Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Remote HTTPChoose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Documentation Overview
Osama Hassouna · Docs
Source for docs.osamahassouna.com — an engineering reference hub I keep open while building. Currently one guide is live, with more landing as I write them.
Live now
HTML Email Playbook
A working reference for hand-building HTML email templates that render reliably across Outlook (Windows desktop, 2007 through 365), Gmail web + mobile, Apple Mail, Yahoo Mail, and the long tail of clients that haven't moved past 2007.
Covers:
- Structure — doctype, head boilerplate, body container, header / body / footer organization
- Components — bulletproof CTA buttons (with Outlook VML fallback), spacing patterns, images, inline icons, background images, text
- Compatibility — Outlook MSO conditional comments, RTL languages, hybrid responsive layouts
- Production — Gmail 102KB clipping, dark mode, preheader text
- AI Generation — rules and patterns for AI tools that generate playbook-compliant email HTML
Read it: docs.osamahassouna.com/email-playbook/
There's also a Playground at /email-playbook/playground/ with a live editor, instant preview, and a "From Image" tab that converts a design screenshot into playbook-compliant HTML.
Use the playbook in your AI workflow
The playbook is published as an MCP server + terminal CLI so AI clients (Claude Desktop, Cursor, Cline, etc.) can pull rules and component patterns directly into their reasoning. The model calls structured tools to fetch the exact patterns from the playbook instead of guessing from training data.
Setup, tool reference, and Claude Desktop / Cursor config snippets:
docs.osamahassouna.com/email-playbook/mcp/
There's also a hosted JSON-RPC endpoint at docs.osamahassouna.com/api/mcp if you'd rather not install anything.
License
MIT. Playbook content © Osama Hassouna · osamahassouna.com
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<a href="https://allmcps.com/mcp/html-email-playbook"><img src="https://allmcps.com/api/badge/html-email-playbook?style=directory" alt="HTML Email Playbook on AllMCPs" /></a>Technical Specs & Signals
CategoryCommunication
4/6 checks healthy over the last 45d
36Quality signal: Fair · 36/100How this signal is calculated ▾
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