io.github.lazymac2x/a11y-scorer

Official4 toolsLive

by lazymac2x

Cloudflare Workers MCP server: a11y-scorer

io.github.lazymac2x/a11y-scorer (MCP) Server

This Cloudflare Workers MCP server provides an a11y-scorer service for accessibility scoring. It exposes functionality via both REST and MCP using JSON-RPC 2.0, and is deployed live at api.lazy-mac.com/a11y-scorer. The server includes 4 tools.

🛠️ Key Features

Cloudflare Workers–hosted MCP server
a11y-scorer capability
Supports REST and MCP (JSON-RPC 2.0)
Tool count: 4

🚀 Use Cases

Accessibility scoring workflows using the a11y-scorer API
Integrating scoring via MCP clients expecting JSON-RPC 2.0
Calling the service through REST endpoints

⚡ Developer Benefits

MCP access via JSON-RPC 2.0
REST + MCP interoperability
Clear deployment endpoint: api.lazy-mac.com/a11y-scorer

⚠️ Limitations

Documentation provided does not describe individual tool names, parameters, or scoring methods beyond “a11y-scorer.”

Captured live from the server via tools/list.

a11y_audit_url

Fetch a URL and return a WCAG 2.1 AA heuristic audit.

Parameters1

url

string

required

Raw schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string"
    }
  },
  "required": [
    "url"
  ]
}

a11y_audit_html

Audit raw HTML for WCAG 2.1 AA issues.

Parameters1

html

string

required

Raw schema

{
  "type": "object",
  "properties": {
    "html": {
      "type": "string"
    }
  },
  "required": [
    "html"
  ]
}

a11y_contrast

Evaluate WCAG color contrast for a foreground/background pair.

Parameters4

fg	string	required
bg	string	required
fontSize	number	optional
bold	boolean	optional

Raw schema

{
  "type": "object",
  "properties": {
    "fg": {
      "type": "string"
    },
    "bg": {
      "type": "string"
    },
    "fontSize": {
      "type": "number"
    },
    "bold": {
      "type": "boolean"
    }
  },
  "required": [
    "fg",
    "bg"
  ]
}

a11y_headings

Extract heading outline from HTML.

Parameters1

html

string

required

Raw schema

{
  "type": "object",
  "properties": {
    "html": {
      "type": "string"
    }
  },
  "required": [
    "html"
  ]
}

Install

Tools (4)

a11y_audit_urla11y_audit_htmla11y_contrasta11y_headings

Remote endpoint

Streamable HTTP

Hosted server - connect over the network, no local install.

url

https://api.lazy-mac.com/a11y-scorer/mcp

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "a11y-scorer": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://api.lazy-mac.com/a11y-scorer/mcp"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.

io.github.lazymac2x/a11y-scorer (MCP) Server

🛠️ Key Features

🚀 Use Cases

⚡ Developer Benefits

⚠️ Limitations

a11y_audit_url

a11y_audit_html

a11y_contrast

a11y_headings

a11y-scorer-api

Install

Remote endpoint

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