Get detailed information about a specific ARIA role including its description, properties, states, required context, and accessibility requirements.

List all ARIA roles, optionally filtered by category. Categories: widget, composite, document, landmark, liveRegion, window, abstract.

Search for ARIA roles by keyword in their name or description.

Get detailed information about an ARIA state or property (e.g., aria-label, aria-expanded, aria-hidden).

List all ARIA states with their descriptions.

List all ARIA properties. Optionally filter to show only global properties.

Validate which ARIA attributes are allowed, required, or prohibited for a specific role.

Get all required ARIA attributes for a specific role.

Get all prohibited ARIA attributes for a specific role.

Get the inheritance hierarchy for a role, showing parent and child roles.

Get the required parent context for a role (e.g., listitem requires list or group).

Get the required child elements for a role (e.g., list requires listitem).

Check if a role requires an accessible name and how it can be provided.

List all roles that require an accessible name.

List all ARIA landmark roles with guidance on their proper usage.

List all interactive widget roles that represent user interface controls.

List all ARIA live region roles and explain their politeness levels.

Get information about the ARIA specification version and metadata.

List all global ARIA states and properties that apply to any element.

Suggest appropriate ARIA roles based on a description of the UI component.

Returns information about this MCP server.