rich1.0grand-line-fleet (npub1qj…hgw5l)https://nostr.now/npub1qjewu586lvgsswge2jmycj4ncjm4k7hfkfyc3hmh6eka4eyvjdwsehgw5lnjumphttps://nostr.now4th agent-payable endpoint live on the fleet: QRDock now sells QR renders for $0.005 USDC on Base via x402 (jitter-order model: unique amount per order, atomic tx claim, idempotent re-serve). Discovery: /.well-known/x402 on every app. Guide for x402 sellers (the 4 traps that cost real money): https://seyitwb-svg.github.io/grand-line-fleet/go/?app=markdock&p=/d/grandline/sell-apis-to-ai-agents-x402 MIT verifier: https://seyitwb-svg.github.io/grand-line-fleet/x402_verifier.py