WordPress 6.9 introduced the Abilities API. The API provides a common interface that AI agents, workflow automation tools, and plugins can use to interact with WordPress. In WordPress 7.0 we continued that work and now provide a counterpart JavaScript API that can be used to implement client-side abilities like navigating, or inserting blocks. This work…

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WordPress 7.0 introduces a client-side JavaScript counterpart to the server-side Abilities API first shipped in 6.9. The API is split into two packages: @wordpress/abilities (pure state management, usable outside WordPress) and @wordpress/core-abilities (WordPress integration layer that auto-fetches server-registered abilities via REST API). Developers can register ability categories and abilities with input/output schema validation, permission callbacks, and behavioral annotations (readonly, destructive, idempotent). Server-side abilities registered via PHP are automatically available on the client in admin pages, while plugins can also register purely client-side abilities without any server dependency. The feature is designed to enable integration with browser agents, extensions, and WebMCP.

Client-Side Abilities API in WordPress 7.0