SMTPing MCP server

Verify email addresses from Claude, ChatGPT and any MCP client. Add this URL as a custom connector, then sign in with your SMTPing API key:

https://mcp.smtping.com/mcp

Tools: verify_email, verify_list, get_bulk_job, check_threat, get_credits. Unknown results are never charged; 25 free credits per day per account.

API docs · Create a free account · support@smtping.com