x402 DNS Email Auth Checker for Grok
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:Grok
transport:streamable-http
tools:2
Install x402 DNS Email Auth Checker in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"dns-auth-checker": {
"type": "http",
"url": "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp"
}
}
}
Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs