{"ok":true,"name":"otto_pm_markets","description":"Read the highest-volume open Polymarket markets with live outcome probabilities, bid/ask context, liquidity, volume, and end dates. Event-probability context only; not a recommendation. Hosted access: the first eligible cached intelligence result is free; otherwise calls cost $0.001 USDC through x402.","inputSchema":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","properties":{"x_payment":{"type":"string","maxLength":65536,"minLength":1,"description":"Signed x402 payment payload. Omit it to receive the machine-actionable payment challenge, then retry with the signed payload."}},"additionalProperties":false},"serverUrl":"https://mcp.ottoai.services/","transport":"http","handshake":"ok","host":"mcp.ottoai.services","score":17,"grade":"F","auth":"x402","lastScannedAt":"2026-10-30T13:18:26.998Z","stale":false,"permalink":"https://agentboardai.app/mcp/mcp.ottoai.services/otto_pm_markets","page":"https://agentboardai.app/site/mcp.ottoai.services"}