emailens/mcp

Overview

MCP server for email compatibility analysis. It previews, audits, fixes, diffs, and checks deliverability across 21 email clients. Integrates with MCP-compatible clients for automated email testing.

Best for

Best for
Email developers and QA engineers who need cross-client compatibility checks.

Use cases

• Preview email rendering across 21 clients
• Audit email HTML for compatibility issues
• Check deliverability before sending campaigns

How to use

Install

npx -y @emailens/mcp

Tested with

Claude Desktop, Claude Code

Notes

MCP server for email compatibility analysis. It previews, audits, fixes, diffs, and checks deliverability across 21 email clients. Integrates with MCP-compatible clients for automated email testing.

7 stars on GitHub. Last updated 2026-09-02. Licensed MIT.

Use cases

• Preview email rendering across 21 clients
• Audit email HTML for compatibility issues
• Check deliverability before sending campaigns

Pros

• Covers 21 email clients in one tool
• Combines preview, audit, fix, diff, and deliverability checks
• Works as an MCP server for workflow automation

Cons

• Low adoption with only 7 GitHub stars
• Requires an MCP-compatible client to use
• Limited community support and documentation

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.