Web Accessibility Testing MCP

The A11y MCP (Accessibility Measurement and Compliance Protocol) is a model context protocol server designed to enable AI language models to conduct automated web accessibility tests. It integrates with Deque's Axe-core API and Puppeteer to evaluate web content against Web Content Accessibility Guidelines (WCAG), ensuring compliance with accessibility standards.

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Comprehensive Evaluation of Web Content Accessibility Guidelines (WCAG)Tests the content against multiple Web Content Accessibility Guidelines (WCAG) versions (2.0, 2.1, 2.2) and generates comprehensive violation reports along with targeted remediation suggestions.
Adaptive Testing ApproachesSupports testing both public URLs and raw HTML snippets, enabling developers to verify accessibility throughout the development process.
High-Resolution Color EvaluationCarries out an in-depth analysis of color contrasts between foreground and background elements, taking into account font sizes and weights to ensure WCAG compliance.
Validation of ARIA (Accessible Rich Internet Applications)Ensures that all ARIA attributes and roles are implemented correctly to guarantee compatibility with screen readers.