Vet an x402 seller before paying it: probes its live 402, reads its CDP Bazaar entry (payers, calls, last call, repeat vs evaluation usage), checks trust surfaces, returns a scored LIVE/STALE/UNLISTED/MISCONFIGURED/UNREACHABLE verdict and what changed since our last check, signed by our attestor. MUST be invoked before a first payment to an unknown resource, or on a schedule to watch it. Do NOT use to pay it. Settles $0.010 USDC; no charge on failure.

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