How to Use the Wave Financial MCP in Vercel AI SDK

Q: Can I list businesses for Wave Financial using Vercel AI SDK?

Yep. You can use listbusinesses to get a master list of all organizations linked to the account. This is usually the starting point before calling any other specific tool, like listing accounts.

Q: If I need customer data for Wave Financial, what tool should I use with Vercel AI SDK?

Use the listcustomers tool. You just pass in the specific business ID needed, and it returns a list of records you can immediately display.

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Connect Wave Financial MCP to Vercel AI SDK

Create your Vinkius account to connect Wave Financial 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 Wave Financial with Vercel AI SDK

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Stream Listing Data to the Frontend

The `list_customers` tool fetches a list of customers for a specific business, and your AI client streams that data directly into the UI. The user sees results appear instantly without waiting for a full page load or a loading spinner. This real-time approach lets you build highly interactive dashboards. You can pair this with `list_products` to show product details right as the customer record pops up.

Process Accounts and Vendors Live

`get_user_info` retrieves basic authenticated user data, making it easy to personalize the UI context. You can immediately follow this with `list_vendors` to pull vendor lists needed for quick form filling. Since the Vercel AI SDK handles streaming, you'll see results from tools like `list_accounts` appear live in your React component, giving a smooth, native feel.

View Financial Records Instantly

`list_invoices` pulls all invoices associated with a business, and the Vercel AI SDK pipes that data into your front end. This means users see the invoice list update as soon as the query resolves. This capability is perfect for building financial views where latency matters. You can chain `list_transactions` right after this to give an immediate overview of account activity.

Setup guide

Set up Wave Financial 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 Wave Financial 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 Wave Financial transactions",
});

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

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Common questions about Wave Financial MCP in Vercel AI SDK

The server touches structured financial records, specifically `list_transactions` and invoice data. Your client handles authentication via OAuth, ensuring that the user's token manages access to this sensitive information.

Yep. You can use `list_businesses` to get a master list of all organizations linked to the account. This is usually the starting point before calling any other specific tool, like listing accounts.

Absolutely. The core benefit here is streaming. When you call a tool—say, `list_bills`—the data streams into your UI as it arrives, which is way better than waiting for the whole batch to finish.

You get ten specific tools. These cover everything from getting basic user details (`get_user_info`) to pulling complex lists like `list_sales_taxes`.

Use the `list_customers` tool. You just pass in the specific business ID needed, and it returns a list of records you can immediately display.

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