TLDR Tech / Design
Ensuring Accessibility in MCP Apps: A Comprehensive Guide
MCP Apps, which render UI within the client rather than relying on the agent, demand universal accessibility. Given the current lack of accessibility guidelines in testing and specifications, using a local development server with a stub host can convert each app state into a testable URL. Key challenges include incorrect heading structures (starting below h1), inconsistent color usage between host and app, over-reliance on `env()` for safe-area insets, and keyboard shortcut conflicts with the client.
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