Koskamo

Aether WCAG Scanner MCP

An MCP server that scans web pages for WCAG 2.1 AA accessibility violations using Playwright and axe-core. It provides grounded, browser-verified fixes by leveraging a hosted insights engine, supporting both local offline scanning and cloud-assisted remediation for developers and CI/CD pipelines.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Aether WCAG Scanner MCP logo, by Allchemy LabsCommunity listingLocal stdioSource reviewed; not executedPublished by Allchemy Labs
You need:Installing with /plugin install inside Claude Code prompts for your Allchemy Labs API keyTwo Jenkins credentials: allchemy-insight-url and allchemy-api-key
Vendor documentation

What you can do with it

  • Scan a URL or SPA for WCAG 2.1 AA violations
  • Get browser-verified fixes for specific accessibility issues
  • Verify fixes using real Playwright and axe-core
  • Integrate accessibility gates into Jenkins CI pipelines

Source and maintenance

Community listingRegistry 1.0.8
mcp-registry: io.github.allchemylabs/aether-wcag-scanner@1.0.8Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@allchemylabs/aether-wcag-scanner 1.0.8

npm
@allchemylabs/aether-wcag-scanner package definition
{
  "version": "1.0.8",
  "transport": "stdio",
  "identifier": "@allchemylabs/aether-wcag-scanner",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "ALLCHEMY_API_KEY",
      "description": "Beta API key from https://beta.allchemylabs.ai/?src=registry (optional: without it the scanner runs fully offline with template fixes)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "aether-wcag-scanner-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@allchemylabs/aether-wcag-scanner@1.0.8"
      ],
      "env": {
        "ALLCHEMY_API_KEY": "<YOUR_ALLCHEMY_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "aether-wcag-scanner-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@allchemylabs/aether-wcag-scanner@1.0.8"
      ],
      "env": {
        "ALLCHEMY_API_KEY": "<YOUR_ALLCHEMY_API_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "aether-wcag-scanner-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@allchemylabs/aether-wcag-scanner@1.0.8"
      ],
      "env": {
        "ALLCHEMY_API_KEY": "<YOUR_ALLCHEMY_API_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "aether-wcag-scanner-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@allchemylabs/aether-wcag-scanner@1.0.8"
      ],
      "env": {
        "ALLCHEMY_API_KEY": "<YOUR_ALLCHEMY_API_KEY>"
      }
    }
  }
}

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