emailens-mcp vs HTML Page Preview

# @emailens/mcp MCP server for email compatibility analysis. Analyze, preview, diff, and fix HTML emails across 15 email clients — plus capture real screenshots and create shareable links with an optional API key. Built on [`@emailens/engine`](https://github.com/emailens/engine). ## Install ```b

Provides HTML file preview and analysis capabilities by leveraging Puppeteer for screenshot capture and content parsing, enabling web testing and content visualization tasks.

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