How to Use the Mailingwork MCP in Mastra AI

Q: How do I add the Mailingwork MCP to Mastra AI?

Install @mastra/mcp@latest and instantiate a new MCPClient. Provide your Vinkius endpoint URL in the servers configuration object. Spread mcpClient.listTools() into your agent's tool array.

Q: Can Mastra AI pull Mailingwork campaign reports automatically?

Yes. You set up a scheduled workflow that calls listmailings and getmailing. The agent extracts the open rates and writes them to your database.

Q: How do I map custom fields when creating a Mailingwork subscriber in Mastra AI?

The agent reads the JSON schema for createsubscriber directly from the MCP Server. It maps the incoming data from your previous workflow steps into the exact format the API requires.

Build resilient email marketing workflows in Mastra AI that automatically retry failed Mailingwork API calls.

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Connect Mailingwork MCP to Mastra AI

Create your Vinkius account to connect Mailingwork 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 Mailingwork with Mastra AI

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Orchestrate Mailingwork MCP Server Workflows

The `trigger_automation` tool integrates directly into Mastra AI's conditional branching logic. You build workflows that evaluate user behavior and decide exactly which email sequence to fire off. If the initial call fails due to a network timeout, Mastra applies exponential backoff and tries again. You get guaranteed execution for critical marketing paths without writing custom retry wrappers.

Execute Safe Subscriber Updates

Modify user profiles using `update_subscriber` within a human-in-the-loop approval system. Mastra's `requireToolApproval` flag forces the workflow to pause before altering a high-value customer record. The agent checks current segment data with `get_subscriber` and proposes the new tags. An admin reviews the change, clicks approve, and the workflow resumes execution immediately.

Chain Transactional Messages

Link `send_transactional_email` to external payment or CRM events inside your agent framework. When an invoice clears, the agent drafts a personalized receipt and fires it through the Mailingwork infrastructure. You handle failures gracefully through Mastra's built-in error catching. If an email bounces or the API rejects the payload, the agent routes a notification to your slack channel instead of crashing.

Setup guide

Set up Mailingwork 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 Mailingwork 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: "mailingwork-mcp-client",
  servers: {
    "mailingwork-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

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

const result = await agent.generate(
  "List recent Mailingwork 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 Mailingwork. 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 Mailingwork MCP in Mastra AI

Install `@mastra/mcp@latest` and instantiate a new `MCPClient`. Provide your Vinkius endpoint URL in the servers configuration object. Spread `mcpClient.listTools()` into your agent's tool array.

Yes. You set up a scheduled workflow that calls `list_mailings` and `get_mailing`. The agent extracts the open rates and writes them to your database.

The framework auto-detects the transport layer for MCP tools, whether it is Streamable HTTP or SSE. It handles the connection protocol natively so you focus on the workflow logic.

The agent reads the JSON schema for `create_subscriber` directly from the MCP Server. It maps the incoming data from your previous workflow steps into the exact format the API requires.

The architecture relies on a zero-trust execution environment. When your workflow reads or updates personal email addresses and tags, the Vinkius sandbox destroys the state immediately upon completion.

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