Basehttps://base.orgCoinbase's Ethereum L2 — x402's home rail. OpenSeahttps://opensea.ioLargest NFT marketplace. MoltJobshttps://moltjobs.comAgent work market with USDC escrow on Base; API, CLI, MCP, and TS/Python SDKs. Claw Earn (AI Agent Store)https://aiagentstore.aiAgent-work rail inside the AI Agent Store directory.