Move ServerStarted telemetry after initialization (#905)

* Move server started telemetry

* Add CHANGELOG

Author: conniey

core/Azure.Mcp.Core/src/Areas/Server/Commands/ServiceStartCommand.cs

@@ -130,10 +130,11 @@ public override async Task<CommandResponse> ExecuteAsync(CommandContext context,
 
             await InitializeServicesAsync(host.Services);
 
+            await host.StartAsync(CancellationToken.None);
+
             var telemetryService = host.Services.GetRequiredService<ITelemetryService>();
             LogStartTelemetry(telemetryService, options);
 
-            await host.StartAsync(CancellationToken.None);
             await host.WaitForShutdownAsync(CancellationToken.None);
 
             return context.Response;

servers/Azure.Mcp.Server/CHANGELOG.md

@@ -12,6 +12,7 @@ The Azure MCP Server updates automatically by default whenever a new release com
 
 ### Bugs Fixed
 - Convert ARG usage to .NET SDK method calls of GetEntraAdministratorsAsync and ListFirewallRulesAsync to resolve the related issues ([#779](https://github.com/microsoft/mcp/issues/779) and [#855](https://github.com/microsoft/mcp/issues/855)) in `azmcp_entra_administrator_list` and `azmcp_sql_server_firewall_rule_list` commands. [[#891](https://github.com/microsoft/mcp/pull/891)]
+- Fixed `ServerStarted` telemetry event not being published. [[#905](https://github.com/microsoft/mcp/pull/905)]
 
 ### Other Changes