diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticPlanReviewRequest.cs b/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticPlanReviewRequest.cs
index fd7b82afe6..7e66cd4c1a 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticPlanReviewRequest.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticPlanReviewRequest.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using Microsoft.Extensions.AI;
 
@@ -15,6 +16,7 @@ namespace Microsoft.Agents.AI.Workflows;
 /// contain the latest progress ledger that determined that no progress has been made or the workflow was in
 /// a loop.</param>
 /// <param name="IsStalled">Whether the workflow is currently stalled.</param>
+[Experimental(DiagnosticConstants.ExperimentalFeatureDiagnostic)]
 public record MagenticPlanReviewRequest(ChatMessage Plan, MagenticProgressLedger? CurrentProgress, bool IsStalled)
 {
     /// <summary>
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticPlanReviewResponse.cs b/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticPlanReviewResponse.cs
index 0a72ccfa0f..952cd9fade 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticPlanReviewResponse.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticPlanReviewResponse.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using Microsoft.Extensions.AI;
 
 namespace Microsoft.Agents.AI.Workflows;
@@ -12,6 +13,7 @@ namespace Microsoft.Agents.AI.Workflows;
 /// <param name="Review">
 /// Review feedback for a generated plan. Empty if the plan is approved as-is and changes are requested.
 /// </param>
+[Experimental(DiagnosticConstants.ExperimentalFeatureDiagnostic)]
 public record MagenticPlanReviewResponse(List<ChatMessage> Review)
 {
     internal bool IsApproved => this.Review.Count == 0;
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticProgressLedger.cs b/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticProgressLedger.cs
index 445007d3f3..65058e7430 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticProgressLedger.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticProgressLedger.cs
@@ -14,6 +14,7 @@ namespace Microsoft.Agents.AI.Workflows;
 /// <summary>
 /// Maintains a ledger of progress made by the Magentic workflow.
 /// </summary>
+[Experimental(DiagnosticConstants.ExperimentalFeatureDiagnostic)]
 public class MagenticProgressLedger
 {
     internal static readonly BooleanProgressLedgerSlot IsRequestSatisfiedSlot = new("is_request_satisfied",
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticWorkflowBuilder.cs b/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticWorkflowBuilder.cs
index f5b8091dc2..7c1e801ab1 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticWorkflowBuilder.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows/MagenticWorkflowBuilder.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Threading.Tasks;
 using Microsoft.Agents.AI.Workflows.Specialized.Magentic;
 
@@ -25,6 +26,7 @@ namespace Microsoft.Agents.AI.Workflows;
 ///   not supported on the ManagerAgent.
 /// </summary>
 /// <param name="managerAgent"></param>
+[Experimental(DiagnosticConstants.ExperimentalFeatureDiagnostic)]
 public class MagenticWorkflowBuilder(AIAgent managerAgent)
 {
     private readonly List<AIAgent> _team = new();
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows/Microsoft.Agents.AI.Workflows.csproj b/dotnet/src/Microsoft.Agents.AI.Workflows/Microsoft.Agents.AI.Workflows.csproj
index 8b6e57750b..a119f51ac1 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows/Microsoft.Agents.AI.Workflows.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows/Microsoft.Agents.AI.Workflows.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <IsReleased>true</IsReleased>
-    <NoWarn>$(NoWarn);MEAI001</NoWarn>
+    <NoWarn>$(NoWarn);MEAI001;MAAIW001</NoWarn>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows/Specialized/Magentic/MagenticOrchestrator.cs b/dotnet/src/Microsoft.Agents.AI.Workflows/Specialized/Magentic/MagenticOrchestrator.cs
index b272ed102d..afd4e606e9 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows/Specialized/Magentic/MagenticOrchestrator.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows/Specialized/Magentic/MagenticOrchestrator.cs
@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text.Json.Serialization;
 using System.Threading;
@@ -17,6 +18,7 @@ namespace Microsoft.Agents.AI.Workflows.Specialized.Magentic;
 [JsonDerivedType(typeof(MagenticPlanCreatedEvent))]
 [JsonDerivedType(typeof(MagenticReplannedEvent))]
 [JsonDerivedType(typeof(MagenticProgressLedgerUpdatedEvent))]
+[Experimental(DiagnosticConstants.ExperimentalFeatureDiagnostic)]
 public abstract class MagenticOrchestratorEvent(object? data) : WorkflowEvent(data)
 {
 }
@@ -25,6 +27,7 @@ public abstract class MagenticOrchestratorEvent(object? data) : WorkflowEvent(da
 /// Represents the creation of the initial plan
 /// </summary>
 /// <param name="fullTaskLeger"></param>
+[Experimental(DiagnosticConstants.ExperimentalFeatureDiagnostic)]
 public sealed class MagenticPlanCreatedEvent(ChatMessage fullTaskLeger) : MagenticOrchestratorEvent(fullTaskLeger)
 {
     /// <summary>
@@ -37,6 +40,7 @@ public sealed class MagenticPlanCreatedEvent(ChatMessage fullTaskLeger) : Magent
 /// Represents the creation of a new plan in response to a stall.
 /// </summary>
 /// <param name="fullTaskLeger"></param>
+[Experimental(DiagnosticConstants.ExperimentalFeatureDiagnostic)]
 public sealed class MagenticReplannedEvent(ChatMessage fullTaskLeger) : MagenticOrchestratorEvent(fullTaskLeger)
 {
     /// <summary>
@@ -49,6 +53,7 @@ public sealed class MagenticReplannedEvent(ChatMessage fullTaskLeger) : Magentic
 /// Represents an update to the <see cref="MagenticProgressLedger"/> when running a coordination round.
 /// </summary>
 /// <param name="progressLedger"></param>
+[Experimental(DiagnosticConstants.ExperimentalFeatureDiagnostic)]
 public sealed class MagenticProgressLedgerUpdatedEvent(MagenticProgressLedger progressLedger) : MagenticOrchestratorEvent(progressLedger)
 {
     /// <summary>