How to Use the Acelle Mail MCP in Mastra AI

Q: How do I register the Acelle Mail tools in Mastra AI?

Install @mastra/mcp and instantiate the MCP client with your Vinkius URL. Then, spread the tools returned by listTools() directly into your Mastra agent configuration.

Q: Can Mastra AI automatically retry failed Acelle Mail subscriber additions?

Yes, Mastra's workflow engine handles this. If addacellesubscriber fails due to a timeout on your self-hosted server, the workflow triggers automatic backoff retries.

Q: How does Mastra AI handle conditional Acelle Mail campaigns?

The agent calls getacellecampaign to analyze current metrics. Based on the returned data, the workflow branches to either send a follow-up or create a new list using createacellelist.

Build resilient Acelle Mail workflows with Mastra AI agents that handle retries and conditional branching out of the box.

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Connect Acelle Mail MCP to Mastra AI

Create your Vinkius account to connect Acelle Mail 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 Acelle Mail with Mastra AI

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Automated list building with built-in retries

The `create_acelle_list` and `add_acelle_subscriber` tools run inside Mastra's workflow engine to guarantee your audience data gets saved. If your self-hosted mail server drops a request, Mastra automatically retries the call with exponential backoff. This setup ensures you never lose a subscriber due to temporary network blips. Your agents run these operations in the background, handling errors without crashing your main application thread.

Conditional branching with Mastra AI and MCP Server tools

The `get_acelle_campaign` tool feeds real-time campaign performance data directly into Mastra's conditional branching steps. Your agent checks open rates and automatically decides whether to send a follow-up or move the contact to a different list. You define these paths in pure TypeScript. If a campaign drops below a specific metric threshold, the agent triggers your backup marketing sequence without human intervention.

Human-in-the-loop list moderation

The `list_acelle_lists` and `list_acelle_subscribers` tools allow your Mastra agents to audit and clean your database. By setting `requireToolApproval` to true, you ensure no subscriber list gets modified before you sign off on the action. This gives you safety at scale. The agent does the heavy lifting of identifying dead emails, but you retain final control before any bulk deletion occurs inside Vinkius's secure MCP sandbox.

Setup guide

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

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

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

Install `@mastra/mcp` and instantiate the MCP client with your Vinkius URL. Then, spread the tools returned by `listTools()` directly into your Mastra agent configuration.

Yes, Mastra's workflow engine handles this. If `add_acelle_subscriber` fails due to a timeout on your self-hosted server, the workflow triggers automatic backoff retries.

The agent calls `get_acelle_campaign` to analyze current metrics. Based on the returned data, the workflow branches to either send a follow-up or create a new list using `create_acelle_list`.

Yes. Mastra supports human-in-the-loop verification, allowing you to pause the agent before it executes any list modifications on your server.

Your subscriber emails and campaign metrics are protected by Vinkius's secure sandboxing. The MCP server runs in an isolated environment, ensuring your proprietary customer data is never exposed during workflow execution.

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