WebMCP

<!-- webMcpPresent + correct: declarative WebMCP form with tool metadata on the form
         and a per-parameter description on the input. -->
    <form
      toolname="subscribe_newsletter"
      tooldescription="Subscribe an email address to the newsletter."
      action="/api/subscribe"
      method="post"
    >
      <label>
        Email
        <input name="email" type="email" toolparamdescription="Subscriber email address" required />
      </label>
      <button type="submit">Subscribe</button>
    </form>

<!-- webMcpPresent + correct: imperative registration with a complete inputSchema, on the
         current-draft home (document.modelContext, W3C draft 28 Jul 2026) and registered from a
         getTools() continuation — a crawler whose emulation misses any current-draft member
         (registerTool, getTools) visibly fails to capture the tool. The legacy navigator home is
         covered by issues.html. -->
    <script>
      if (document.modelContext) {
        (async () => {
          await document.modelContext.getTools();
          document.modelContext.registerTool({
            name: "get_order_status",
            description: "Look up the status of an order by its ID.",
            inputSchema: {
              type: "object",
              properties: { orderId: { type: "string", description: "Order identifier" } },
              required: ["orderId"],
            },
            async execute({ orderId }) {
              return { status: "shipped", orderId };
            },
          });
        })();
      }
    </script>