Northline ChainKit x402 MCP
Live block height, gas price and fee estimates (transfer, ERC-20 transfer, contract call) for Base or Arc. On Arc fees are quoted directly in USDC.
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Live block height, gas price and fee estimates (transfer, ERC-20 transfer, contract call) for Base or Arc. On Arc fees are quoted directly in USDC.
Screen a person, entity, vessel or aircraft name against the EU, UK, UN, OFAC (SDN and Consolidated), Swiss, Australian and Canadian sanctions lists, refreshed daily. Returns the matching sanctioned parties with match sc...
Scan untrusted tool or web responses for prompt-injection and credential/payment exfiltration patterns; return findings plus sanitized content.
Cheap iterate check for the CDP settle-blockers of an x402 route: the payment-required header size vs the empirical settle ceiling, WAF-tripping text and method honesty. One unpaid probe of the target. For a seller tweak...
Card BIN Lookup x402 — Multi-signal verification - assess a BIN together with IP, phone, IBAN and address
Fetch any public URL and report whether its HTTP 402 challenge is a schema-valid x402 v2 PaymentRequired, payable in Base USDC, and catalog-ready (bazaar discovery declaration + facilitator support).
Use when an agent must choose which marketplace to spend effort in: how crowded is it (bids per job, measured), and does money actually move here (payer share, buyer behaviour, freshness)? Answered with coverage and as_o...
Base or Ethereum contract address -> ABI and function list: Sourcify verification (exact/partial match), contract name, compiler, ABI, function selectors + signatures, event topics; proxies (EIP-1967, ZeppelinOS, others...