How to connect Moosend to Claude Cowork

Trusted by teams atAWSGleanZoomAirtable

30 min · no commitment · see it on your stack

Moosend logo
Claude Cowork logo
divider

Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Moosend account to Cowork via Composio Connect, enabling it to add new subscriber to welcome list, get all campaigns sent last month, retrieve details for summer sale campaign, and more such actions on your behalf without compromising your account security.

Also integrate Moosend with

Connecting Moosend to Claude Cowork

1. Open Customize

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

2. Add the Composio MCP server

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

3. 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 Cowork

4. Connect your Moosend account

Back in Cowork, ask the agent to connect to Moosend or give it any Moosend-related task.

For example, ask Cowork to:

  • "Add new subscriber to welcome list"
  • "Get all campaigns sent last month"
  • "Retrieve details for summer sale campaign"

It will prompt you to authenticate and authorize access.

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

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Moosend through MCP without you sharing account credentials directly with the agent.

What is the Moosend MCP server, and what's possible with it?

The Moosend MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Moosend account. It provides structured and secure access to your email marketing platform, so your agent can perform actions like managing subscribers, automating campaigns, creating mailing lists, and customizing audience data on your behalf.

  • Subscriber management and segmentation: Add, update, or search for subscribers in your mailing lists, letting your agent keep your audience organized and up to date.
  • Campaign creation and analytics: Retrieve, inspect, and manage email campaigns—enabling your agent to help you monitor, review, or even clean up your marketing activities.
  • Mailing list automation: Create or delete mailing lists as needed, so your agent can reorganize or streamline your audience targeting at scale.
  • Custom fields and personalization: Build or remove custom fields in your lists, empowering the agent to personalize campaigns and collect richer subscriber data.
  • Campaign and list cleanup: Direct your agent to permanently remove campaigns or mailing lists you no longer need, keeping your marketing hub tidy and efficient.

Supported Tools & Triggers

Tools
Add or Update SubscriberTool to add or update a subscriber in a mailing list.
Create custom fieldTool to create a custom field in a mailing list.
Create Mailing ListTool to create a new empty mailing list in moosend.
Delete CampaignTool to delete a campaign.
Delete custom fieldTool to remove a custom field definition from a mailing list.
Delete Mailing ListTool to delete a mailing list.
Get all campaignsTool to retrieve a list of all campaigns in your account.
Get All SubscribersTool to retrieve subscribers in a specified mailing list by status.
Get Campaign DetailsTool to retrieve detailed properties of a specific campaign.
Get Subscriber By EmailTool to search for a subscriber by email in a mailing list.
Schedule CampaignTool to schedule a campaign.
Send CampaignTool to send an existing draft campaign immediately.
Update CampaignTool to update a draft campaign.
Update custom fieldTool to update properties of an existing custom field in a mailing list.
Update Mailing ListTool to update the properties of an existing mailing list.

How to build Moosend MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and Moosend MCP?

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

Can I use Tool Router MCP with Claude Cowork?

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 Moosend tools.

Can I manage the permissions and scopes for Moosend while using Tool Router?

Yes, absolutely. You can configure which Moosend 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.

How safe is my data with Composio Tool Router?

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 Moosend data and credentials are handled as safely as possible.

Used by agents from

Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai

Never worry about agent reliability

We handle tool reliability, observability, and security so you never have to second-guess an agent action.