How to Use the MailerLite MCP in Vercel AI SDK

Q: How do I fetch MailerLite subscribers in the AI SDK?

You call listsubscribers through the MCP client instance. It returns the data directly to your agent, which you can then pass to your UI for rendering.

Q: Can I use the AI SDK to automate MailerLite group assignments?

Yes, you trigger addsubscribertogroup within your agent flow. The AI client executes the tool and confirms the assignment once the API responds.

Stream real-time MailerLite subscriber data directly into your frontend using the Vercel AI SDK and this MCP Server.

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Connect MailerLite MCP to Vercel AI SDK

Create your Vinkius account to connect MailerLite to Vercel AI SDK 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 MailerLite with Vercel AI SDK

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Real-time subscriber management in AI SDK

Feed live subscriber data into your UI components without waiting for backend roundtrips. Use `create_subscriber` to push new leads from your form inputs directly into your lists. Your users see the action happen immediately. The connection handles the state changes, so you spend less time wiring up API boilerplate.

Dynamic MailerLite group targeting

Organize your audience on the fly by calling `add_subscriber_to_group` based on user behavior. The AI client processes the request and updates your segments instantly. This keeps your data organized without manual intervention. It's built for apps that need to react to user actions while they're still on the page.

Campaign monitoring with AI SDK

Keep tabs on your email performance by pulling stats with `list_campaigns`. Display these metrics in your dashboard to show your team exactly how a blast performed. It removes the need for custom database mirrors. You query the source directly and render the results in your React or Svelte views.

Setup guide

Set up MailerLite MCP in Vercel AI SDK

Prerequisites

Node.js 18+ and a TypeScript project
ai + @modelcontextprotocol/sdk packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies

Run npm install ai @modelcontextprotocol/sdk plus your preferred model provider (e.g. @ai-sdk/openai).
2

Create the Streamable HTTP transport

Use StreamableHTTPClientTransport with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and use tools

Call mcpClient.tools() to auto-discover all MailerLite tools. Pass them directly to generateText() or streamText() — no manual schema definitions needed.
4

Works with any model provider

Swap openai("gpt-4o") for any AI SDK provider — Anthropic, Google, Mistral. The MCP tools work identically across all supported models.

index.ts

import { experimental_createMCPClient as createMCPClient } from "ai";
import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";

const transport = new StreamableHTTPClientTransport(
  new URL("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
);

const mcpClient = await createMCPClient({ transport });
const tools = await mcpClient.tools();

const { text } = await generateText({
  model: openai("gpt-4o"),
  tools,
  prompt: "List recent MailerLite transactions",
});

console.log(text);
await mcpClient.close();

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 MailerLite. 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.

Why Choose Vinkius

Vinkius connects your tools to AI with real-time monitoring and automatic cost savings — all from one dashboard.

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Real-time monitoring

Live

visibility into every interaction

Connect your favorite tools to your AI and see exactly what's happening — every request, every response, in real time.

Built-in savings

60%

lower AI costs

Vinkius compresses data between your apps and your AI automatically. Lower bills every month — no configuration required.

Single dashboard

One

place for every integration

Every tool your AI connects to, managed from a single screen. One account, complete control.

Common questions about MailerLite MCP in Vercel AI SDK

You call `list_subscribers` through the MCP client instance. It returns the data directly to your agent, which you can then pass to your UI for rendering.

Yes, you trigger `add_subscriber_to_group` within your agent flow. The AI client executes the tool and confirms the assignment once the API responds.

Absolutely. The tool results stream back to your frontend, allowing you to update your interface as the data arrives from the server.

Wrap your tool calls in standard try-catch blocks within your agent logic. If a request fails, the error bubbles up so you can display a message to the user.

Your data remains within the established connection tunnel. We don't store your subscriber email addresses or group IDs on our servers.

Use it with your favorite AI tools

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