Merge branch 'v2/main' into v2/fix/tool-row-keys

Both sides added a showcase config row and section after the pagination
entry; kept both, structured output first.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HDdo1rNRVQnVRRdsqSrvG3

clients/web/src/test/integration/mcp/inspectorClient.test.ts

@@ -1,4 +1,5 @@
 import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
+import { resolve } from "node:path";
 import * as z from "zod/v4";
 import { InspectorClient } from "@inspector/core/mcp/inspectorClient.js";
 import {
@@ -45,6 +46,8 @@ import {
   createAddResourceTool,
   createAddToolTool,
   createAddPromptTool,
+  loadConfig,
+  resolveConfig,
 } from "@modelcontextprotocol/inspector-test-server";
 import type {
   MessageEntry,
@@ -1214,6 +1217,52 @@ describe("InspectorClient", () => {
     });
   });
 
+  describe("Structured output showcase config (#1908)", () => {
+    // Drives the shipped `structured-output-http.json` end to end — the file
+    // itself, the `list_items` preset registration, and the fixture's nested
+    // payload. A typo in any of the three fails here rather than leaving the
+    // documented showcase quietly broken.
+    const showcaseConfigPath = resolve(
+      import.meta.dirname,
+      "../../../../../../test-servers/configs/structured-output-http.json",
+    );
+
+    it("serves list_items with a summary block and a nested structuredContent", async () => {
+      server = createTestServerHttp(
+        resolveConfig(loadConfig(showcaseConfigPath)),
+      );
+      await server.start();
+
+      client = new InspectorClient(
+        { type: "streamable-http", url: server.url },
+        { environment: { transport: createTransportNode } },
+      );
+      await client.connect();
+
+      const tool = await getTool(client, "list_items");
+      expect(tool.outputSchema).toBeDefined();
+
+      const result = await client.callTool(tool, {});
+      expect(result.success).toBe(true);
+
+      // The text block only summarizes — the payload is the structured half.
+      const content = result.result!.content as Array<{
+        type: string;
+        text?: string;
+      }>;
+      expect(content[0].type).toBe("text");
+      expect(content[0].text).toBe("Found 2 items.");
+
+      expect(result.result!.structuredContent).toEqual({
+        items: [
+          { id: 1, name: "Item A", tags: ["foo", "bar"] },
+          { id: 2, name: "Item B", tags: ["baz"] },
+        ],
+        total: 2,
+      });
+    });
+  });
+
   describe("Default metadata (server-wide _meta)", () => {
     function metaOf(req: { message: unknown }): Record<string, unknown> {
       const params = (req.message as { params?: { _meta?: unknown } }).params;