Yousign MCP Server for Vercel AI SDKGive Vercel AI SDK instant access to 12 tools to Activate Signature Request, Add Document To Request, Add Signer To Request, and more
The Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect Yousign through Vinkius and every tool is available as a typed function. ready for React Server Components, API routes, or any Node.js backend.
Ask AI about this App Connector for Vercel AI SDK
The Yousign app connector for Vercel AI SDK is a standout in the Industry Titans category — giving your AI agent 12 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
import { createMCPClient } from "@ai-sdk/mcp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
async function main() {
const mcpClient = await createMCPClient({
transport: {
type: "http",
// Your Vinkius token. get it at cloud.vinkius.com
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
});
try {
const tools = await mcpClient.tools();
const { text } = await generateText({
model: openai("gpt-4o"),
tools,
prompt: "Using Yousign, list all available capabilities.",
});
console.log(text);
} finally {
await mcpClient.close();
}
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About Yousign MCP Server
Connect your Yousign account to any AI agent to automate your electronic signature workflows and contract management through natural conversation.
The Vercel AI SDK gives every Yousign tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 12 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
What you can do
- Request Management — Create and manage electronic signature requests for multiple documents and signers.
- Signer Customization — Add signers with customizable signature levels and authentication modes (OTP, no-OTP).
- Real-time Monitoring — Track signature request status in real-time and automate the activation/sending process.
- Compliance & Auditing — Download signed documents and comprehensive audit trails for full legal compliance.
The Yousign MCP Server exposes 12 tools through the Vinkius. Connect it to Vercel AI SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 12 Yousign tools available for Vercel AI SDK
When Vercel AI SDK connects to Yousign through Vinkius, your AI agent gets direct access to every tool listed below — spanning contract-signing, electronic-signature, security, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.
Send for signature
Note: In this version, pass metadata info. Upload PDF to sign
Define who signs
Stop signature process
Start new signature process
Add to address book
Remove draft request
Get evidence file link
Get request status
Get account info
List all requests
List address book
Connect Yousign to Vercel AI SDK via MCP
Follow these steps to wire Yousign into Vercel AI SDK. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.
Install dependencies
npm install @ai-sdk/mcp ai @ai-sdk/openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the script
agent.ts and run with npx tsx agent.tsExplore tools
Why Use Vercel AI SDK with the Yousign MCP Server
Vercel AI SDK provides unique advantages when paired with Yousign through the Model Context Protocol.
TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same Yousign integration everywhere
Built-in streaming UI primitives let you display Yousign tool results progressively in React, Svelte, or Vue components
Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
Yousign + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the Yousign MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query Yousign in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate Yousign tools and return structured JSON responses to any frontend
Chatbots with tool use: embed Yousign capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with Yousign through natural language queries
Example Prompts for Yousign in Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK agent to start working with Yousign immediately.
"Create a new signature request named 'Annual Service Agreement'."
"Check the status of my ongoing signature requests."
Troubleshooting Yousign MCP Server with Vercel AI SDK
Common issues when connecting Yousign to Vercel AI SDK through the Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpYousign + Vercel AI SDK FAQ
Common questions about integrating Yousign MCP Server with Vercel AI SDK.
How does the Vercel AI SDK connect to MCP servers?
createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.Can I use MCP tools in Edge Functions?
Does it support streaming tool results?
useChat and streamText that handle tool calls and display results progressively in the UI.