groww-mcp

Instructions

Implementation Reference

• src/tools/orders.ts:94-135 (handler)

  The handler for the modify_order tool, which validates inputs and calls the growwClient.modifyOrder method.

  // ── modify_order ──────────────────────────────────────────
  server.tool(
    "modify_order",
    "Modify price/quantity of a pending limit order",
    {
      order_id: z.string().describe("Order ID to modify"),
      quantity: z.number().int().positive().optional().describe("New quantity"),
      price: z.number().positive().optional().describe("New limit price"),
      trigger_price: z.number().positive().optional().describe("New trigger price"),
    },
    async ({ order_id, quantity, price, trigger_price }) => {
      try {
        if (!quantity && !price && !trigger_price) {
          return mcpError("At least one of quantity, price, or trigger_price must be provided");
        }
  
        const result = await growwClient.modifyOrder({
          orderId: order_id,
          quantity,
          price,
          triggerPrice: trigger_price,
        });
  
        const changes: string[] = [];
        if (quantity) changes.push(`Quantity → ${quantity}`);
        if (price) changes.push(`Price → ${formatCurrencyExact(price)}`);
        if (trigger_price) changes.push(`Trigger → ${formatCurrencyExact(trigger_price)}`);
  
        const text = [
          `✏️ ORDER MODIFIED`,
          `${"─".repeat(40)}`,
          `Order ID:  ${result.orderId}`,
          `Status:    ${result.status}`,
          `Changes:   ${changes.join(", ")}`,
          `${result.message}`,
        ].join("\n");
        return mcpText(text);
      } catch (err) {
        return mcpError(normalizeError(err));
      }
    }
  );