x402 DNS Email Auth Checker for Claude Code

dev.workers.microtools-x402.x402-dns-auth-checker/dns-auth-checker

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402.

client:Claude Code transport:streamable-http tools:2

Install x402 DNS Email Auth Checker in Claude Code

run in your project directory

claude mcp add --transport http dns-auth-checker https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs