.npmjs.org metadata; repository field resolves to Automattic/wp-calypso