mcp-otle

Instructions

Implementation Reference

• index.js:176-258 (handler)

  The 'place_order' tool implementation handles the complete ordering flow, including price calculation, order creation with simulated state, and generating a confirmation receipt.

  server.tool(
    "place_order",
    "Place a complete Chipotle order. Provide your entree details, optional sides, and drinks.",
    {
      entree: z.enum(ENTREES).describe("Type of entree"),
      protein: z.enum(PROTEINS).describe("Choice of protein"),
      rice: z.enum(RICES).describe("Choice of rice"),
      beans: z.enum(BEANS).describe("Choice of beans"),
      toppings: z
        .array(z.enum(TOPPINGS))
        .min(0)
        .max(TOPPINGS.length)
        .describe("List of toppings"),
      double_protein: z.boolean().default(false).describe("Double protein"),
      sides: z.array(z.enum(SIDES)).default([]).describe("Optional sides"),
      drinks: z.array(z.enum(DRINKS)).default([]).describe("Optional drinks"),
      name: z.string().describe("Name for the order"),
    },
    async ({ entree, protein, rice, beans, toppings, double_protein, sides, drinks, name }) => {
      let price = { Burrito: 10.75, Bowl: 10.75, "Tacos (3)": 10.75, Salad: 10.75, Quesadilla: 11.5, "Kid's Meal": 6.25 }[entree] || 10.75;
      if (double_protein) price += 3.75;
      if (toppings.includes("Guacamole")) price += 2.95;
      if (toppings.includes("Queso Blanco")) price += 1.65;
  
      const sidePrices = { Chips: 1.95, "Chips & Guac": 5.45, "Chips & Queso": 4.25, "Chips & Salsa": 2.95 };
      for (const side of sides) price += sidePrices[side] || 0;
  
      const drinkPrice = 2.65;
      price += drinks.length * drinkPrice;
  
      const tax = price * 0.0825;
      const total = price + tax;
  
      const orderId = generateOrderId();
      const waitTime = getWaitTime();
  
      const order = {
        id: orderId,
        name,
        entree,
        protein: double_protein ? `Double ${protein}` : protein,
        rice,
        beans,
        toppings,
        sides,
        drinks,
        subtotal: price.toFixed(2),
        tax: tax.toFixed(2),
        total: total.toFixed(2),
        status: "Being Prepared",
        estimatedWait: waitTime,
        placedAt: new Date().toISOString(),
      };
  
      orders.push(order);
  
      const receipt = [
        "# Order Confirmed!",
        "",
        `**Order #${orderId}** for **${name}**`,
        "",
        "---",
        `**${entree}**`,
        `  Protein: ${order.protein}`,
        `  Rice: ${rice}`,
        `  Beans: ${beans}`,
        `  Toppings: ${toppings.length > 0 ? toppings.join(", ") : "None"}`,
        "",
        ...(sides.length > 0 ? ["**Sides:** " + sides.join(", "), ""] : []),
        ...(drinks.length > 0 ? ["**Drinks:** " + drinks.join(", "), ""] : []),
        "---",
        `Subtotal: $${order.subtotal}`,
        `Tax: $${order.tax}`,
        `**Total: $${order.total}**`,
        "",
        `Estimated wait: ~${waitTime} minutes`,
        "",
        `> ${getRandomQuip()}`,
      ];
  
      return { content: [{ type: "text", text: receipt.join("\n") }] };
    }
  );