Emailens MCP for Claude.ai

io.github.emailens/mcp

Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.

client:Claude.ai transport:streamable-http runtime:npm tools:9

Install Emailens MCP in Claude.ai

Settings → Connectors → Add custom connector

https://emailens.dev/api/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

preview_email
analyze_email
audit_email
fix_email
list_clients
diff_emails
check_deliverability
build_email
get_build_status

Emailens MCP in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Emailens MCP MCP server