How to connect Unione to Claude Cowork

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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 Unione account to Cowork via Composio Connect, enabling it to check your current UniOne email balance, cancel a scheduled email by job ID, list all sender domains and their status, and more such actions on your behalf without compromising your account security.

Also integrate Unione with

Connecting Unione 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 Unione account

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

For example, ask Cowork to:

  • "Check your current UniOne email balance"
  • "Cancel a scheduled email by job ID"
  • "List all sender domains and their status"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Unione 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 Unione through MCP without you sharing account credentials directly with the agent.

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

The Unione MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Unione account. It provides structured and secure access to your Unione email delivery service, so your agent can send transactional or marketing emails, manage sending domains, monitor delivery events, check account balance, and automate email operations on your behalf.

  • Automated email sending and scheduling: Have your agent send transactional or marketing emails and even schedule deliveries right from your Unione account.
  • Domain verification and management: Easily manage sender domains, trigger domain verifications, and handle DNS/DKIM checks to keep your emails deliverable.
  • Event monitoring and export: Let your agent fetch specific email events, retrieve delivery metrics, or export comprehensive email event logs for auditing and analytics.
  • Account balance and plan checks: Quickly access your current email balance and subscription plan details, ensuring you stay within your sending limits.
  • Email job and pricing insights: Retrieve detailed information about specific email jobs and get up-to-date pricing for cost management before sending campaigns.

Supported Tools & Triggers

Tools
UniOne Email BalanceTool to retrieve current account balance.
Cancel Scheduled EmailTool to cancel a scheduled transactional email by its job id.
UniOne Email Domain ManagementTool to manage sender domains in unione.
Get Email EventTool to retrieve details of a specific email event by its id.
UniOne Email Event TypesTool to retrieve supported email event types.
Get Email Send JobTool to retrieve detailed information about a specific email send job.
UniOne Email List (Export)Tool to export email events within a specified time frame.
UniOne Email Event LogTool to initiate an asynchronous export of email events (event dump).
UniOne Email PlanTool to retrieve current subscription plan details.
UniOne Email PricingTool to retrieve current email pricing.
UniOne Email QuotaTool to retrieve current email sending quota.
Resend Sent EmailTool to resend a previously sent email by its job id.
UniOne Email ResubscribeTool to resubscribe a recipient who previously unsubscribed.
Resume Paused EmailTool to resume a paused transactional email by its job id.
UniOne Email ScheduleTool to schedule a transactional email up to 24 hours ahead.
UniOne Email SMTP ConfigurationTool to retrieve smtp server details and credentials.
UniOne Email StatisticsTool to retrieve email sending statistics over a specified time range.
UniOne Email UnsubscribeTool to unsubscribe an email from future emails.
Validate Email AddressTool to validate an email address.
Batch Email ValidationTool to validate multiple email addresses in a batch.
Resend Email Validation ResultsTool to resend results of an email validation request.
UniOne Email Validate ResultTool to retrieve the detailed result of an email validation request.
Retry Email ValidationTool to retry an email validation request.
UniOne Email Validate StatusTool to retrieve the current status of an email validation request.
UniOne Email Webhook TypesTool to retrieve supported email webhook event types.
Create Event DumpTool to create an asynchronous csv event dump.
UniOne Event Dump ListTool to retrieve the full list of event dumps.
Schedule EmailTool to schedule a transactional email up to 24 hours ahead.
Suppression ListTool to return the suppression list since a given date.
Delete TagTool to delete a specific tag.
UniOne Tag ListTool to retrieve all user-defined tags.
UniOne Template ListTool to list email templates.
Set TemplateTool to set or update an email template.
Delete Email Validation RequestTool to delete an email validation request.
Get Event DumpTool to retrieve the contents of a specific event dump.
Set WebhookTool to set or edit a webhook event notification handler.

How to build Unione MCP Agent with another framework

FAQ

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

With a standalone Unione MCP server, the agents and LLMs can only access a fixed set of Unione tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Unione 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 Unione tools.

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

Yes, absolutely. You can configure which Unione 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 Unione data and credentials are handled as safely as possible.

Used by agents from

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HubSpot
Agent.ai
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Context
Letta
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HubSpot
Agent.ai
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Entelligence
Rolai

Never worry about agent reliability

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