How to Use the Younium MCP in Vercel AI SDK

Q: How do I check Younium subscription status with the Vercel AI SDK?

You use the getsubscription tool. It pulls all details for a specific subscription, and crucially, it provides historical versions. This lets your agent build out comprehensive timelines of billing changes.

Q: Can I list invoices in Younium using the Vercel AI SDK?

Absolutely. The listinvoices tool pulls every invoice generated by Younium, allowing you to display historical financial statements right in your frontend application.

Q: What data does Younium touch when listing products for the Vercel AI SDK?

The listproducts tool accesses all available items defined in the Younium product catalog. This is essential for letting your agent know what pricing models or services can actually be subscribed to.

Q: Is managing multiple accounts possible with Younium and Vercel AI SDK?

Yes. The listaccounts tool shows all customer accounts, giving you a master list. You then use account-specific tools like getaccount or getmetrics on the individual records.

Stream real-time billing data into your frontend using Vercel AI SDK.

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Connect Younium MCP to Vercel AI SDK

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

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Track Billing Metrics with Your AI Client

The `get_metrics` tool pulls key financial numbers like MRR, ARR, and TCV. When you run this through your agent, the client streams those metrics directly into the UI, so users see the data appear instantly—no loading spinner needed. You'll build user-facing products where seeing live updates is critical. This MCP Server handles complex billing data retrieval, letting your AI client display financial health numbers as they come in.

Manage Subscriptions using the AI SDK

You can use `create_subscription` to automatically set up new recurring payments for an existing account. Just provide the subscription details as a JSON object, and the MCP Server handles the setup on Younium. Need to stop billing? The `cancel_subscription` tool terminates a specific version of a subscription immediately. You just pass the ID, version ID, and effective date.

List Accounts via the AI SDK

The `list_accounts` tool returns every customer account registered in Younium's ERP. This allows your agent to build a directory or lookup system for billing records. You can also use `get_account` to pull full details on any specific client record. It’s perfect for building an internal dashboard where users need complete visibility into one customer's history.

Setup guide

Set up Younium 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 Younium 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 Younium transactions",
});

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

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Common questions about Younium MCP in Vercel AI SDK

You use the `get_subscription` tool. It pulls all details for a specific subscription, and crucially, it provides historical versions. This lets your agent build out comprehensive timelines of billing changes.

Absolutely. The `list_invoices` tool pulls every invoice generated by Younium, allowing you to display historical financial statements right in your frontend application.

The `list_products` tool accesses all available items defined in the Younium product catalog. This is essential for letting your agent know what pricing models or services can actually be subscribed to.

Yes. The `list_accounts` tool shows all customer accounts, giving you a master list. You then use account-specific tools like `get_account` or `get_metrics` on the individual records.

The server touches billing account records. When you use your agent, all actions are processed through an ephemeral, zero-trust sandbox. You only receive the specific data requested for that client session.

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