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Aether WCAG Scanner

io.github.allchemylabs/aether-wcag-scanner ยท v1.0.8

WCAG 2.1 AA accessibility scanner (Playwright + axe-core) with grounded, browser-verified fixes.

Connect Runs on your machine

Terminal
claude mcp add aether-wcag-scanner -e ALLCHEMY_API_KEY=<ALLCHEMY_API_KEY> -- npx -y @allchemylabs/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "aether-wcag-scanner": {
      "command": "npx",
      "args": [
        "-y",
        "@allchemylabs/[email protected]"
      ],
      "env": {
        "ALLCHEMY_API_KEY": "<ALLCHEMY_API_KEY>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "aether-wcag-scanner": {
      "command": "npx",
      "args": [
        "-y",
        "@allchemylabs/[email protected]"
      ],
      "env": {
        "ALLCHEMY_API_KEY": "<ALLCHEMY_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "aether-wcag-scanner": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@allchemylabs/[email protected]"
      ],
      "env": {
        "ALLCHEMY_API_KEY": "<ALLCHEMY_API_KEY>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
ALLCHEMY_API_KEY
Optional, secret
Beta API key from https://beta.allchemylabs.ai/?src=registry (optional: without it the scanner runs fully offline with template fixes)

Details

Package@allchemylabs/[email protected] (NPM, stdio)
First published21 Oct 2026
Last updated21 Oct 2026
Registry nameio.github.allchemylabs/aether-wcag-scanner

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