How to Use the Legito MCP in Mastra AI

Q: Can Mastra AI handle batch document generation using Legito templates?

Yes, you can loop through a list of records and call createdocumentversiondata for each one. Mastra's execution engine manages the parallel promises and handles rate limits gracefully.

Q: What happens if a Legito document update fails mid-workflow?

The Mastra workflow engine catches the error from updatedocumentrecord and executes your defined fallback branch. You can configure it to notify your team via Slack or retry the operation.

Build resilient, multi-step document automation workflows using Mastra AI and the Legito MCP Server.

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Connect Legito MCP to Mastra AI

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Setup Legito with Mastra AI

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Branching document lifecycles with Mastra AI

The `create_document_version_data` tool acts as the entry point for your automated legal pipelines. Mastra AI chains this MCP server tool with conditional blocks to verify document data before publishing. If the initial generation fails, Mastra's workflow engine triggers an automatic retry with exponential backoff. This ensures your contract generation doesn't break due to temporary network hiccups.

Automated tenant provisioning and user group setup

The `create_user_group` tool lets your Mastra agent establish isolated departments for new enterprise clients. You write a single workflow that creates the group, adds users, and sets up custom permissions. By combining `create_user` and `add_user_to_group` in a sequential pipeline, you automate onboarding. The Mastra engine handles the state machine, pausing for manual approval if a step fails.

Resilient document sharing and access control

The `share_with_user_group` tool updates document access across entire departments inside your Mastra workflows. The agent evaluates the document status and shares it only when specific conditions are met. To prevent unauthorized access, you can run `remove_share_from_user_group` automatically if a contract negotiation stalls. Mastra's built-in telemetry logs every transition, giving you a full audit trail of who had access when via the secure Vinkius MCP endpoint token.

Setup guide

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

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

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

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Common questions about Legito MCP in Mastra AI

You set the requireToolApproval flag on sensitive tools like `delete_document_record` in your Mastra agent configuration. The workflow pauses and waits for an admin signature before executing the deletion.

Yes, you can loop through a list of records and call `create_document_version_data` for each one. Mastra's execution engine manages the parallel promises and handles rate limits gracefully.

You deploy your Mastra agent using their standard CLI deploy command to any cloud provider. The agent uses the `update_user_permissions` tool via the secure Vinkius endpoint token.

The Mastra workflow engine catches the error from `update_document_record` and executes your defined fallback branch. You can configure it to notify your team via Slack or retry the operation.

Yes, your template suites and version data are fetched directly from Legito's API. Mastra processes the data locally in your runtime, while the Vinkius MCP gateway ensures all transport is encrypted and ephemeral.

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