How to Use the Yousign MCP in Vercel AI SDK

Q: Can I check my quota with Yousign in Vercel AI SDK?

Yes. You run getconsumption to retrieve API usage and quota details for your Yousign account. This is useful for displaying billing status directly within your user-facing application.

Q: Which tool should I use first with Yousign in Vercel AI SDK?

Start by using listrequests to see what's already running. If you need a new process, call createrequest. This gives context before your agent attempts any modifications.

Manage eSignature workflows in real time with Vercel AI SDK.

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Connect Yousign MCP to Vercel AI SDK

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

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Track Requests via MCP Server

The `get_request` tool retrieves the current status and full details for any specific signature request ID. This lets your client display real-time progress—is it drafted, sent, or completed? You can also use `list_requests` to pull a list of all active requests within the Yousign organization. When you stream results into the UI using Vercel AI SDK, these status updates appear live. This makes tracking documents and signers feel immediate; users see data pop in as the agent runs.

Manage Signer Lists

If you need to modify a request mid-process, the `add_signer` tool lets you attach new contacts using an existing request ID. Meanwhile, if the process fails or changes scope, `cancel_request` allows you to permanently shut down a workflow and optionally record why. This makes building complex frontends easier. Instead of showing a spinner while waiting for confirmation, your AI client updates the UI instantly when it calls these tools.

Drafting New Workflows

Start any new signature process by calling `create_request`, which puts a draft request into existence using just a descriptive name. If you need to see what documents are attached before sending, the `list_documents` tool pulls that data for you. Because the results stream directly into your UI, users experience this workflow instantly. They don't wait for a page reload; they watch the status change in real time.

Setup guide

Set up Yousign 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 Yousign 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 Yousign 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 Yousign. 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.

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Common questions about Yousign MCP in Vercel AI SDK

The Yousign MCP Server exposes its tools via an endpoint your agent calls. Since Vercel AI SDK streams results, you get real-time status updates on the client side as the agent executes the tool call.

This server manages signature requests and associated document metadata. It specifically handles request IDs, signer contact details, and the list of documents attached to a workflow.

Yes. You run `get_consumption` to retrieve API usage and quota details for your Yousign account. This is useful for displaying billing status directly within your user-facing application.

Start by using `list_requests` to see what's already running. If you need a new process, call `create_request`. This gives context before your agent attempts any modifications.

The server is designed to manage electronic signatures and associated documents. You can use `list_documents` to see the files attached, but remember the focus is on tracking the signature process itself.

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