How to Use the MailWizz MCP in Mastra AI

Q: How do I register MailWizz tools in Mastra AI?

Install @mastra/mcp@latest and initialize the Mastra AI MCP client pointing to your Vinkius MailWizz endpoint. Use listTools() to get the MailWizz tools and spread them directly into your Mastra AI agent configuration.

Q: How do I enforce human approval for MailWizz campaigns in Mastra AI?

Use the requireToolApproval setting in Mastra AI. When your agent tries to invoke pauseemailcampaign or modify MailWizz lists, the Mastra AI workflow pauses until you approve the action.

Build resilient, multi-step MailWizz workflows with Mastra AI agents and auto-retries.

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Connect MailWizz MCP to Mastra AI

Create your Vinkius account to connect MailWizz to Mastra AI 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 MailWizz with Mastra AI

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Build automated MailWizz hygiene pipelines in Mastra AI

Hook your MailWizz subscriber management up to Mastra AI's workflow engine using the `list_list_subscribers` tool. You can build a Mastra AI branch that checks bounces, locates dead accounts, and automatically runs `delete_list_subscriber` on MailWizz without manual oversight.

Run human-in-the-loop campaigns with this MCP Server

Prevent accidental MailWizz email blasts by requiring human approval in Mastra AI before calling `pause_email_campaign`. The Mastra AI agent can fetch MailWizz stats with `get_campaign_details` first. The step waits for your manual sign-off in the Mastra AI console before committing the API call to your MailWizz setup.

Sync external databases to MailWizz lists automatically

Write Mastra AI workflows that react to external webhooks and trigger the MailWizz `add_subscriber_to_list` tool. It can also check `get_list_details` first to verify the target MailWizz list exists in Mastra AI. This gives you a self-healing MCP integration with MailWizz that handles API hiccups without crashing.

Setup guide

Set up MailWizz MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All MailWizz tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "mailwizz-mcp-client",
  servers: {
    "mailwizz-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "MailWizz Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to MailWizz tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent MailWizz transactions"
);
console.log(result.text);

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by MailWizz. 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 MailWizz MCP in Mastra AI

Install `@mastra/mcp@latest` and initialize the Mastra AI MCP client pointing to your Vinkius MailWizz endpoint. Use `listTools()` to get the MailWizz tools and spread them directly into your Mastra AI agent configuration.

Yes, Mastra AI's built-in workflow engine automatically handles MailWizz API rate limits using exponential backoff when calling `update_list_subscriber` or `add_subscriber_to_list`.

Use the `requireToolApproval` setting in Mastra AI. When your agent tries to invoke `pause_email_campaign` or modify MailWizz lists, the Mastra AI workflow pauses until you approve the action.

This MailWizz MCP Server supports both Streamable HTTP and SSE transports. Mastra AI auto-detects the transport protocol from the Vinkius URL, so you do not need to configure it manually.

The MailWizz integration runs inside an ephemeral, zero-trust V8 sandbox on Vinkius. Your MailWizz API keys and subscriber list details are never stored or exposed to external Mastra AI networks.

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