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• Added readOnlyHint: true (inferred from the name). (verify)

{
  "name": "compare_tickers",
  "description": "Rank two or more tickers against each other by a single metric (total_return, volatility, sharpe, max_drawdown, last_price). Symbols that cannot be resolved (or lack enough history) are skipped and noted in `warnings` rather than failing the call. Returns a ranked list of {ticker, value, rank, currency} (rank 1 = best). (paid: $0.0050/call)",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "tickers"
    ],
    "properties": {
      "range": {
        "enum": [
          "5d",
          "1mo",
          "3mo",
          "6mo",
          "1y",
          "2y",
          "5y",
          "max"
        ],
        "type": "string",
        "default": "1y"
      },
      "metric": {
        "enum": [
          "total_return",
          "volatility",
          "sharpe",
          "max_drawdown",
          "last_price"
        ],
        "type": "string",
        "default": "total_return"
      },
      "tickers": {
        "type": "array",
        "items": {
          "type": "string"
        }
      }
    },
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": true
  }
}

• Added readOnlyHint: true (inferred from the name). (verify)

{
  "name": "compute_portfolio_stats",
  "description": "Compute portfolio-level statistics for a weighted basket of tickers. Given a {ticker: weight} mapping, fetches each ticker's daily history over range and returns the portfolio-level (not per-ticker) volatility, sharpe, max_drawdown and total_return of the weighted basket. weights need NOT sum to 1 (normalized internally). Tickers that cannot be fetched are dropped, a note is added to warnings, and the remaining weights are renormalized. risk_free_rate is an annual rate used only by Sharpe. Retur",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "weights"
    ],
    "properties": {
      "range": {
        "enum": [
          "5d",
          "1mo",
          "3mo",
          "6mo",
          "1y",
          "2y",
          "5y",
          "max"
        ],
        "type": "string"
      },
      "weights": {
        "type": "object",
        "additionalProperties": {
          "type": "number"
        }
      },
      "risk_free_rate": {
        "type": "number"
      }
    },
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": true
  }
}

• Added readOnlyHint: true (inferred from the name). (verify)

{
  "name": "compute_stats",
  "description": "Compute quantitative statistics (volatility, sharpe, max_drawdown, returns, beta, correlation) over a ticker's daily price history. Omit `metrics` to default to volatility/sharpe/max_drawdown/returns. `beta` and `correlation` require a `benchmark` ticker; `risk_free_rate` is used only by the Sharpe ratio. (paid: $0.0050/call)",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "ticker"
    ],
    "properties": {
      "range": {
        "enum": [
          "5d",
          "1mo",
          "3mo",
          "6mo",
          "1y",
          "2y",
          "5y",
          "max"
        ],
        "type": "string",
        "default": "1y"
      },
      "ticker": {
        "type": "string"
      },
      "metrics": {
        "anyOf": [
          {
            "type": "array",
            "items": {
              "enum": [
                "volatility",
                "sharpe",
                "max_drawdown",
                "beta",
                "returns",
                "correlation"
              ],
              "type": "string"
            }
          },
          {
            "type": "null"
          }
        ]
      },
      "benchmark": {
        "type": [
          "string",
          "null"
        ]
      },
      "risk_free_rate": {
        "type": "number",
        "default": 0
      }
    },
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": true
  }
}