MCP tool
emailcheck
Checks an email address's syntax and its domain's MX/A records (deliverability signal, no mail is sent).
The emailcheck tool is provided by Mat Web & Data Toolkit (x402, Cloudflare). Install that server in your AI client and the assistant can call it directly.
Servers exposing emailcheck
From the publisher:Checks an email address's syntax and its domain's MX/A records (deliverability signal, no mail is sent). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).
Install Mat Web & Data Toolkit (x402, Cloudflare) →Parameter Type Description email*string
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