x402-api
Cross-asset event intelligence for autonomous trading agents — 40 primary sources (SEC, Fed, Federal Register, USGS, Nasdaq halts, DefiLlama, Polymarket…) scored into per-asset impacts. MCP + REST, paid per call in USDC via x402.
AI Initiative Ledger — Coinbase AgentKit actions, Python (deprecated: use floe-guard or @floelabs/cli)