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Couryo free email tools

Official registry Productivity

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http couryo-free-email-tools 'https://mcp.couryo.com/tools'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "couryo-free-email-tools": {
            "type": "http",
            "url": "https://mcp.couryo.com/tools"
        }
    }
}

Frequently asked questions

What is Couryo free email tools?

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

How do I install Couryo free email tools?

It runs as a remote server. In Claude Code: claude mcp add --transport http couryo-free-email-tools 'https://mcp.couryo.com/tools'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Couryo free email tools need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Couryo free email tools?

It is published by com.couryo. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.