diff --git a/Anthropic.SDK.Tests/Anthropic.SDK.Tests.csproj b/Anthropic.SDK.Tests/Anthropic.SDK.Tests.csproj
index 3920640..b05f7e9 100644
--- a/Anthropic.SDK.Tests/Anthropic.SDK.Tests.csproj
+++ b/Anthropic.SDK.Tests/Anthropic.SDK.Tests.csproj
@@ -34,12 +34,12 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Cloud.AIPlatform.V1" Version="3.65.0" />
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="11.0.0-preview.1.26104.118" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.3" />
     <PackageReference Include="Microsoft.Extensions.AI" Version="10.3.0" />
     <PackageReference Include="ModelContextProtocol" Version="0.8.0-preview.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="11.0.0-preview.1.26104.118" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="11.0.0-preview.1.26104.118" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="11.0.0-preview.1.26104.118" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.3" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="10.0.3" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="10.0.3" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="Microsoft.SemanticKernel" Version="1.71.0" />
     <PackageReference Include="Microsoft.SemanticKernel.Abstractions" Version="1.71.0" />
diff --git a/Anthropic.SDK.Tests/MCPTests.cs b/Anthropic.SDK.Tests/MCPTests.cs
index 4236e06..e693d64 100644
--- a/Anthropic.SDK.Tests/MCPTests.cs
+++ b/Anthropic.SDK.Tests/MCPTests.cs
@@ -18,15 +18,15 @@ public async Task TestMCP()
             var client = new AnthropicClient();
             var parameters = new MessageParameters()
             {
-                Model = AnthropicModels.Claude37Sonnet,
+                Model = AnthropicModels.Claude46Sonnet,
                 MaxTokens = 5000,
                 Temperature = 1,
                 MCPServers = new List<MCPServer>()
                 {
                     new MCPServer()
                     {
-                        Url = "https://mcp.deepwiki.com/sse",
-                        Name = "DeepWiki",
+                        Url = "https://learn.microsoft.com/api/mcp",
+                        Name = "MSFT",
                     }
                 }
             };
@@ -37,7 +37,7 @@ public async Task TestMCP()
                     Role = RoleType.User,
                     Content = new List<ContentBase>
                     {
-                        new TextContent { Text = "Tell me about the repo tghamm/Anthropic.SDK" }
+                        new TextContent { Text = "Tell me about the Latest Microsoft.Extensions.AI Library" }
                     }
                 }
             };
@@ -55,7 +55,7 @@ public async Task TestMCPExtendedStreaming()
             var client = new AnthropicClient();
             var parameters = new MessageParameters()
             {
-                Model = AnthropicModels.Claude37Sonnet,
+                Model = AnthropicModels.Claude46Sonnet,
                 MaxTokens = 3000,
                 Temperature = 1,
                 Stream = true,
@@ -63,8 +63,8 @@ public async Task TestMCPExtendedStreaming()
                 {
                     new MCPServer()
                     {
-                        Url = "https://mcp.deepwiki.com/sse",
-                        Name = "DeepWiki",
+                        Url = "https://learn.microsoft.com/api/mcp",
+                        Name = "MSFT",
                     }
                 }
             };
@@ -75,7 +75,7 @@ public async Task TestMCPExtendedStreaming()
                     Role = RoleType.User,
                     Content = new List<ContentBase>
                     {
-                        new TextContent { Text = "Tell me about the repo tghamm/Anthropic.SDK" }
+                        new TextContent { Text = "Tell me about the latest Microsoft.Extensions.AI Library" }
                     }
                 }
             };