Posylai

Build brand-styled HTML email campaigns from a website URL. 29 tools: read a brand site to extract its visual language, assemble a reusable master template, compose a campaign from a brief, render it for desktop and mobile, run pre-send checks (unsubscribe link, sender identity, alt text, message weight, tappable buttons), fix findings, and export production HTML. It does not send campaigns and does not store subscribers — sending happens through your own ESP. Streamable HTTP at `https://mcp.posylai.ru/mcp`; per-user bearer token, free tier; official MCP Registry id `ru.posylai/email`; docs: https://github.com/crmlove/posylai-mcp

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