From f9f630829affc38f65db38a0382ac8555ee97ca6 Mon Sep 17 00:00:00 2001
From: SergeyMenshykh <68852919+SergeyMenshykh@users.noreply.github.com>
Date: Wed, 18 Feb 2026 13:53:44 +0000
Subject: [PATCH] Fix MCP samples: update MCP SDK to 0.8.0-preview.1 and fix
 README references (#3959)

- Update ModelContextProtocol NuGet package from 0.4.0-preview.3 to 0.8.0-preview.1
- Update System.Net.ServerSentEvents from 10.0.1 to 10.0.3
- Fix OAuth config to use DynamicClientRegistration in Agent_MCP_Server_Auth
- Fix incorrect sample name references in README files

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 dotnet/Directory.Packages.props                              | 4 ++--
 .../ModelContextProtocol/Agent_MCP_Server/README.md          | 2 +-
 .../ModelContextProtocol/Agent_MCP_Server_Auth/Program.cs    | 5 ++++-
 .../ModelContextProtocol/Agent_MCP_Server_Auth/README.md     | 2 +-
 4 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/dotnet/Directory.Packages.props b/dotnet/Directory.Packages.props
index 72a563068d..5c9f2e06d9 100644
--- a/dotnet/Directory.Packages.props
+++ b/dotnet/Directory.Packages.props
@@ -42,7 +42,7 @@
     <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="10.0.3" />
     <PackageVersion Include="System.Linq.AsyncEnumerable" Version="10.0.0" />
     <PackageVersion Include="System.Net.Http.Json" Version="10.0.0" />
-    <PackageVersion Include="System.Net.ServerSentEvents" Version="10.0.1" />
+    <PackageVersion Include="System.Net.ServerSentEvents" Version="10.0.3" />
     <PackageVersion Include="System.Text.Json" Version="10.0.3" />
     <PackageVersion Include="System.Threading.Channels" Version="10.0.3" />
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
@@ -102,7 +102,7 @@
     <PackageVersion Include="A2A" Version="0.3.3-preview" />
     <PackageVersion Include="A2A.AspNetCore" Version="0.3.3-preview" />
     <!-- MCP -->
-    <PackageVersion Include="ModelContextProtocol" Version="0.4.0-preview.3" />
+    <PackageVersion Include="ModelContextProtocol" Version="0.8.0-preview.1" />
     <!-- Inference SDKs -->
     <PackageVersion Include="AWSSDK.Extensions.Bedrock.MEAI" Version="4.0.5.1" />
     <PackageVersion Include="Microsoft.ML.OnnxRuntimeGenAI" Version="0.10.0" />
diff --git a/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server/README.md b/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server/README.md
index f0996dc1fd..426bb67a97 100644
--- a/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server/README.md
+++ b/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server/README.md
@@ -24,7 +24,7 @@ $env:AZURE_OPENAI_DEPLOYMENT_NAME="gpt-4o-mini"  # Optional, defaults to gpt-4o-
 
 ## Setup and Running
 
-Run the ModelContextProtocolPluginAuth sample
+Run the Agent_MCP_Server sample
 
 ```bash
 dotnet run
diff --git a/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server_Auth/Program.cs b/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server_Auth/Program.cs
index 564ede4477..d741d60701 100644
--- a/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server_Auth/Program.cs
+++ b/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server_Auth/Program.cs
@@ -34,7 +34,10 @@ var transport = new HttpClientTransport(new()
     Name = "Secure Weather Client",
     OAuth = new()
     {
-        ClientId = "ProtectedMcpClient",
+        DynamicClientRegistration = new()
+        {
+            ClientName = "ProtectedMcpClient",
+        },
         RedirectUri = new Uri("http://localhost:1179/callback"),
         AuthorizationRedirectDelegate = HandleAuthorizationUrlAsync,
     }
diff --git a/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server_Auth/README.md b/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server_Auth/README.md
index a6505d6524..7c646ec915 100644
--- a/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server_Auth/README.md
+++ b/dotnet/samples/GettingStarted/ModelContextProtocol/Agent_MCP_Server_Auth/README.md
@@ -54,7 +54,7 @@ dotnet run
 
 The protected server will start at `http://localhost:7071`
 
-### Step 3: Run the ModelContextProtocolPluginAuth sample
+### Step 3: Run the Agent_MCP_Server_Auth sample
 
 Finally, run this client: