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

Q: How do I add MJML (Email Markup) to Claude Code?

Use the command claude mcp add followed by the server details. Once added, you can call the tools directly from your terminal sessions.

Use Claude Code with the MJML (Email Markup) MCP Server to automate your email rendering pipeline directly from the command line.

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Connect MJML (Email Markup) MCP to Claude Code

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

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Setup MJML (Email Markup) with Claude Code

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Headless MJML rendering for CI/CD

Pipe your raw templates through the `render_mjml` tool to generate production-ready HTML during your build process. This is perfect for DevOps pipelines where you need reliable, automated output. Claude Code executes these commands without any UI overhead. It keeps your build times low and your email templates consistent across every deployment.

Scripted email template conversion

Automate your email generation by calling the `render_mjml` tool via shell scripts. You can process hundreds of templates in a single batch, ensuring your transactional emails are always up to date. This approach eliminates manual intervention. By using Claude Code to handle the logic, you gain a repeatable process that works the same way in local environments as it does on a server.

Terminal-first template validation

Verify your email markup directly in the console using the `render_mjml` tool. It provides immediate feedback on your syntax, letting you debug layout issues before they reach your customers. Claude Code gives you the power to inspect the generated HTML output instantly. It is the most efficient way to manage email architecture if you prefer working entirely in the terminal.

Setup guide

Set up MJML (Email Markup) MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see mjml-email-markup-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest MJML (Email Markup) transactions." It will automatically discover and invoke the available MJML (Email Markup) tools.

Terminal

claude mcp add --transport http mjml-email-markup-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

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Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the MJML (Email Markup) MCP

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

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "mjml-email-markup-mcp": {
      "type": "url",
      "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.

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

Use the command `claude mcp add` followed by the server details. Once added, you can call the tools directly from your terminal sessions.

Yes, the tool is designed for performance and works well in scripts. You can feed your markup into the agent and generate HTML files in bulk.

Yes, you can include the rendering step in your test suites. The agent will confirm the output is valid and warn you if the syntax fails to compile.

Your credentials and endpoint tokens are stored locally in your `~/.claude.json` file. All communication is encrypted and isolated from external access.

Output logs appear directly in your terminal. If the tool encounters a rendering failure, you get a clear stack trace that identifies exactly where the markup went wrong.

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