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• Renamed "primitive.average_entry" → "primitive_average_entry" (letters, digits, _ and - only; max 64). Keep the old name as an alias for a release if clients already call it. (verify)

{
  "name": "primitive_average_entry",
  "description": "Calculate the weighted average entry price from multiple buy/sell fills (DCA): the bare number only, no breakeven or per-fill breakdown. Use when user asks only \"what's my average entry?\" and wants just that figure. Each fill is { price, quantity } here (workflow.run_dca_entry calls the same field size). For breakeven and a per-level summary too, use workflow.run_dca_entry instead. Returns: averagePrice, totalSize, totalCost.",
  "inputSchema": {
    "type": "object",
    "required": [
      "symbol",
      "input"
    ],
    "properties": {
      "input": {
        "type": "object",
        "required": [
          "fills"
        ],
        "properties": {
          "fills": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "price",
                "quantity"
              ],
              "properties": {
                "price": {
                  "type": "number",
                  "description": "Fill price"
                },
                "quantity": {
                  "type": "number",
                  "description": "Fill quantity"
                }
              }
            },
            "minItems": 1,
            "description": "Buy/sell fills to average, each with a price and a quantity (at least 1)"
          }
        },
        "description": "Object with a \"fills\" array, e.g. { \"fills\": [{ \"price\": 60000, \"quantity\": 0.5 }, { \"price\": 58000, \"quantity\": 1 }] }"
      },
      "symbol": {
        "type": "string",
        "description": "Trading pair symbol, e.g. BTCUSDT"
      },
      "contractType": {
        "enum": [
          "linear",
          "inverse"
        ],
        "type": "string",
        "description": "linear = USDT-margined, average is the arithmetic mean (default). inverse = coin-margined, average is the harmonic mean (fill quantity is USD notional)."
      },
      "exchangeCode": {
        "type": "string",
        "description": "Exchange identifier (optional)"
      }
    }
  },
  "annotations": {
    "title": "Average Entry Price",
    "readOnlyHint": true,
    "openWorldHint": false,
    "destructiveHint": false
  },
  "title": "Average Entry Price"
}

• Renamed "primitive.hedge_ratio" → "primitive_hedge_ratio" (letters, digits, _ and - only; max 64). Keep the old name as an alias for a release if clients already call it. (verify)

{
  "name": "primitive_hedge_ratio",
  "description": "Calculate the short perpetual futures position size needed to hedge a spot holding. USDT-linear only: sizes and costs are in USD, there is no contractType and no coin-margined (inverse) mode. Use when user asks \"how much should I short to hedge my BTC?\" or \"what margin do I need for a 100% hedge?\". Returns: hedgeNotional, requiredMargin, estimatedFundingCost.",
  "inputSchema": {
    "type": "object",
    "required": [
      "spotSize"
    ],
    "properties": {
      "leverage": {
        "type": "number",
        "description": "Leverage on the perp short. Default 1."
      },
      "spotSize": {
        "type": "number",
        "description": "Spot position value in USDT"
      },
      "hedgeRatio": {
        "type": "number",
        "description": "Percentage of spot to hedge, e.g. 100 for full hedge, 50 for half. Default 100."
      },
      "fundingRatePct": {
        "type": "number",
        "description": "Current 8h funding rate as percentage, e.g. 0.01. Used for cost estimate."
      }
    }
  },
  "annotations": {
    "title": "Hedge Ratio",
    "readOnlyHint": true,
    "openWorldHint": false,
    "destructiveHint": false
  },
  "title": "Hedge Ratio"
}

• Renamed "system.pubkey" → "system_pubkey" (letters, digits, _ and - only; max 64). Keep the old name as an alias for a release if clients already call it. (verify)

{
  "name": "system_pubkey",
  "description": "Return the ECDSA P-256 public key (PEM + JWK) and canonical signing format used to sign tool responses, so results can be verified offline without calling back to TradingCalc. Every tools/call result includes a signed second content block when signing is configured; also available at GET /api/mcp/pubkey.",
  "inputSchema": {
    "type": "object",
    "required": [],
    "properties": {}
  },
  "annotations": {
    "title": "Signing Public Key",
    "readOnlyHint": true,
    "openWorldHint": false,
    "destructiveHint": false
  },
  "title": "Signing Public Key"
}