How to Use the eSign (e签宝) MCP in Mastra AI

Q: Can I use eSign (e签宝) templates inside Mastra AI?

Absolutely. Use the listtemplates tool to fetch your pre-defined files, then pass the template ID to your contract creation steps.

Build reliable eSign (e签宝) contract workflows in Mastra AI with automatic retries and conditional logic.

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Connect eSign (e签宝) MCP to Mastra AI

Create your Vinkius account to connect eSign (e签宝) to Mastra AI 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 eSign (e签宝) with Mastra AI

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Perplexity

Orchestrate complex flows in Mastra AI

Define branching logic that checks if a signature succeeded using `get_sign_flow`. If it fails, your workflow can automatically trigger a notification or a retry. This gives you a robust way to handle the reality of business deals. You aren't just sending a request; you're managing the entire lifecycle.

Add signers with strict validation

Use `add_signers` as part of a multi-step agent task. You can verify that all required signers are present before your workflow executes `start_flow`. This prevents incomplete contracts from being sent out. It’s about building a predictable path for your legal documents.

Query organization details for audit logs

Call `get_org_info` to verify the identity of the signing entity before triggering any sensitive operations. This is a critical check for high-value agreements. Your Mastra AI agents can use this data to decide which signing template to pull. It adds a layer of intelligence to your document management.

Setup guide

Set up eSign (e签宝) MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All eSign (e签宝) tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "esign-e-mcp-client",
  servers: {
    "esign-e-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "eSign (e签宝) Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to eSign (e签宝) tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent eSign (e签宝) transactions"
);
console.log(result.text);

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by eSign (e签宝). 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 eSign (e签宝) MCP in Mastra AI

Initialize the MCP client in your Mastra config and add the eSign tools to your agent. You can then use them inside any step of your workflow engine.

You can configure your Mastra workflows to retry tool calls. If a network blip hits the server, your agent handles the recovery automatically.

Absolutely. Use the `list_templates` tool to fetch your pre-defined files, then pass the template ID to your contract creation steps.

The server only touches the metadata and flow states required to process your request. No persistent storage of your raw documents occurs on the MCP server itself.

The platform performs the heavy lifting for identity verification. Your workflow just needs to ensure the correct signer details are passed to the tools.

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