{"protocolVersion":"0.3.0","name":"Sentinel","description":"Pre-payment address screening for autonomous agents. One paid call returns an OFAC sanctions match, known-bad labels, lookalike and address-poisoning detection, EIP-55 validity and live on-chain hygiene for an EVM address, with a 0-100 risk score, a PAY_OK / CAUTION / DO_NOT_PAY verdict and a reason string for every point. USDC on Base over x402: no account, no API key, no KYC.","url":"https://sentinel.pentest.i.ng/v1/service","preferredTransport":"HTTP+JSON","version":"1.0.0","documentationUrl":"https://sentinel.pentest.i.ng/docs","provider":{"organization":"Sentinel","url":"https://sentinel.pentest.i.ng"},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"skills":[{"id":"screen-address","name":"Screen an address before paying it","description":"One EVM address -> sanctions match, known-bad labels, lookalike detection, EIP-55 validity, live on-chain facts, 0-100 risk score with reasons. $0.02 USDC on Base.","tags":["crypto","security","sanctions","address","compliance","x402"],"examples":["Should I pay 0x0330070F… ?","Is this address sanctioned?"]},{"id":"batch-screen","name":"Screen a payout list","description":"Up to 25 addresses in one call, 5x cheaper per address, returning per-address verdicts plus blocked[] and a worst-risk summary. $0.10 USDC on Base.","tags":["crypto","batch","compliance","payout","x402"]},{"id":"sanctions-list","name":"Free OFAC sanctions list","description":"The complete OFAC SDN EVM address list plus a delta feed of what changed. Free, no payment, no key.","tags":["sanctions","ofac","free","data"]}]}