How to Use the Click2Mail MCP in Vercel AI SDK

Q: How do I connect Click2Mail to the Vercel AI SDK?

Install the @ai-sdk/mcp package first. Then initialize the connection using createMCPClient with your Vinkius HTTP transport URL. Pass the resulting tools into your streamText function.

Stream physical mail tracking and submission directly into your Next.js frontend with the Click2Mail Vercel AI SDK integration.

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Connect Click2Mail MCP to Vercel AI SDK

Create your Vinkius account to connect Click2Mail 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 Click2Mail with Vercel AI SDK

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Live Cost Estimates via MCP Server

Building a dashboard for direct mail campaigns requires instant feedback. Your users need to know exactly what a postcard blast costs before they hit send. By calling `get_mail_job_cost` through this MCP Server, your Vercel AI SDK setup streams that pricing data straight into the browser. Waiting for server-side calculations ruins the user experience. You want those dollar amounts appearing in real-time as the user adjusts their mailing parameters. Passing the Vinkius endpoint token into `createMCPClient` handles the backend connection, letting your React components focus on rendering the numbers instantly.

Real-Time Job Tracking in Vercel AI SDK

End users hate refreshing pages to see if their physical mail shipped. You can fix that by wiring up `get_mail_job_details` and `list_mail_jobs` to your streaming text responses. When a user asks about their latest letter, the agent grabs the status and pushes the update live. No loading spinners are necessary here. The agent checks the Click2Mail backend, formats the delivery timeline, and paints the DOM immediately. Calling `mcpClient.close()` keeps your edge functions clean after the MCP stream finishes.

Direct Mail Submission from the Browser

Sending physical letters usually involves clunky web portals. Now you can build a chat interface where users just type out their intent to mail a document. The agent grabs available files using `list_mail_documents` and available contacts with `list_mail_address_lists`. Once the user confirms the details, the system fires off `submit_mail_job`. Your Next.js app shows the confirmation receipt immediately. Everything happens securely because the Vinkius V8 Isolate Sandbox isolates the transaction.

Setup guide

Set up Click2Mail 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 Click2Mail 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 Click2Mail 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 Click2Mail. 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

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Common questions about Click2Mail MCP in Vercel AI SDK

Install the `@ai-sdk/mcp` package first. Then initialize the connection using `createMCPClient` with your Vinkius HTTP transport URL. Pass the resulting tools into your `streamText` function.

Yes, it handles financial data perfectly. Your agent calls the cost estimation tool and the SDK streams those exact dollar amounts into your frontend components as they arrive.

The tool returns the failure state directly to your agent. Your React UI will render the error message instantly since the SDK streams the response back to the client.

The Vinkius HTTP transport plays nicely with edge environments. You just need to ensure you call `mcpClient.close()` when the stream finishes to prevent hanging connections.

The server only accesses the specific address lists and document IDs you request. Vinkius wraps this connection in an ephemeral V8 Isolate Sandbox, destroying the environment instantly after the request finishes.

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