# aria-mcp

> Use this tool when you need to validate and optimize web accessibility with precise W3C WAI-ARIA specification queries, solving issues with role, state, and property definitions for UI components. It takes in UI component descriptions and ARIA attributes as inputs, providing outputs of validated attributes and smart role suggestions. Use aria-mcp to ensure accessibility compliance in web development projects, particularly when designing complex UI components.

Canonical page: https://skillsregistry.net/skills/joe-watkins-aria-mcp  
JSON: https://api.skillsregistry.net/v1/skills/joe-watkins-aria-mcp

## Description

Provides comprehensive access to the W3C WAI-ARIA specification for querying roles, states, properties, and accessibility requirements. It enables developers and AI agents to validate ARIA attributes and receive smart role suggestions based on UI component descriptions.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-02

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/tsunix483f)
- **Repository:** <https://github.com/joe-watkins/aria-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "joe-watkins-aria-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/joe-watkins-aria-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/joe-watkins-aria-mcp/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt