lion_ofac_sanctions_screen

Active

Tool of LION - keyless x402 data + RPC for agents

declared in 1.2.0

Keyless OFAC sanctions screening for crypto addresses - no API key, no signup, payment is the only gate. Pass a crypto address (?address=0x...) and get ONE structured JSON: sanctioned (bool), list, match, snapshot_as_of, total_sanctioned_addresses. Screens against the US Treasury OFAC SDN sanctioned digital-currency-address list (refreshed daily into a snapshot; the authoritative 80MB XML cannot be parsed live in an edge worker). A cryptographically-provable single-field sanctions check - Ed25519-attested (verify offline), a narrow VERIFIABLE niche, NOT a broad compliance suite. Address-level only, NO PII. $0.005 USDC on Base via x402. Informational; verify against the official OFAC SDN list for binding compliance. Not legal advice. [x402 paid tool: GET /api/x402/sanctions-screen-json?src=mcp returns the 402 challenge with the canonical payTo; price 0.005 USDC on Base eip155:8453.]

Parameters schema

{
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "address": {
      "type": "string",
      "description": "Crypto address to screen against the OFAC SDN list, e.g. \"0x8589427373D6D84E98730D7795D8f6f8731FDA16\" (ETH) or a BTC/other address."
    }
  }
}

What this tool wraps· 0 endpoints

min confidence0.70 0.50

No endpoints wrapped at confidence ≥ 0.70.

Parent server

LION - keyless x402 data + RPC for agents

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