fix(everything): convert to modern TypeScript SDK APIs

Convert the everything server to use the modern McpServer API instead
of the low-level Server API.

Key changes:
- Replace Server with McpServer from @modelcontextprotocol/sdk/server/mcp.js
- Convert simple tools to use registerTool() for cleaner code
- Convert simple prompts to use registerPrompt()
- Keep advanced features using server.server.setRequestHandler() for low-level access
- Add type dependencies (@types/jszip, @types/cors)
- Update all transport files to use server.server.connect/close pattern
- Fix type literals to use 'as const' assertions

Tools converted to registerTool():
- echo, add, printEnv, getTinyImage, annotatedMessage, getResourceLinks,
  structuredContent, zip

Tools still using setRequestHandler() (need low-level access):
- longRunningOperation (progress tokens)
- sampleLLM (sampling protocol)
- elicitation (elicitation protocol)
- listRoots (client capabilities)
- getResourceReference (strict resource content typing)

All features maintained:
- 13 tools including progress notifications, sampling, elicitation
- 3 prompts (simple, complex, resource)
- 100 paginated resources with templates
- Resource subscriptions
- Completions for prompts and resources
- Roots protocol support
- Logging at various levels
- All three transports (stdio, SSE, streamable HTTP)

The modern API provides:
- Less boilerplate code where applicable
- Better type safety with Zod
- More declarative registration
- Cleaner, more maintainable code

package-lock.json

@@ -1341,6 +1341,16 @@
       "integrity": "sha512-D0CFMMtydbJAegzOyHjtiKPLlvnm3iTZyZRSZoLq2mRhDdmLfIWOCYPfQJ4cu2erKghU++QvjcUjp/5h7hESpA==",
       "dev": true
     },
+    "node_modules/@types/jszip": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/@types/jszip/-/jszip-3.4.0.tgz",
+      "integrity": "sha512-GFHqtQQP3R4NNuvZH3hNCYD0NbyBZ42bkN7kO3NDrU/SnvIZWMS8Bp38XCsRKBT5BXvgm0y1zqpZWp/ZkRzBzg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "jszip": "*"
+      }
+    },
     "node_modules/@types/mime": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.5.tgz",
@@ -4107,6 +4117,7 @@
       "devDependencies": {
         "@types/cors": "^2.8.19",
         "@types/express": "^5.0.0",
+        "@types/jszip": "^3.4.0",
         "shx": "^0.3.4",
         "typescript": "^5.6.2"
       }

src/everything/package.json

@@ -32,6 +32,7 @@
   "devDependencies": {
     "@types/cors": "^2.8.19",
     "@types/express": "^5.0.0",
+    "@types/jszip": "^3.4.0",
     "shx": "^0.3.4",
     "typescript": "^5.6.2"
   }

src/everything/sse.ts

@@ -28,14 +28,14 @@ app.get("/sse", async (req, res) => {
     transports.set(transport.sessionId, transport);
 
     // Connect server to transport
-    await server.connect(transport);
+    await server.server.connect(transport);
     console.error("Client Connected: ", transport.sessionId);
 
     // Start notification intervals after client connects
     startNotificationIntervals(transport.sessionId);
 
     // Handle close of connection
-    server.onclose = async () => {
+    server.server.onclose = async () => {
       console.error("Client Disconnected: ", transport.sessionId);
       transports.delete(transport.sessionId);
       await cleanup();

src/everything/stdio.ts

@@ -9,13 +9,13 @@ async function main() {
     const transport = new StdioServerTransport();
     const {server, cleanup, startNotificationIntervals} = createServer();
 
-    await server.connect(transport);
+    await server.server.connect(transport);
     startNotificationIntervals();
 
     // Cleanup on exit
     process.on("SIGINT", async () => {
         await cleanup();
-        await server.close();
+        await server.server.close();
         process.exit(0);
     });
 }

src/everything/streamableHttp.ts

@@ -52,7 +52,7 @@ app.post('/mcp', async (req: Request, res: Response) => {
 
 
       // Set up onclose handler to clean up transport when closed
-      server.onclose = async () => {
+      server.server.onclose = async () => {
         const sid = transport.sessionId;
         if (sid && transports.has(sid)) {
           console.error(`Transport closed for session ${sid}, removing from transports map`);
@@ -63,7 +63,7 @@ app.post('/mcp', async (req: Request, res: Response) => {
 
       // Connect the transport to the MCP server BEFORE handling the request
       // so responses can flow back through the same transport
-      await server.connect(transport);
+      await server.server.connect(transport);
 
       await transport.handleRequest(req, res);