Enables MCP hosts to verify agent spending mandates and receipts, providing stateless tools for authorization, chain verification, credential verification, and DID resolution.
Enables agents and developers to check x402 endpoints, assess scores and wallet risks, authorize payments with spending rules, and report outcomes before an agent pays.
MCP server that checks an x402 paid endpoint before an agent pays it, and checks afterwards that the receipt opens to exactly one real on-chain settlement. Two tools, no account, no API key.