_MAKO Agent Commerce Verifier: paid x402 preflight for agents deciding whether to call, trust, or pay another agent/API. Checks x402 discovery metadata, route schemas, payment options, price fit, networks, settlement readiness, and returns a machine-readable verdict plus call plan and signed/hash receipt. Keywords: agent commerce verifier, x402 trust monitor, paid agent preflight, Bazaar metadata, agent-to-agent payments, USDC.