diff --git a/dotnet/src/Microsoft.Agents.AI.A2A/A2AHostAgent.cs b/dotnet/src/Microsoft.Agents.AI.A2A/A2AHostAgent.cs
index 446d0f65e0..725c80b871 100644
--- a/dotnet/src/Microsoft.Agents.AI.A2A/A2AHostAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.A2A/A2AHostAgent.cs
@@ -14,16 +14,19 @@ namespace Microsoft.Agents.AI.A2A;
 /// <remarks>
 /// This implementation only handles:
 /// <list type="bullet">
-/// <item><code>TaskManager.OnMessageReceived</code></item>
-/// <item><code>TaskManager.OnAgentCardQuery</code></item>
+/// <item><description>TaskManager.OnMessageReceived</description></item>
+/// <item><description>TaskManager.OnAgentCardQuery</description></item>
 /// </list>
 /// Support for task management will be added later as part of the long-running task execution work.
 /// </remarks>
 public sealed class A2AHostAgent
 {
     /// <summary>
-    /// Initializes a new instance of the SemanticKernelTravelAgent
+    /// Initializes a new instance of the <see cref="A2AHostAgent"/> class.
     /// </summary>
+    /// <param name="agent">The <see cref="AIAgent"/> to host.</param>
+    /// <param name="agentCard">The <see cref="AgentCard"/> for the hosted agent.</param>
+    /// <param name="taskManager">The <see cref="ITaskManager"/> for handling agent tasks.</param>
     public A2AHostAgent(AIAgent agent, AgentCard agentCard, TaskManager? taskManager = null)
     {
         Throw.IfNull(agent);
@@ -36,19 +39,19 @@ public sealed class A2AHostAgent
     }
 
     /// <summary>
-    /// The associated <see cref="AIAgent"/>
+    /// Gets the associated <see cref="AIAgent"/>.
     /// </summary>
     public AIAgent? Agent { get; }
 
     /// <summary>
-    /// The associated <see cref="ITaskManager"/>
+    /// Gets the associated <see cref="ITaskManager"/> for handling agent tasks.
     /// </summary>
     public TaskManager? TaskManager { get; private set; }
 
     /// <summary>
-    /// Attach the <see cref="A2AAgent"/> to the provided <see cref="ITaskManager"/>
+    /// Attaches the <see cref="A2AAgent"/> to the provided <see cref="ITaskManager"/>.
     /// </summary>
-    /// <param name="taskManager"></param>
+    /// <param name="taskManager">The <see cref="ITaskManager"/> to attach to.</param>
     public void Attach(TaskManager taskManager)
     {
         Throw.IfNull(taskManager);
@@ -59,9 +62,9 @@ public sealed class A2AHostAgent
     }
 
     /// <summary>
-    /// Handle a received message
+    /// Handles a received message.
     /// </summary>
-    /// <param name="messageSend">The <see cref="MessageSendParams"/> to handle</param>
+    /// <param name="messageSend">The <see cref="MessageSendParams"/> to handle.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     public async Task<Message> OnMessageReceivedAsync(MessageSendParams messageSend, CancellationToken cancellationToken = default)
     {
@@ -89,9 +92,9 @@ public sealed class A2AHostAgent
     }
 
