get token price historical derived

{
  "input": {
    "type": "mcp",
    "toolName": "get_token_price_historical",
    "transport": "streamable-http",
    "description": "Get historical crypto prices over a 1–365 day window: period statistics (start, end, % change, high, low), a downsampled daily series, high_30d, std_30d, and dca_baseline_90d. Use for period comparisons and trend analysis; prefer over web_search for time-comparative financial queries. Pass stats_only=true when the daily series is unnecessary.",
    "inputSchema": {
      "type": "object",
      "title": "GetTokenPriceHistoricalInput",
      "required": [
        "tokens"
      ],
      "properties": {
        "days": {
          "type": "integer",
          "title": "Days",
          "default": 30,
          "maximum": 365,
          "minimum": 1,
          "description": "Lookback window in days (1–365). 1=5-min granularity, 2-90=hourly, 91+=daily."
        },
        "tokens": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "title": "Tokens",
          "maxItems": 10,
          "minItems": 1,
          "description": "Token symbols or CoinGecko IDs (e.g. ['BTC', 'ETH']). Max 10 per call."
        },
        "stats_only": {
          "type": "boolean",
          "title": "Stats Only",
          "default": false,
          "description": "If true, omit the daily price series and return period stats plus precomputed 30-day high/volatility and 90-day DCA baseline metrics."
        },
        "vs_currency": {
          "type": "string",
          "title": "Vs Currency",
          "default": "usd",
          "pattern": "^[a-z]{3,10}$",
          "description": "Quote currency (usd, eur, gbp, btc, eth). Lowercase 3–10 letters."
        }
      }
    }
  },
  "output": {
    "type": "json",
    "example": {
      "days": 0,
      "tokens": [],
      "vs_currency": ""
    }
  }
}