Accessibility MCP Server: Audit and Fix WCAG Issues in Your IDE

In 2026, the WebAIM Million report revealed that 95.9% of the top one million home pages had WCAG 2 failures, marking a slight increase from the previous year and highlighting persistent accessibility issues often detectable through automated scans. These issues, such as low-contrast text, are largely due to a lack of checks during code writing. The Accessibility MCP Server, introduced by TestMu AI, addresses this by integrating a WCAG scanner into AI coding assistants, allowing developers to audit accessibility in real-time and apply fixes directly within their coding environment. This server, part of a broader suite of tools, offers three main functionalities: auditing live public URLs, pre-merge checks for local apps, and runtime audits for localhost applications. By embedding accessibility checks within the development process, it aims to reduce the workflow friction that typically leads to skipped checks and delayed fixes, ultimately supporting a shift-left approach to accessibility compliance.

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