How to Use the MJML (Email Markup) MCP in Claude

Q: How do I trigger MJML (Email Markup) in Claude Desktop?

Add the server configuration to your claudedesktopconfig.json file. Once you restart the app, the tool becomes available for direct use within your chat sessions.

Turn MJML (Email Markup) into production-ready HTML directly inside Claude Desktop for faster email template cycles.

See Vinkius in Action

Works with every AI agent you already use

…and any MCP-compatible client

MCP Servers - Free for Subscribers

Connect MJML (Email Markup) MCP to Claude Desktop

Create your Vinkius account to connect MJML (Email Markup) to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

GDPR Free for Subscribers

Setup MJML (Email Markup) with Claude Desktop

Ask AI about this MCP

ChatGPT

Claude

Perplexity

Instant MJML to HTML Rendering

Convert your email layouts instantly using the `render_mjml` tool. Stop fighting with complex table structures and let your agent handle the transpilation process for you. Claude Desktop executes the conversion locally, ensuring your raw markup stays on your machine. You get clean, responsive HTML ready for immediate testing in your email client.

Responsive Email Layout Validation

Verify your designs by rendering them through the `render_mjml` engine before you send a single test email. It handles the heavy lifting of media queries and inline styles automatically. This workflow clears the path for complex templates that usually break in older email clients. You save hours of debugging by seeing exactly how your code translates into structural HTML.

Rapid Template Iteration

Feed your MJML components into the `render_mjml` tool and watch the output update in real-time. This eliminates the back-and-forth between your editor and external preview tools. Your agent manages the render cycle, allowing you to focus on content and design. It is the fastest way to build custom transactional emails without leaving your workspace.

Setup guide

Set up MJML (Email Markup) MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The MJML (Email Markup) MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the MJML (Email Markup) MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under mjml-email-markup-mcp.

json

{
  "mcpServers": {
    "mjml-email-markup-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by MJML. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

Why Choose Vinkius

Vinkius connects your tools to AI with real-time monitoring and automatic cost savings — all from one dashboard.

Connect MJML (Email Markup) now

Real-time monitoring

Live

visibility into every interaction

Connect your favorite tools to your AI and see exactly what's happening — every request, every response, in real time.

Built-in savings

60%

lower AI costs

Vinkius compresses data between your apps and your AI automatically. Lower bills every month — no configuration required.

Single dashboard

One

place for every integration

Every tool your AI connects to, managed from a single screen. One account, complete control.

Common questions about MJML (Email Markup) MCP in Claude Desktop

Add the server configuration to your `claude_desktop_config.json` file. Once you restart the app, the tool becomes available for direct use within your chat sessions.

Yes, because the server runs as a local subprocess. Your data never leaves your machine, making it a secure way to process sensitive template code.

It handles standard MJML syntax, including complex nested layouts. The engine converts these into robust HTML tables that maintain alignment across major email providers.

Most templates process in under 100ms. The speed depends on the complexity of your XML tags, but it is fast enough for instant feedback.

Your email code is processed locally. We do not store your templates or any PII contained within your markup, keeping your source code entirely private.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

OpenAI Agents SDK sdk-python

Google ADK sdk-python

Pydantic AI sdk-python

Vercel AI SDK sdk-typescript