How to connect Verifi.Email to Claude Cowork

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 Verifi.Email account to Cowork via Composio Connect, enabling it to validate new user signup email addresses, check domain SPF DKIM DMARC records, flag risky emails before outreach campaigns, and more such actions on your behalf without compromising your account security.

Connecting Verifi.Email 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.

2. Add the Composio MCP server

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

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 Verifi.Email through MCP without you sharing account credentials directly with the agent.

The Verifi.Email MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Verifi.Email account. It provides structured and secure access to email validation and domain security checks, so your agent can validate individual addresses, check address lists, detect disposable emails, assess domain health, and review email security recommendations on your behalf.

• Single email validation: Have your agent validate an email address and review its overall validity, syntax, mail server, spoofing, and disposable-address signals.
• Batch email validation: Instruct your agent to check up to 10 email addresses at once and return an ordered result for every entry, including malformed addresses.
• Domain security assessment: Let the agent check a domain's SPF, DKIM, DMARC, and BIMI configuration to assess its email security health.
• Provider recommendations: Direct your agent to review protocol scores and provider recommendations for improving a domain's email security configuration.