refactor: finish MCP SDK v2 migration

examples/video-resource-server/main.ts

@@ -4,10 +4,10 @@
  * Or: node dist/index.js [--stdio]
  */
 
-import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
-import { createMcpExpressApp } from "@modelcontextprotocol/sdk/server/express.js";
-import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
-import { StreamableHTTPServerTransport } from "@modelcontextprotocol/sdk/server/streamableHttp.js";
+import { StdioServerTransport } from "@modelcontextprotocol/server/stdio";
+import { createMcpExpressApp } from "@modelcontextprotocol/express";
+import type { McpServer } from "@modelcontextprotocol/server";
+import { NodeStreamableHTTPServerTransport } from "@modelcontextprotocol/node";
 import cors from "cors";
 import type { Request, Response } from "express";
 import { createServer } from "./server.js";
@@ -27,7 +27,7 @@ export async function startStreamableHTTPServer(
 
   app.all("/mcp", async (req: Request, res: Response) => {
     const server = createServer();
-    const transport = new StreamableHTTPServerTransport({
+    const transport = new NodeStreamableHTTPServerTransport({
       sessionIdGenerator: undefined,
     });
 

examples/video-resource-server/package.json

@@ -24,10 +24,11 @@
     "prepublishOnly": "npm run build"
   },
   "dependencies": {
+    "@modelcontextprotocol/client": "2.0.0-beta.4",
     "@modelcontextprotocol/ext-apps": "^1.7.0",
     "@modelcontextprotocol/express": "2.0.0-beta.4",
     "@modelcontextprotocol/node": "2.0.0-beta.4",
-    "@modelcontextprotocol/sdk": "^1.29.0",
+    "@modelcontextprotocol/server": "2.0.0-beta.4",
     "cors": "^2.8.5",
     "express": "^5.1.0",
     "zod": "^4.1.13"

examples/video-resource-server/server.ts

@@ -12,11 +12,9 @@ import {
 import {
   McpServer,
   ResourceTemplate,
-} from "@modelcontextprotocol/sdk/server/mcp.js";
-import type {
-  CallToolResult,
-  ReadResourceResult,
-} from "@modelcontextprotocol/sdk/types.js";
+  type CallToolResult,
+  type ReadResourceResult,
+} from "@modelcontextprotocol/server";
 import fs from "node:fs/promises";
 import path from "node:path";
 import { z } from "zod";
@@ -135,14 +133,14 @@ Available videos:
 ${Object.entries(VIDEO_LIBRARY)
   .map(([id, v]) => `- ${id}: ${v.description}`)
   .join("\n")}`,
-      inputSchema: {
+      inputSchema: z.object({
         videoId: z
           .enum(Object.keys(VIDEO_LIBRARY) as [string, ...string[]])
           .default("bunny-1mb")
           .describe(
             `Video ID to play. Available: ${Object.keys(VIDEO_LIBRARY).join(", ")}`,
           ),
-      },
+      }),
       outputSchema: z.object({
         videoUri: z.string(),
         description: z.string(),

examples/video-resource-server/src/mcp-app.ts

@@ -5,7 +5,7 @@
  * The video is served as a base64 blob and converted to a data URI for playback.
  */
 import { App, type McpUiHostContext } from "@modelcontextprotocol/ext-apps";
-import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
+import type { CallToolResult } from "@modelcontextprotocol/client";
 import "./global.css";
 import "./mcp-app.css";