Tiny paid pre-payment oracle for one x402 endpoint: returns pay/block/cap verdict first, warnings and exact 402 term checks second, then execution policy, replay/binding checks, and seller fix appendix. Free preview includes paid_request_body + preview_id; paid route is now $0.03 to match try-it conversion pricing. Price 0.03 USDC on Base via x402. Demo: https://x402-market-intel-mcp.mtree.workers.dev/demo/endpoint_risk. Contact: https://x402-market-intel-mcp.mtree.workers.dev/contact.

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