Email deliverability audit for any domain. SPF, DKIM, DMARC, MX validation with score 0-100 and fix recommendations. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit…
Email Deliverability X402 is an MCP project maintained in the br0ski777/email-deliverability-x402 repository. The maintainer describes its purpose as “Email deliverability audit for any domain. SPF, DKIM, DMARC, MX validation with score 0-100 and fix recommendations. Pay-per-call via x402 (USDC on Base L2) --…”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://email-deliverability.api.klymax402.com/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| email_audit_deliverability | |
| domain | string |
{
"mcpServers": {
"email-deliverability": {
"url": "https://email-deliverability.api.klymax402.com/mcp"
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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