Production-Grade
WebMCP Tools. Validated.

navigator.modelContext.addTool({
  name: "search_products",
  description: "Search products by keyword, category,
    price range, brand, and rating. Returns matching
    products with thumbnails and prices.",
  inputSchema: {
    type: "object",
    properties: {
      keyword: { type: "string", description: "Search term" },
      category: {
        type: "string",
        enum: ["shoes","clothing","accessories"]
      },
      min_price: { type: "number", minimum: 0 },
      max_price: { type: "number", maximum: 10000 }
    },
    required: ["keyword"]
  },
  execute: async (params) => {
    // Your implementation here
  }
});