How to Use the MailerLite MCP in Vercel AI SDK

Q: How does Vercel AI SDK handle MailerLite rate limits?

The SDK executes tools like listsubscribers sequentially when streaming. If you hit MailerLite API limits, the Vinkius gateway handles the immediate retry logic before returning the payload to your frontend.

Feed live MailerLite subscriber metrics directly into your React components with Vercel AI SDK streaming.

See Vinkius in Action

Works with every AI agent you already use

…and any MCP-compatible client

MCP Servers - Free for Subscribers

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.

GDPR Free for Subscribers

Setup MailerLite with Vercel AI SDK

Ask AI about this MCP

ChatGPT

Claude

Perplexity

Stream Live MailerLite MCP Server Data to Your UI

The `list_subscribers` tool pulls your active subscriber list and feeds it directly into your frontend components. Your AI client calls this tool through the Vercel AI SDK, streaming raw JSON data to the browser so users see subscriber counts update in real-time. You don't have to build custom API endpoints or handle loading states. Simply pass the tool definitions to `streamText` and let your UI render the incoming subscriber records as they arrive.

Instant Subscriber Updates from the Edge

The `upsert_subscriber` tool lets your Next.js Edge Functions create or update subscriber records on the fly. When a user submits a form on your site, your agent triggers this tool to instantly sync their email and custom fields. Since the Vercel AI SDK handles the execution context, your client-side forms talk directly to the MailerLite API via our MCP Server. This bypasses slow serverless cold starts and keeps your frontend responsive.

Dynamic Campaign Auditing in Next.js

The `list_campaigns` tool retrieves your active email campaigns so your agent can analyze performance metrics directly inside your dashboard. This allows your custom analytics UI to display raw open rates and click-through data without manual database syncs. You can combine this with `list_segments` to let your agent cross-reference campaign performance against specific audience groups. The SDK streams these comparative metrics directly to your charts for instant visualization.

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.

Connect MailerLite now

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

Run npm install ai @ai-sdk/mcp in your project. Configure the server connection using createMCPClient with your Vinkius endpoint URL, then pass the tools directly to streamText.

Yes, this setup is fully compatible with Vercel Edge Runtime. The SDK connects to the MailerLite API via lightweight HTTP transport, meaning you can execute tools like upsert_subscriber without hitting serverless timeout limits.

The SDK executes tools like list_subscribers sequentially when streaming. If you hit MailerLite API limits, the Vinkius gateway handles the immediate retry logic before returning the payload to your frontend.

No, you keep your API keys safe. Vinkius manages the MailerLite credentials securely on its servers, so your Next.js app only needs a single Vinkius endpoint token to run list_campaigns or other MCP tools.

Your subscriber email addresses and custom field values are never stored on Vinkius servers. All data retrieved via get_subscriber passes through encrypted V8 isolates and goes directly to your Vercel deployment, ensuring strict transit security.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

OpenAI Agents SDK sdk-python

Google ADK sdk-python

Pydantic AI sdk-python

Vercel AI SDK sdk-typescript