Azure Monitor: Use Azure.ResourceManager.Monitor package to query metrics

Directory.Packages.props

@@ -18,7 +18,6 @@
     <PackageVersion Include="Azure.Messaging.EventGrid" Version="4.24.0" />
     <PackageVersion Include="Azure.Messaging.ServiceBus" Version="7.20.1" />
     <PackageVersion Include="Azure.Monitor.Ingestion" Version="1.2.0" />
-    <PackageVersion Include="Azure.Monitor.Query" Version="1.7.1" />
     <PackageVersion Include="Azure.Monitor.Query.Logs" Version="1.0.0" />
     <PackageVersion Include="Azure.ResourceManager" Version="1.13.2" />
     <PackageVersion Include="Azure.ResourceManager.ApplicationInsights" Version="1.1.0-beta.1" />
@@ -33,6 +32,7 @@
     <PackageVersion Include="Azure.ResourceManager.EventHubs" Version="1.2.1" />
     <PackageVersion Include="Azure.ResourceManager.CognitiveServices" Version="1.5.1" />
     <PackageVersion Include="Microsoft.CognitiveServices.Speech" Version="1.46.0" />
+    <PackageVersion Include="Azure.ResourceManager.Monitor" Version="1.4.0-beta.3" />
     <PackageVersion Include="Azure.ResourceManager.MySql" Version="1.1.2" />
     <PackageVersion Include="Azure.ResourceManager.PostgreSql" Version="1.3.1" />
     <PackageVersion Include="Azure.ResourceManager.Redis" Version="1.5.1" />

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

@@ -259,6 +259,7 @@ private static void ConfigureSupportLogging(ILoggingBuilder logging, ServiceStar
     /// <param name="commandResult">Command result to update on failure.</param>
     private static void ValidateMode(string? mode, CommandResult commandResult)
     {
+
         if (mode == ModeTypes.SingleToolProxy ||
             mode == ModeTypes.NamespaceProxy ||
             mode == ModeTypes.All ||

servers/Azure.Mcp.Server/CHANGELOG.md

@@ -11,13 +11,16 @@ The Azure MCP Server updates automatically by default whenever a new release com
 
 ### Breaking Changes
 
+- Removed `Azure.Monitor.Query` package dependency as that is now deprecated. [[#1409](https://github.com/microsoft/mcp/pull/1409)]
+
 ### Bugs Fixed
 
 - Fixed a bug where agents connect command result including file search result fail with serialization error. [[#1205](https://github.com/microsoft/mcp/pull/1205)]
 
 ### Other Changes
 
 - Switched to the new `Azure.Monitor.Query.Logs` package to query logs from Azure Monitor. [[#1309](https://github.com/microsoft/mcp/pull/1309)]
+- Switched to `Azure.ResourceManager.Monitor` library to query metrics, list metrics definitions and metrics namespaces.[[#1409](https://github.com/microsoft/mcp/pull/1409)]
 
 #### Dependency updates
 

tools/Azure.Mcp.Tools.Monitor/src/Azure.Mcp.Tools.Monitor.csproj

@@ -12,11 +12,11 @@
   <ItemGroup />
   <ItemGroup>
     <PackageReference Include="Azure.Core" />
-    <PackageReference Include="Azure.Monitor.Query" />
     <PackageReference Include="Azure.Monitor.Query.Logs" />
     <PackageReference Include="Azure.ResourceManager" />
     <PackageReference Include="Azure.ResourceManager.ApplicationInsights" />
     <PackageReference Include="Azure.ResourceManager.OperationalInsights" />
+    <PackageReference Include="Azure.ResourceManager.Monitor" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" />
     <PackageReference Include="ModelContextProtocol" />
     <PackageReference Include="System.CommandLine" />

tools/Azure.Mcp.Tools.Monitor/src/MonitorSetup.cs

@@ -28,7 +28,6 @@ public void ConfigureServices(IServiceCollection services)
         services.AddSingleton<IMonitorHealthModelService, MonitorHealthModelService>();
         services.AddSingleton<IMonitorWebTestService, MonitorWebTestService>();
         services.AddSingleton<IResourceResolverService, ResourceResolverService>();
-        services.AddSingleton<IMetricsQueryClientService, MetricsQueryClientService>();
         services.AddSingleton<IMonitorMetricsService, MonitorMetricsService>();
 
         services.AddSingleton<WorkspaceLogQueryCommand>();