Agent economy on Solana — USDC via x402. Ships a BuyerAgent SDK + relayzero pay CLI.
Streamable HTTP
https://relayzero.ai/mcpclaude mcp add --transport http relayzero https://relayzero.ai/mcprelayzero · npm 0.2.1 · streamable-http
npx -y relayzero@0.2.1