fix(examples): add error handling to startServer calls

Exit with code 1 if server fails to start (e.g., port in use).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: ochafik

examples/basic-server-react/server.ts

@@ -52,4 +52,4 @@ const server = new McpServer({
   );
 }
 
-startServer(server, { port: getPort(), name: "Basic MCP App Server (React-based)" });
+startServer(server, { port: getPort(), name: "Basic MCP App Server (React-based)" }).catch((e) => { console.error(e); process.exit(1); });

examples/basic-server-vanillajs/server.ts

@@ -52,4 +52,4 @@ const server = new McpServer({
   );
 }
 
-startServer(server, { port: getPort(), name: "Basic MCP App Server (Vanilla JS)" });
+startServer(server, { port: getPort(), name: "Basic MCP App Server (Vanilla JS)" }).catch((e) => { console.error(e); process.exit(1); });

examples/budget-allocator-server/server.ts

@@ -292,4 +292,4 @@ server.registerResource(
 // Server Startup
 // ---------------------------------------------------------------------------
 
-startServer(server, { port: getPort(), name: "Budget Allocator Server" });
+startServer(server, { port: getPort(), name: "Budget Allocator Server" }).catch((e) => { console.error(e); process.exit(1); });

examples/cohort-heatmap-server/server.ts

@@ -201,4 +201,4 @@ const server = new McpServer({
   );
 }
 
-startServer(server, { port: getPort(), name: "Cohort Heatmap Server" });
+startServer(server, { port: getPort(), name: "Cohort Heatmap Server" }).catch((e) => { console.error(e); process.exit(1); });

examples/customer-segmentation-server/server.ts

@@ -100,4 +100,4 @@ const server = new McpServer({
   );
 }
 
-startServer(server, { port: getPort(), name: "Customer Segmentation Server" });
+startServer(server, { port: getPort(), name: "Customer Segmentation Server" }).catch((e) => { console.error(e); process.exit(1); });

examples/scenario-modeler-server/server.ts

@@ -308,4 +308,4 @@ const server = new McpServer({
 // Server Startup
 // ============================================================================
 
-startServer(server, { port: getPort(), name: "SaaS Scenario Modeler Server" });
+startServer(server, { port: getPort(), name: "SaaS Scenario Modeler Server" }).catch((e) => { console.error(e); process.exit(1); });

examples/system-monitor-server/server.ts

@@ -171,4 +171,4 @@ const server = new McpServer({
   );
 }
 
-startServer(server, { port: getPort(), name: "System Monitor Server" });
+startServer(server, { port: getPort(), name: "System Monitor Server" }).catch((e) => { console.error(e); process.exit(1); });

examples/threejs-server/server.ts

@@ -181,4 +181,4 @@ const server = new McpServer({
   );
 }
 
-startServer(server, { port: getPort(), name: "Three.js Server" });
+startServer(server, { port: getPort(), name: "Three.js Server" }).catch((e) => { console.error(e); process.exit(1); });

examples/wiki-explorer-server/server.ts

@@ -138,4 +138,4 @@ const server = new McpServer({
   );
 }
 
-startServer(server, { port: getPort(), name: "Wiki Explorer" });
+startServer(server, { port: getPort(), name: "Wiki Explorer" }).catch((e) => { console.error(e); process.exit(1); });