wcagc — accessibility scanning MCP Server

by wcag-complianceio.github.WCAG-Compliance/mcpv0.7.4

Accessibility scanning with axe-core (WCAG 2.1 AA, EN 301 549, PDF/UA) via wcagc: scan URLs and PDFs, crawl sites, replay journeys and read violation trends.

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Active3d ago

Install wcagc — accessibility scanning MCP server

claude mcp add wcagc -e WCAGC_MCP_KEY='<wcagc-mcp-key>' -- npx -y @wcagc/mcp

{
  "mcpServers": {
    "wcagc": {
      "command": "npx",
      "args": [
        "-y",
        "@wcagc/mcp"
      ],
      "env": {
        "WCAGC_MCP_KEY": "<wcagc-mcp-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "wcagc": {
      "command": "npx",
      "args": [
        "-y",
        "@wcagc/mcp"
      ],
      "env": {
        "WCAGC_MCP_KEY": "<wcagc-mcp-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "wcagc": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@wcagc/mcp"
      ],
      "env": {
        "WCAGC_MCP_KEY": "<wcagc-mcp-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "wcagc": {
      "command": "npx",
      "args": [
        "-y",
        "@wcagc/mcp"
      ],
      "env": {
        "WCAGC_MCP_KEY": "<wcagc-mcp-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
WCAGC_MCP_KEY	yes	yes	A wcagc API key with the mcp:scan scope. Mint one under Settings -> API keys; every plan can, with a daily quota on Free and Starter.
WCAGC_API_BASE_URL	—	—	The wcagc API to call. Defaults to the hosted API; override only for a self-hosted deployment.

Remote endpoints

streamable-httphttps://mcp.wcagc.com/mcp

Freshness

Active — last maintenance signal 3d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-07 · 3d ago · GitHub
Latest release
2026-07-29 · 2mo ago · GitHub · v0.7.1
Package published
no data · npm/PyPI
Registry entry updated
2026-10-07 · 3d ago · official registry · v0.7.4

FAQ

›How do I install the wcagc — accessibility scanning MCP server in Claude Code?

Run: claude mcp add wcagc -e WCAGC_MCP_KEY='<wcagc-mcp-key>' -- npx -y @wcagc/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does wcagc — accessibility scanning require an API key?

Yes. It expects WCAGC_MCP_KEY, of which 1 is a secret.

›Can I use wcagc — accessibility scanning as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is wcagc — accessibility scanning in the official MCP registry?

Yes, as io.github.WCAG-Compliance/mcp.