Score an x402 paid resource for payment safety, discovery completeness, replay/binding risk, and autopay suitability before an agent spends. Returns JSON. Price 0.15 USDC on Base via x402. Demo/preview: https://x402-endpoint-risk-corpus.mtree.workers.dev/demo/risk_report. Contact: https://x402-endpoint-risk-corpus.mtree.workers.dev/contact.