Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL
$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.
Connect Remote server
claude mcp add --transport http agent-preflight https://sdn-screen-x402.sdnscreen.workers.dev/mcp
{
"mcpServers": {
"agent-preflight": {
"url": "https://sdn-screen-x402.sdnscreen.workers.dev/mcp"
}
}
}
{
"servers": {
"agent-preflight": {
"type": "http",
"url": "https://sdn-screen-x402.sdnscreen.workers.dev/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://sdn-screen-x402.sdnscreen.workers.dev/mcp
Tools 6 found in our last check
ofac_wallet_screenScreens a crypto wallet address (EVM, BTC, TRON, SOL, XMR and every other chain OFAC lists) against all Digital Currency Addresses on the US Treasury OFAC SDN list. Returns sanctioned true/false, verdict block/no_match, SDN entity name, sdnType, programs and the list publish dat…
dns_lookupResolves live DNS records for any domain or hostname via 1.1.1.1: A, AAAA, CNAME, MX, NS, TXT, SOA and CAA in one call (type=ALL), or a single type incl. SRV, PTR, DS, DNSKEY, HTTPS. Clean JSON with TTLs, NXDOMAIN flag and DNSSEC-authenticated bit. A URL or email address is redu…
email_auth_checkChecks a domain's email authentication: parses SPF (+all, ?all, multiple records, over 10 DNS lookups), DMARC (p, sp, pct, rua), DKIM keys (your selector or 15 common ones) and MX, then returns an A-F grade, 0-100 score and coded issues (spf_missing, dmarc_p_none, ...). Use when…
whois_domain_ageLooks up a domain in its registry's RDAP server (the ICANN successor to WHOIS, found via the IANA bootstrap): registration date, age in days/years, newlyRegistered (<30 days), expiry, last change, registrar name + IANA ID, EPP status, nameservers and DNSSEC. No personal contact…
email_mx_verifyChecks an email address without sending mail or opening SMTP: syntax, domain exists, MX records (or RFC 5321 A/AAAA fallback), RFC 7505 null MX, MX host resolves, disposable-domain list (~9.9k domains), role account (info@, support@) and free provider. Verdict deliverable_domain…
url_unshortenFollows a URL's HTTP redirects hop by hop (max 10, page bodies never read) and returns the final URL, status, the full chain and heuristic safety flags: shortener_used, cross_domain_redirect, https_downgrade, ip_address_host, punycode_host, userinfo_in_url, high_abuse_tld, crede…
Details
| Endpoint | https://sdn-screen-x402.sdnscreen.workers.dev/mcp (Streamable HTTP) |
| First published | 12 Oct 2026 |
| Last updated | 12 Oct 2026 |
| Registry name | dev.workers.sdnscreen.sdn-screen-x402/agent-preflight |
More communication servers See all
Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.
