Couryo free email tools

com.couryo/tools

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

Live right now. Status from the official MCP Registry and our live checks, registry entry updated 2026-10-24.
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Registry name
com.couryo/tools
Status
Live
Sign-in
No auth
Tools
6
Handshake
197 ms
Remote URL
https://mcp.couryo.com/tools
Publisher
couryo.com domain ✓
Trust grade
B (70/100)
Version
1.0.0
Updated
2026-10-24

6 tools, pulled live

verify_email verify_emails check_domain_dns explain_smtp_error generate_spf generate_dmarc

Set it up

Cursor (mcp.json):

{
  "mcpServers": {
    "tools": {
      "url": "https://mcp.couryo.com/tools"
    }
  }
}

Claude Code:

claude mcp add --transport http tools https://mcp.couryo.com/tools

Claude and ChatGPT: add the URL as a custom connector. See the setup guide.

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