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How to connect Brevo to Claude

Connect Claude Web, Desktop and Cowork to Brevo MCP. Send sms campaign to new subscribers, create or update an email template, and more using natural language, with authentication handled for you.

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Brevo is an all-in-one email and SMS marketing platform for transactional messaging, automation, and CRM. It helps businesses engage customers and streamline communications through powerful campaign tools.

21 Tools

Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your Brevo account to Claude via Composio Connect, enabling it to send SMS campaign to new subscribers, create or update an email template, find contact details by email address, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

Also integrate Brevo with

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Connecting Brevo to Claude Web, Desktop, and Cowork

Two ways to add the Composio connector. Pick whichever you prefer.

1. Add with one click

Click the button. Claude opens with the Composio connector filled in. Click Add, then go to step 2.

Add to Claude

Add manually

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

2. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

3. Connect your Brevo account

Back in Claude, ask it to connect to Brevo or give it any Brevo-related task.

For example, ask Claude to:

  • "Send SMS campaign to new subscribers"
  • "Create or update an email template"
  • "Find contact details by email address"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your Brevo account is ready to use.

What is the Brevo Claude Connector, and what's possible with it?

The Brevo MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Brevo account. It provides structured and secure access to your email, SMS marketing, automation, and contact management tools, so your agent can perform actions like sending campaigns, managing contacts, creating templates, and retrieving account details on your behalf.

  • Automated campaign management: Let your agent create, schedule, or delete SMS campaigns, including customizing recipients, sender details, and campaign content.
  • Contact and company management: Easily add new contacts or companies, update existing records, or remove outdated ones to keep your database organized and up to date.
  • Email template automation: Empower your agent to create, update, or delete email templates for consistent and efficient campaign design and execution.
  • Account information retrieval: Ask your agent to fetch detailed account information, including plan details, credits, and profile data, for easy monitoring and reporting.
  • Contact search and segmentation: Have your agent search for specific contacts or retrieve segmented contact lists based on filters like creation date, list IDs, or attributes.

Troubleshooting

1. Why does Claude not use the Composio connector for Brevo?

The connector can show as connected, but Claude must use it in each Brevo conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to Brevo again.

2. Why does Claude show an MCP server error before Brevo connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for Brevo.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect Brevo.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Brevo authorization link not work?

The Composio connector is one server. Your Brevo account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the Brevo connection.
  • Composio creates a fresh Brevo authorization link.
  • Open that link in your browser and finish the Brevo sign-in.

4. Why do Brevo actions fail after they worked before?

The Brevo connection can expire or lose permission.

  • Ask Claude to inspect the Brevo connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the Brevo account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in Brevo.
  • If the action still fails with a permission error, check that the connected account has that permission in Brevo itself.

5. How do I switch to a different Brevo account?

Claude can manage the Brevo connection for you.

  • Ask Claude to disconnect or delete the current Brevo account.
  • Ask Claude to connect Brevo again.
  • Open the new Composio authorization link for Brevo.
  • Sign in with the other Brevo account in the browser.
  • After the account connects, ask Claude to retry the Brevo task.

6. Why is my Brevo connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your Brevo connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Brevo tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect Brevo.
TOOLS

Supported Tools

Every Brevo action and event your agent gets out of the box.

Create a company

Creates a new company record in your Brevo CRM.

Create Contact List

Creates a new contact list (audience) in Brevo within a specified folder.

Create or Update Email Template

This tool creates a new email template or updates an existing one in Brevo.

Create SMS Campaign

This tool allows you to create a new SMS campaign in Brevo.

Delete a company

Deletes a company from Brevo using its unique identifier.

Delete Contact

Deletes a contact from Brevo by email, contact ID, external ID, phone number, WhatsApp ID, or landline number.

Delete Email Template

This tool deletes an inactive email template from Brevo.

Delete SMS Campaign

This tool deletes an existing SMS campaign.

Get Account Information

Retrieves comprehensive information about the authenticated Brevo account.

Get all contacts

This tool retrieves all contacts from your Brevo account with pagination and filtering based on modification/creation dates, list IDs, segment IDs, and contact attributes.

Get all email templates

This tool retrieves a list of all email templates created in your Brevo account.

Get All Senders

This tool retrieves a list of all senders associated with the Brevo account.

Get Company Details

Retrieves detailed information about a specific company from Brevo's CRM.

Get Contact Details

This tool retrieves detailed information about a specific contact in Brevo.

Get contact lists

Retrieves all contact lists from your Brevo account with pagination support.

Get Email Campaign Details

Tool to retrieve full configuration and content for a specific email campaign.

Get SMS Campaign Details

Retrieves the details of a specific SMS campaign.

Get SMS Campaigns

Retrieves all SMS campaigns from your Brevo account with optional filtering and pagination.

List All Companies

This action retrieves a list of all companies stored in the Brevo CRM.

List Email Campaigns

This tool retrieves a list of all email campaigns associated with the user's Brevo account.

Update Email Campaign

Updates an email campaign in Brevo using its unique identifier.

FRAMEWORKS

How to build Brevo MCP Agent with another framework

Claude Code logo

Claude Code

Use Brevo MCP with Claude Code

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Brevo MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Brevo MCP with Claude Agent SDK

Codex logo

Codex

Use Brevo MCP with Codex

OpenClaw logo

OpenClaw

Use Brevo MCP with OpenClaw

Hermes logo

Hermes

Use Brevo MCP with Hermes

Atomic Agent logo

Atomic Agent

Use Brevo MCP with Atomic Agent

Google ADK logo

Google ADK

Use Brevo MCP with Google ADK

LangChain logo

LangChain

Use Brevo MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Brevo MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Brevo MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Brevo MCP with LlamaIndex

CrewAI logo

CrewAI

Use Brevo MCP with CrewAI

Pydantic AI logo

Pydantic AI

Use Brevo MCP with Pydantic AI

AutoGen logo

AutoGen

Use Brevo MCP with AutoGen

FAQ

Frequently asked questions

With a standalone Brevo MCP server, the agents and LLMs can only access a fixed set of Brevo tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Brevo and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Brevo tools.

Yes, absolutely. You can configure which Brevo scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Brevo data and credentials are handled as safely as possible.

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