How to Use the Brevo MCP in Mastra AI

Q: How do I trigger a Brevo SMS inside a Mastra AI workflow?

You expose sendtransactionalsms as a tool to your Mastra AI agent. The workflow engine executes the tool, passing the 164-formatted phone number and message payload directly to the Brevo API.

Q: Can Mastra AI automatically create a Brevo contact if they don't exist?

Yes, you can design a workflow that calls getcontactattributes first. If the contact is missing, Mastra AI branches to execute createcrmcontact before continuing your automation.

Q: How does the workflow handle a failed email domain verification?

The sendtransactionalemail tool will return an error if the domain is unverified. You can configure Mastra to catch this specific error and route the notification to an admin Slack channel instead.

Build resilient multi-step Brevo marketing workflows with Mastra AI and automatic error retries.

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Connect Brevo MCP to Mastra AI

Create your Vinkius account to connect Brevo 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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Automated error handling with Mastra AI

The `send_transactional_email` tool acts as the final step in your automated billing workflows using this MCP Server. If the email bounces or the Brevo API times out, Mastra AI uses its built-in retry engine with exponential backoff to try again. You can build conditional branches that switch to `send_transactional_sms` if the email fails. This ensures your critical alerts reach the user's phone without writing manual try-catch loops in your code.

Branching CRM contact updates

The `update_contact_attributes` tool synchronizes user metadata whenever a payment event occurs. Mastra AI evaluates the payload, checks the user's status, and updates their Brevo profile with the correct tier. If the contact doesn't exist, the workflow branches to `create_crm_contact` first. The framework handles this sequence autonomously, keeping your marketing lists clean without manual intervention.

Automated list curation

The `create_contact_list` tool builds fresh target segments based on live database queries. Your agent runs a cron job, identifies inactive users, and groups them into a new Brevo folder automatically. Use `list_contact_folders` to verify existing lists before creating duplicates. This keeps your CRM tidy and prevents your marketing team from sending overlapping campaigns.

Setup guide

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

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

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

You expose `send_transactional_sms` as a tool to your Mastra AI agent. The workflow engine executes the tool, passing the 164-formatted phone number and message payload directly to the Brevo API.

Yes, you can design a workflow that calls `get_contact_attributes` first. If the contact is missing, Mastra AI branches to execute `create_crm_contact` before continuing your automation.

You deploy your agent to any cloud provider using Mastra's CLI. The agent connects to the hosted Brevo MCP server on Vinkius via an SSE transport, meaning you don't need to bundle the API client code.

The `send_transactional_email` tool will return an error if the domain is unverified. You can configure Mastra to catch this specific error and route the notification to an admin Slack channel instead.

Your API keys and phone numbers are encrypted both in transit and at rest. Mastra AI communicates with the MCP server over secure TLS, and Vinkius runs the process in a zero-trust sandbox that never persists your contact data.

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