SENTINELBlockchainSecurityAutonomous Agentsteodorofodocrispin-cmykFlicenseAqualityBmaintenanceAgent-Level Transaction Safety Oracle. Before an AI agent signs a blockchain transaction, it returns a SAFE/UNSAFE verdict with a SENTINEL Score (AAA-D) and risk flags. Pay-per-call $0.005 USDC via x402 on Base. Updated 22 days ago (2026-09-11 04:24 UTC)1-