# MJML MCP for AI Agents AI Agent Connect

> MJML (Email Markup) MCP allows your AI agent to turn MJML code into production-ready HTML. It handles the messy stuff like nested tables and specific width constraints automatically so you don't have to. Perfect for generating responsive emails that actually look good in Outlook, Gmail, and Apple Mail without the usual development headaches.

## Overview
- **Category:** developer-tools
- **Price:** Free
- **Endpoint:** https://edge.vinkius.com/vk_preview_LwlmmoPeznMVTkYs7MAzFYiK3XjrkSp7oDHD4F4u/ai-agent-connect
- **Tags:** email-templates, responsive-design, html-rendering, markup-language, email-development

## Description

Writing HTML for emails is a special kind of hell. You have to deal with nested tables, specific width constraints, and a mountain of inline styles just to make sure a button looks right in someone's inbox. This Connector changes that by letting your AI agent handle the heavy lifting of transpilation. Instead of wrestling with raw code, you can describe the email layout you want and let the AI generate the MJML markup, which then gets converted into clean, responsive HTML. It ensures your emails stay consistent across different clients like Outlook or Gmail without you having to manually hack the code. When you use this through the Vinkius catalog, you're essentially giving your AI agent a professional-grade email engine. It's about moving from how do I make this table work to build me a three-column newsletter. It takes the technical debt out of email development and lets you focus on the content and the design. You get high-quality, production-ready code that respects the nuances of every major email provider.

## Tools

### render_mjml
Converts your MJML XML or JSON strings into responsive HTML. It handles all the complex styling and layout logic for you.

## Prompt Examples

**Prompt:** 
```
Create a simple newsletter with a header image, a welcome message, and a Shop Now button. Render it to HTML.
```

**Response:** 
```
I've built your newsletter using MJML. Here is the responsive HTML code that will work across all major email clients.

### Preview
* **Header**: [Image Placeholder]
* **Body**: Welcome to our latest collection!
* **CTA**: [Shop Now Button]

The code is fully optimized for Outlook and Gmail.
```

**Prompt:** 
```
Can you turn this JSON data into a responsive product announcement email?
```

**Response:** 
```
Sure. Send me the JSON object. I'll use the rendering tool to turn those product details into a clean, styled email layout.

**Example Output:**
* **Product**: Summer Tee
* **Price**: $25
* **Status**: In Stock

I'll provide the final HTML once you share the data.
```

**Prompt:** 
```
Make a 2-column layout for a sale: left side is an image, right side is a discount code. Show me the HTML.
```

**Response:** 
```
I've generated the MJML for a 2-column sale layout. I am now rendering that to HTML so you can see the final result.

**Layout Details:**
* **Left Column**: Featured Sale Image
* **Right Column**: 'SAVE50' Discount Code

Here is your production-ready HTML.
```

## Capabilities

### Convert MJML XML to HTML
Turn MJML XML strings into production-ready HTML for your mailing list.

### Convert MJML JSON to HTML
Transform JSON-based MJML structures into responsive email layouts.

### Generate responsive designs
Create email layouts that adjust perfectly to mobile and desktop screens.

### Preview email layouts
See the visual results of your MJML markup immediately in your chat or editor.

### Validate MJML syntax
Ensure your markup follows standard email client rules without manual checking.

## Use Cases

### Rapid Campaign Prototyping
A marketer wants to see a three-column layout. They ask the agent to build it in MJML and render it to see the final look.

### Code Migration
Moving from old, messy HTML to a clean MJML system. Use the agent to transpile existing designs into clean markup.

### Component Building
A developer needs a specific sign up button. The agent generates the MJML and renders the HTML for the repository.

### JSON-to-Email
A backend system outputs JSON data. Use render_mjml to turn that data into a responsive email layout automatically.

## Benefits

- Stop wrestling with nested tables. Use render_mjml to get clean HTML instantly.
- Ensure cross-client consistency. Your emails will look correct in Outlook and Gmail automatically.
- Speed up prototyping. Describe a layout and get a visual preview in seconds.
- Remove CSS headaches. Let the AI handle the inline styles while you focus on the copy.
- Standardize your workflow. Use MJML as your source of truth for all email components.

## How It Works

The bottom line is you get high-quality, responsive email code without ever touching a single nested table.

1. Subscribe to the MJML MCP and enter your Application ID and API Key.
2. Describe your email design or provide a block of MJML code to your AI agent.
3. Get back production-ready HTML ready for deployment in your email service provider.

## Frequently Asked Questions

**What is the MJML MCP for?**
It's for turning MJML markup into responsive HTML for emails. It helps your AI agent generate professional emails that look good in any inbox.

**Does this help with Outlook email formatting?**
Yes. MJML handles the complex table structures required by Outlook, so this Connector ensures your emails look correct there.

**Can I use this to build regular websites?**
No, this is specifically for email markup. It's designed to handle the unique constraints of email clients.

**How does this improve my email marketing?**
It removes the need for manual HTML coding. You can describe a design and get production-ready code in seconds.

**Is the output HTML ready to send?**
Yes, the rendered HTML includes the necessary inline styles for high-quality email delivery.

**Can I use JSON to create emails?**
Yes, you can provide a JSON structure and have the agent use this Connector to render a responsive email from that data.

**Can I render MJML from a JSON string instead of XML?**
Yes! The `render_mjml` tool accepts both raw MJML XML and MJML JSON strings. The engine will automatically detect the format and transpile it into responsive HTML.

**What is the maximum size of the generated HTML output?**
The integration supports an egress limit of up to 5MB, which is more than enough for even the most complex and content-heavy responsive email templates.

**Does the tool validate my MJML syntax during rendering?**
Yes, the `render_mjml` tool uses the official MJML engine which performs validation during the transpilation process to ensure the resulting HTML is compliant with email client best practices.