     /// <summary>
-    /// Return the <see cref="AgentCard"/> associated with this hosted agent.
+    /// Gets the <see cref="AgentCard"/> associated with this hosted agent.
     /// </summary>
-    /// <param name="agentUrl">Current URL for the agent</param>
+    /// <param name="agentUrl">Current URL for the agent.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     public Task<AgentCard> GetAgentCardAsync(string agentUrl, CancellationToken cancellationToken = default)
     {
diff --git a/dotnet/src/Microsoft.Agents.AI.A2A/Extensions/A2ACardResolverExtensions.cs b/dotnet/src/Microsoft.Agents.AI.A2A/Extensions/A2ACardResolverExtensions.cs
index 9dbfcb277c..d9fe2a9a1c 100644
--- a/dotnet/src/Microsoft.Agents.AI.A2A/Extensions/A2ACardResolverExtensions.cs
+++ b/dotnet/src/Microsoft.Agents.AI.A2A/Extensions/A2ACardResolverExtensions.cs
@@ -29,10 +29,10 @@ public static class A2ACardResolverExtensions
     /// Retrieves an instance of <see cref="AIAgent"/> for an existing A2A agent.
     /// </summary>
     /// <remarks>
-    /// This method can be used to create AI agents for A2A agents whose hosts support one of the A2A discovery mechanisms:
+    /// Creates an AI agent for an A2A agent whose host supports one of the A2A discovery mechanisms:
     /// <list type="bullet">
-    /// <item><see href="https://github.com/a2aproject/A2A/blob/main/docs/topics/agent-discovery.md#1-well-known-uri">Well-Known URI</see></item>
-    /// <item><see href="https://github.com/a2aproject/A2A/blob/main/docs/topics/agent-discovery.md#2-curated-registries-catalog-based-discovery">Curated Registries (Catalog-Based Discovery)</see></item>
+    /// <item><description><see href="https://github.com/a2aproject/A2A/blob/main/docs/topics/agent-discovery.md#1-well-known-uri">Well-Known URI</see></description></item>
+    /// <item><description><see href="https://github.com/a2aproject/A2A/blob/main/docs/topics/agent-discovery.md#2-curated-registries-catalog-based-discovery">Curated Registries (Catalog-Based Discovery)</see></description></item>
     /// </list>
     /// </remarks>
     /// <param name="resolver">The <see cref="A2ACardResolver" /> to use for the agent creation.</param>
diff --git a/dotnet/src/Microsoft.Agents.AI.Abstractions/AgentAbstractionsJsonUtilities.cs b/dotnet/src/Microsoft.Agents.AI.Abstractions/AgentAbstractionsJsonUtilities.cs
index d1d35c21bb..8943e29c79 100644
--- a/dotnet/src/Microsoft.Agents.AI.Abstractions/AgentAbstractionsJsonUtilities.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Abstractions/AgentAbstractionsJsonUtilities.cs
@@ -24,13 +24,13 @@ public static partial class AgentAbstractionsJsonUtilities
     /// <para>
     /// It additionally turns on the following settings:
     /// <list type="number">
-    /// <item>Enables <see cref="JsonSerializerDefaults.Web"/> defaults.</item>
-    /// <item>Enables <see cref="JsonIgnoreCondition.WhenWritingNull"/> as the default ignore condition for properties.</item>
-    /// <item>Enables <see cref="JsonNumberHandling.AllowReadingFromString"/> as the default number handling for number types.</item>
-    /// <item>
+    /// <item><description>Enables <see cref="JsonSerializerDefaults.Web"/> defaults.</description></item>
+    /// <item><description>Enables <see cref="JsonIgnoreCondition.WhenWritingNull"/> as the default ignore condition for properties.</description></item>
+    /// <item><description>Enables <see cref="JsonNumberHandling.AllowReadingFromString"/> as the default number handling for number types.</description></item>
+    /// <item><description>
     /// Enables <see cref="JavaScriptEncoder.UnsafeRelaxedJsonEscaping"/> when escaping JSON strings.
     /// Consuming applications must ensure that JSON outputs are adequately escaped before embedding in other document formats, such as HTML and XML.
-    /// </item>
+    /// </description></item>
     /// </list>
     /// </para>
     /// </remarks>
diff --git a/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentThread.cs b/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentThread.cs
index 3152c28ea0..676e20dc53 100644
--- a/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentThread.cs
+++ b/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentThread.cs
@@ -80,8 +80,8 @@ public class ChatClientAgentThread : AgentThread
     /// <para>
     /// This property may be null in the following cases:
     /// <list type="bullet">
-    /// <item>The thread stores messages via the <see cref="ChatMessageStore"/> and not in the agent service.</item>
-    /// <item>This thread object is new and a server managed thread has not yet been created in the agent service.</item>
+    /// <item><description>The thread stores messages via the <see cref="ChatMessageStore"/> and not in the agent service.</description></item>
+    /// <item><description>This thread object is new and a server managed thread has not yet been created in the agent service.</description></item>
     /// </list>
     /// </para>
     /// <para>
@@ -124,8 +124,8 @@ public class ChatClientAgentThread : AgentThread
     /// <para>
     /// This property may be null in the following cases:
     /// <list type="bullet">
-    /// <item>The thread stores messages in the agent service and just has an id to the remove thread, instead of in an <see cref="ChatMessageStore"/>.</item>
-    /// <item>This thread object is new it is not yet clear whether it will be backed by a server managed thread or an <see cref="ChatMessageStore"/>.</item>
+    /// <item><description>The thread stores messages in the agent service and just has an id to the remove thread, instead of in an <see cref="ChatMessageStore"/>.</description></item>
+    /// <item><description>This thread object is new it is not yet clear whether it will be backed by a server managed thread or an <see cref="ChatMessageStore"/>.</description></item>
     /// </list>
     /// </para>
     /// </remarks>