How to Use the Bounsel MCP in Mastra AI

Q: How do I register the Bounsel MCP Server in Mastra AI?

Initialize the client using the @mastra/mcp package with your Vinkius URL. Then, call listTools() on the client and spread those tools directly into your Mastra agent configuration.

Q: Can I require human approval before Mastra AI signs a Bounsel document?

Yes, you can use Mastra's requireToolApproval setting on the senddocument tool. This pauses the workflow and waits for a human operator to review the contract before it is sent to the client.

Run autonomous contract workflows and automated retries with Mastra AI and Bounsel.

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Connect Bounsel MCP to Mastra AI

Create your Vinkius account to connect Bounsel 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 Bounsel with Mastra AI

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Build resilient contract pipelines with Mastra AI

Contracts often stall when signers ignore emails or templates contain errors. With Mastra AI, you can build a workflow that runs `send_document` and automatically retries with exponential backoff if the external service fails. If a signature request fails repeatedly, the workflow engine branches. It can alert an administrator or trigger `list_users` to find an alternative sender, keeping your legal operations moving.

Smart template matching and generation

Let your agent inspect incoming customer data and select the correct legal template autonomously. By using `list_templates` and `get_template`, the agent identifies the precise agreement required for the transaction. Once selected, the agent executes `create_document` via the MCP Server to generate the file with the correct metadata. This removes the manual step of copy-pasting customer details into legal forms.

Automated document lifecycle cleanup

Keep your Bounsel workspace clean by automating document retention policies. Your agent can run `list_documents` on a schedule, identify expired drafts, and remove them using `delete_document`. Before deleting anything, the agent can check `get_document` to ensure no active signature threads are attached. This prevents accidental loss of critical legal files.

Setup guide

Set up Bounsel 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 Bounsel 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: "bounsel-mcp-client",
  servers: {
    "bounsel-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

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

const result = await agent.generate(
  "List recent Bounsel 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 Bounsel. 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 Bounsel MCP in Mastra AI

Initialize the client using the `@mastra/mcp` package with your Vinkius URL. Then, call `listTools()` on the client and spread those tools directly into your Mastra agent configuration.

Yes, you can use Mastra's `requireToolApproval` setting on the `send_document` tool. This pauses the workflow and waits for a human operator to review the contract before it is sent to the client.

Mastra's workflow engine features built-in error handling and conditional branching. If `create_document` fails due to a network glitch, the system retries automatically based on your defined backoff strategy.

No, the client automatically detects whether to use Streamable HTTP or Server-Sent Events. You only need to provide the target Vinkius URL in your initialization code.

All template variables and contract metadata are processed inside ephemeral, isolated containers. Your legal data is never stored on Vinkius servers, maintaining strict confidentiality for your corporate agreements.

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