Yousign MCP Server for Mastra AIGive Mastra AI instant access to 12 tools to Activate Signature Request, Add Document To Request, Add Signer To Request, and more
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Yousign through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
Ask AI about this App Connector for Mastra AI
The Yousign app connector for Mastra AI 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 { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"yousign-alternative": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Yousign Agent",
instructions:
"You help users interact with Yousign " +
"using 12 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Yousign?"
);
console.log(result.text);
}
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.
Mastra's agent abstraction provides a clean separation between LLM logic and Yousign tool infrastructure. Connect 12 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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 Mastra AI 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 Mastra AI
When Mastra AI 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 Mastra AI via MCP
Follow these steps to wire Yousign into Mastra AI. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.
Install dependencies
npm install @mastra/core @mastra/mcp @ai-sdk/openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.ts and run with npx tsx agent.tsExplore tools
Why Use Mastra AI with the Yousign MCP Server
Mastra AI provides unique advantages when paired with Yousign through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Yousign without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Yousign tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Yousign + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Yousign MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Yousign, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Yousign as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Yousign on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Yousign tools alongside other MCP servers
Example Prompts for Yousign in Mastra AI
Ready-to-use prompts you can give your Mastra AI 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 Mastra AI
Common issues when connecting Yousign to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpYousign + Mastra AI FAQ
Common questions about integrating Yousign MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.