eSign (e签宝) MCP Server for Mastra AI 10 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect eSign (e签宝) through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
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: {
"esign-e": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "eSign (e签宝) Agent",
instructions:
"You help users interact with eSign (e签宝) " +
"using 10 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with eSign (e签宝)?"
);
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 eSign (e签宝) MCP Server
Empower your AI agent to orchestrate your digital agreement lifecycle with eSign (e签宝), the premier electronic signature platform in China. By connecting eSign to your agent, you transform complex contract workflows and document signing into a natural conversation. Your agent can instantly list your sign flows, create new signature tasks, manage document templates, and even retrieve signing URLs for participants without you ever needing to navigate the comprehensive eSign portal. Whether you are managing high-volume employee contracts or complex B2B agreements, your agent acts as a real-time legal operations assistant, keeping your documents secure and your business moving.
Mastra's agent abstraction provides a clean separation between LLM logic and eSign (e签宝) tool infrastructure. Connect 10 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
- Sign Flow Orchestration — Create and manage digital signature workflows with full support for documents and signers.
- Template Management — Browse predefined document templates to accelerate your contract production.
- Signature Tracking — Monitor the real-time status of active sign flows and retrieve execution URLs for participants.
- Document Control — Add PDF documents to signature tasks and retrieve download links for completed agreements.
- Organization Insights — Retrieve high-level information about your enterprise eSign account and authorization status.
The eSign (e签宝) MCP Server exposes 10 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.
How to Connect eSign (e签宝) to Mastra AI via MCP
Follow these steps to integrate the eSign (e签宝) MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 10 tools from eSign (e签宝) via MCP
Why Use Mastra AI with the eSign (e签宝) MCP Server
Mastra AI provides unique advantages when paired with eSign (e签宝) through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add eSign (e签宝) 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 eSign (e签宝) 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
eSign (e签宝) + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the eSign (e签宝) MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query eSign (e签宝), process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed eSign (e签宝) as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query eSign (e签宝) on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using eSign (e签宝) tools alongside other MCP servers
eSign (e签宝) MCP Tools for Mastra AI (10)
These 10 tools become available when you connect eSign (e签宝) to Mastra AI via MCP:
add_docs
Add documents to flow
add_signers
Add signers to flow
create_sign_flow
Create a new sign flow
download_docs
Download flow documents
get_execute_url
Get signature URL
get_org_info
Get organization details
get_sign_flow
Get sign flow details
list_sign_flows
List sign flows
list_templates
List sign templates
start_flow
Start sign flow
Example Prompts for eSign (e签宝) in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with eSign (e签宝) immediately.
"List all active signature flows on eSign."
"Get the signing URL for account 'acc-8821' in flow 'flow-9920'."
"Show me all available document templates."
Troubleshooting eSign (e签宝) MCP Server with Mastra AI
Common issues when connecting eSign (e签宝) to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpeSign (e签宝) + Mastra AI FAQ
Common questions about integrating eSign (e签宝) 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.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect eSign (e签宝) with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
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Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect eSign (e签宝) to Mastra AI
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.