{"name":"OFAC Wallet Screen, DNS Lookup & Email Auth Check (x402)","description":"Three keyless pay-per-call tools for AI agents: OFAC SDN crypto-wallet screen, live DNS records lookup, and SPF/DMARC/DKIM email-auth check. $0.01 USDC on Base per call over x402. Also a remote MCP server at /mcp.","price":"$0.01 USDC on Base per call (x402 v2, exact scheme). No API key, no signup.","tools":[{"name":"ofac_wallet_screen","http":"GET https://sdn-screen-x402.sdnscreen.workers.dev/v1/screen?address=0x098b716b8aaf21512996dc57eb0615e2383e2f96","description":"Screens 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 date. Use when an agent is about to send funds to, pay, or accept funds from an unfamiliar wallet. $0.01 USDC on Base."},{"name":"dns_lookup","http":"GET https://sdn-screen-x402.sdnscreen.workers.dev/v1/dns?name=example.com&type=ALL","description":"Resolves 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 reduced to its host. Use when an agent needs to verify a domain, find mail servers or nameservers, or read TXT/SPF records. $0.01 USDC on Base."},{"name":"email_auth_check","http":"GET https://sdn-screen-x402.sdnscreen.workers.dev/v1/email-auth?domain=google.com&selector=20230601","description":"Checks 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 an agent must judge if a domain can be spoofed, debug deliverability, or vet a sender/vendor domain. $0.01 USDC on Base."}],"mcp":{"url":"https://sdn-screen-x402.sdnscreen.workers.dev/mcp","transport":"streamable-http","payment":"x402 in _meta['x402/payment']"},"discovery":["/openapi.json","/.well-known/x402","/.well-known/mcp.json","/llms.txt"],"sdn":{"source":"https://sanctionslistservice.ofac.treas.gov/api/PublicationPreview/exports/SDN.XML","publishDate":"10/09/2026","builtAt":"2026-10-10T17:35:59.413Z","addressCount":1050},"contact":"junk.leads@agentmail.to"}