How to Use the Mailjet MCP in Claude

Q: How do I connect the Mailjet MCP Server to Claude Desktop?

Open your claudedesktopconfig.json file via the settings menu. Add the server details under the mcpServers array and restart the application completely.

Q: Can Claude Desktop and Mailjet read my custom templates?

Yes. The agent uses listemailtemplates to find your saved designs. It can then pull the exact HTML and variables using gettemplatedetails.

Q: How does Mailjet handle subscriber data privacy?

When you run tools like listallcontacts, raw email addresses and subscription statuses pass through the V8 Isolate Sandbox. This environment is ephemeral, meaning your subscriber lists vanish from memory the moment the request finishes. We store zero contact records.

Manage your email infrastructure directly from Claude Desktop. Pull campaign stats, edit templates, and send transactional messages in chat.

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Connect Mailjet MCP to Claude Desktop

Create your Vinkius account to connect Mailjet 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.

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Setup Mailjet with Claude Desktop

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Mailjet MCP Server for Campaign Analytics

Stop digging through dashboards to find open rates. You can ask Claude to run `get_campaign_performance` and instantly drop the raw engagement numbers right into your chat window. It grabs the exact metrics for any specific campaign ID you feed it. You can also pull back and look at the bigger picture. Running `list_sent_campaigns` lets you review historical sends, while `get_account_analytics` provides a top-down view of your overall deliverability. This turns your agent into a fast, text-based reporting interface for your marketing team.

Direct Transactional Sending

Sometimes you just need to fire off a quick test or an urgent system alert. This MCP Server bypasses the UI completely. The `send_plain_email` tool sends text-based messages straight through your authenticated domain, which works perfectly for rapid debugging. If you need something that looks professional, switch to `send_template_email`. You can map variables to your existing Mailjet templates and dispatch them without writing HTML. Before you send, use `list_sender_domains` to confirm your sending addresses are actually verified and ready to go.

Live Audience Management

Keeping your subscriber lists accurate usually requires manual CSV uploads or custom scripts. Now your agent can handle it directly. When a user requests to join a newsletter, fire `create_new_contact` to register their address in the system immediately. You can organize these users just as fast. Call `list_contact_groups` to see your available segments, then use `subscribe_to_list` to drop that new contact exactly where they belong. If you need to audit a segment, `list_all_contacts` pulls the current roster for review.

Setup guide

Set up Mailjet 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 Mailjet 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 Mailjet 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 mailjet-alternative-mcp.

json

{
  "mcpServers": {
    "mailjet-alternative-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 Mailjet. 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 Mailjet MCP in Claude Desktop

Open your `claude_desktop_config.json` file via the settings menu. Add the server details under the `mcpServers` array and restart the application completely.

Yes. The agent uses `list_email_templates` to find your saved designs. It can then pull the exact HTML and variables using `get_template_details`.

You probably lack a verified sending domain. Have the agent run `list_sender_domains` to check your account status. Unverified domains block both plain and template sends.

It works on claude.ai if you expose the server via a public HTTPS URL. You just paste that URL into the Custom Connectors integration menu.

When you run tools like `list_all_contacts`, raw email addresses and subscription statuses pass through the V8 Isolate Sandbox. This environment is ephemeral, meaning your subscriber lists vanish from memory the moment the request finishes. We store zero contact records.

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