Stablecoin Gateways MCP Server

Crypto wallet sanctions check (OFAC): is this blockchain address on the US Treasury OFAC sanctions lists? Exact match against all 1,000+ digital currency addresses OFAC publishes on SDN and Consolidated entries (Bitcoin, Tron, Ethereum and EVM chains, USDT, Litecoin, Monero and more), returning the listing's program and entry ID. Use before sending or accepting a crypto payment. No tracing or risk scoring. Signed receipt. Price: $0.002 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"address":"0x098B716B8Aaf21512996dC57EB0615e2383E2f96"}.

Sanctions screening (OFAC, EU, UK, UN): is a company, organisation, vessel (name or IMO), aircraft or crypto wallet address sanctioned? Screens the official US OFAC SDN and Consolidated lists, the EU consolidated financial sanctions list and the UK Sanctions List, flagging UN Security Council designations, with fuzzy name and alias matching; returns matches, scores, programs and each list's date. Entities only, not individuals. Use for KYB, AML, vendor and pre-payment screening. Data lookup, not a compliance determination. Signed receipt. Price: $0.005 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"name":"Huawei Technologies","lists":"all"}.

Business days and public holidays: check if a date is a business day, add or subtract N business days, count business days between dates, or list holidays, for 250 countries, 630 subdivisions (e.g. US-NY, GB-ENG) and 31 stock exchanges, 2025-2030. Use for payment due dates, T+N settlement, delivery estimates and SLAs. Data: python-holidays (MIT). Signed receipt. Price: $0.001 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"calendar":"US-NY","op":"add","date":"2026-12-23","days":"3"}.

Free. Lists every paid tool with its price in USD, parameters, data source, payment networks and docs links.

Currency converter (ECB reference rates): convert an amount from one currency to one or more others, e.g. 250 USD to EUR, GBP and JPY, at the latest European Central Bank rate or any day in the last 90 days. Returns the rate, converted amount and rate date for each target. 30 currencies. Reference rates, not transaction rates. Source: ECB. Signed receipt. Price: $0.001 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"from":"USD","to":"EUR,GBP,JPY","amount":"250"}.

Counterparty check (KYB preflight) in one call: give any of a company name, domain, LEI or crypto wallet address (plus an optional EU VAT number), get neutral sourced facts for vendor onboarding and supplier due diligence: sanctions screen of the name on OFAC, EU and UK lists with UN designations flagged, US federal exclusions (SAM.gov debarments and suspensions of firms, by name or UEI), OFAC wallet check, GLEIF LEI match and status, domain age, registrar and email-auth, and an EU VAT number format check. No risk score or verdict. Signed receipt. Price: $0.01 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"name":"Siemens Aktiengesellschaft","domain":"siemens.com","vat":"DE129274202"}.

Domain lookup and due diligence (DNS, WHOIS/RDAP, email security): give a domain or hostname, get DNS records (A, AAAA, MX, NS, TXT, CAA), SPF, DMARC, DKIM and MTA-STS email-auth posture, HTTPS/HSTS status, and registrar, creation and expiry dates from registry RDAP. Use to check a website's setup, email deliverability or domain age before trusting it. No personal data. Signed receipt. Price: $0.003 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"domain":"example.com"}.

Free. Service health, enabled payment rails, uptime summary and dataset freshness (OFAC list publish dates, ECB, Treasury).

LEI lookup (GLEIF): find a company's Legal Entity Identifier by legal name, or get the full record by LEI: legal name, jurisdiction, entity and registration status, registered and headquarters address, and direct and ultimate parent companies. Use for KYB, company identity verification, counterparty identification and corporate ownership checks. Global coverage, CC0 data. Signed receipt. Price: $0.002 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"lei":"HWUPKR0MPOU8FGXBT394"}.

Merchant check (KYB facts) before an agent pays: give a merchant's domain and optionally its company name, get neutral sourced facts in one call for merchant verification and vendor due diligence: domain registration date and age, expiry and registrar (registry RDAP), DNS and SPF/DMARC email-auth, an OFAC sanctions screen of the name, GLEIF LEI match and SEC EDGAR match. No risk score or fraud verdict. Signed receipt. Price: $0.01 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"domain":"apple.com","name":"Apple Inc."}.

Web page to markdown: give a public URL, get its main content as clean Markdown for LLMs (navigation, footers and scripts removed) with title, canonical URL, language, publish date and links. Use when an agent needs to read, quote or summarise a page. Respects robots.txt, ai.txt and noai; no paywall bypass; refusals are not charged. Signed receipt. Price: $0.002 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"url":"https://example.org/"}.

Product recall check (US): has a product or brand been recalled? Searches CPSC consumer product recalls and FDA food, drug and medical device enforcement reports (openFDA) in one call; returns hazard or reason, remedy, date, FDA recall class and agency link. Use for product safety, e-commerce listing and procurement checks. Signed receipt. Price: $0.002 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"q":"stroller","source":"cpsc"}.

US Treasury yields and inflation data: daily Treasury par yield curve (1-month to 30-year) plus BLS CPI, core CPI, unemployment rate and nonfarm payrolls for the last 13 months with year-over-year change. Use when a finance agent needs current US interest rates, inflation or jobs data. Sources: US Treasury, BLS (public). Signed receipt. Price: $0.002 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"series":"treasury,cpi"}.

Currency exchange rates from the European Central Bank: euro reference rates for 29 currencies plus EUR (USD, GBP, JPY, CHF, CNY...), latest or any day in the last 90 days, with cross rates for any base and optional amount conversion (e.g. 100 USD to EUR). Use for invoicing, pricing and reporting. Reference rates, not transaction rates. Source: ECB; free at ecb.europa.eu. Signed receipt. Price: $0.001 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"base":"USD","symbols":"EUR,GBP,JPY"}.

SEC EDGAR company lookup by stock ticker or CIK: revenue, net income, assets, liabilities, equity, cash, EPS and shares from the latest 10-K/10-Q XBRL data, plus recent 10-K, 10-Q and 8-K filings with links, exchange, state of incorporation and industry (SIC). Use when you need a US public company's fundamentals, filings or identity. Signed receipt. Price: $0.003 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"ticker":"AAPL"}.

Free. Verifies an Ed25519 receipt returned by any paid tool: signature, presence in the hash-chained log, and an explorer link for the payment.

WHOIS / RDAP domain lookup: give a domain, get registrar, registration (creation), expiry and last-updated dates, status codes and nameservers from the registry's RDAP service, plus DNS records and SPF/DMARC/DKIM email-auth posture. Use to check a domain's age, registrar or expiry before trusting a merchant, vendor or counterparty. No personal data. Signed receipt. Price: $0.003 per call via x402 (USDC on Base or XRP on XRPL). The response includes a `provenance` block (sg-provenance/1): each fact carries its source, source URL, retrieval time and limits; evidence only, no score, rating or verdict. Example arguments: {"domain":"example.com"}.