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    "title": "Prediction Market Odds API — Polymarket + Kalshi",
    "description": "Search or look up Polymarket and Kalshi prediction markets and get one unified JSON schema back: prices, volume, liquidity, order books, and de-vigged fair probabilities (multiplicative/power method). No API key needed — built for research, arbitrage-scanning, and AI agents.",
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            "type": "string",
            "description": "Keyword(s) to search for across market questions/titles, e.g. \"bitcoin\", \"2028 election\", \"Fed rate cut\". Use this OR 'market_ids' below — you don't need both. Leave empty if you already know the exact market ID(s) you want (use 'market_ids' instead)."
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