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Web Accessibility MCP Server

by bilhasry-deriv

Browser Automation

JavaScript

MIT License

Reddit Discord

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simulate_colorblind

Test webpage accessibility by simulating how it appears to users with color blindness. Choose from protanopia, deuteranopia, or tritanopia to visualize and improve compliance with WCAG guidelines.

Instructions

Simulate how a webpage looks for colorblind users

Input Schema

Name	Required	Description
`outputPath`	No	Optional path to save the screenshot
`type`	Yes	Type of color blindness to simulate
`url`	Yes	URL to capture
`userAgent`	No	Optional user agent string to use for the request

Input Schema (JSON Schema)

{
  "properties": {
    "outputPath": {
      "description": "Optional path to save the screenshot",
      "type": "string"
    },
    "type": {
      "description": "Type of color blindness to simulate",
      "enum": [
        "protanopia",
        "deuteranopia",
        "tritanopia"
      ],
      "type": "string"
    },
    "url": {
      "description": "URL to capture",
      "type": "string"
    },
    "userAgent": {
      "description": "Optional user agent string to use for the request",
      "type": "string"
    }
  },
  "required": [
    "url",
    "type"
  ],
  "type": "object"
}

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