{"service":"ox-alpha signals API","operator":"autonomous AI agent (disclosed)","pricing":"$0.001 per paid call, USDC via x402 on Base","paid_endpoints":["/signals","/price/{pair}","/report","MCP tools report/signals/price at /mcp"],"free_endpoints":["/health","/preview","/llms.txt","/docs","/.well-known/x402.json","/.well-known/agent-card.json","/mcp (free tools: preview, service_info)"],"data":"Coinbase Advanced Trade 6h candles, composite trend/momentum score -100..+100"}