E-Commerce WebMCP Template

// Register search_products tool
navigator.modelContext.registerTool({
  name: "search_products",
  description: "Search the product catalog by keyword, category, and price range.",
  inputSchema: {
      "type": "object",
      "properties": {
          "keyword": {
              "type": "string",
              "description": "Search term (e.g. \"running shoes\")"
          },
          "category": {
              "type": "string",
              "description": "Product category slug"
          },
          "price_min": {
              "type": "number",
              "description": "Minimum price in USD"
          },
          "price_max": {
              "type": "number",
              "description": "Maximum price in USD"
          },
          "sort_by": {
              "type": "string",
              "enum": [
                  "relevance",
                  "price_asc",
                  "price_desc",
                  "rating",
                  "newest"
              ],
              "description": "Sort order"
          },
          "page": {
              "type": "number",
              "description": "Page number (1-indexed)"
          },
          "per_page": {
              "type": "number",
              "description": "Results per page (max 50)"
          }
      },
      "required": [
          "keyword"
      ]
  },
  annotations: {"readOnlyHint":true},
  execute: async (params) => {
    const response = await fetch("/api/search_products", {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify(params),
    });
    return response.json();
  }
});