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An exploration of the emerging agent commerce stack built on x402 (pay-per-call HTTP payments), ERC-8004 (on-chain agent identity), and discovery tools like xgate. The piece traces the evolution from crypto-native AI demos to production-shaped infrastructure where autonomous agents can discover services, pay for compute in stablecoins, and sell their own capabilities as paid endpoints. Langoustine69 is highlighted as a concrete public example: an OpenClaw-based autonomous agent that ships 60+ live x402 endpoints, earns revenue when other agents call them, and maintains a verifiable on-chain identity. The article outlines what's still missing—robust discovery defaults, portable reputation signals, reliable multi-hop payment patterns, and mainstream wallet UX—and argues that when these gaps close, paid tool use becomes cheaper default infrastructure than rebuilding tools from scratch.

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From “Crypto AI” to general AI: Do AI agents dream of electric langoustines?

Do AI agents dream of electric langoustines?