xka0085-byte
GitHub2 servers
ReceiptRailxka0085-byteIssue and verify on-chain x402 delivery receipts on Solana. Hash-locked, independently verifiable proof of delivery for AI agent payments - buyers verify offline with zero trust in the issuer.MCP Doctorxka0085-byteRead-only MCP and x402 endpoint preflight checks: 402 challenge, payment documents, accepts[] conformance, discovery manifests, response digest. Zero dependencies.