dotnet · dotnet-policy-service · May 28, 2025 · May 28, 2025 · May 28, 2025 · May 28, 2025
diff --git a/.github/policies/disallow-edits.yml b/.github/policies/disallow-edits.yml
@@ -60,30 +60,3 @@ configuration:
                       permission: Read
             then:
               - closePullRequest
-
-      - description: (This is only a test policy that will be deleted.) Disallow sign-off for articles in the /docs/csharp folder.
-        if:
-          - or:
-            - payloadType: Issue_Comment
-            - payloadType: Pull_Request_Review_Comment
-          - isAction:
-              action: Created
-          - isActivitySender:
-              issueAuthor: True
-          - commentContains:
-              pattern: '#sign-off'
-              isRegex: False
-          - isAssignedToUser:
-              user: BillWagner
-          - not:
-              isActivitySender:
-                user: BillWagner
-        then:
-          # Add the do-not-merge label, remove the ready-to-merge label, and add a reply asking the PR author not to sign off on the PR.
-          - addReply:
-              reply: >-
-                @${issueAuthor} - Please do NOT sign off on this pull request!!
-          - addLabel:
-              label: do-not-merge
-          - removeLabel:
-              label: ready-to-merge
diff --git a/docs/ai/microsoft-extensions-ai.md b/docs/ai/microsoft-extensions-ai.md
@@ -90,14 +90,14 @@ Some models and services support _tool calling_. To gather additional informatio
 - <xref:Microsoft.Extensions.AI.AIFunctionFactory>: Provides factory methods for creating `AIFunction` instances that represent .NET methods.
 - <xref:Microsoft.Extensions.AI.FunctionInvokingChatClient>: Wraps an `IChatClient` as another `IChatClient` that adds automatic function-invocation capabilities.
 
-The following example demonstrates a random function invocation (this example depends on the [📦 Microsoft.Extensions.AI.Ollama](https://www.nuget.org/packages/Microsoft.Extensions.AI.Ollama) NuGet package):
+The following example demonstrates a random function invocation (this example depends on the [📦 OllamaSharp](https://www.nuget.org/packages/OllamaSharp) NuGet package):
 
 :::code language="csharp" source="snippets/microsoft-extensions-ai/ConsoleAI.ToolCalling/Program.cs":::
 
 The preceding code:
 
 - Defines a function named `GetCurrentWeather` that returns a random weather forecast.
-- Instantiates a <xref:Microsoft.Extensions.AI.ChatClientBuilder> with an <xref:Microsoft.Extensions.AI.OllamaChatClient> and configures it to use function invocation.
+- Instantiates a <xref:Microsoft.Extensions.AI.ChatClientBuilder> with an `OllamaSharp.OllamaApiClient` and configures it to use function invocation.
 - Calls `GetStreamingResponseAsync` on the client, passing a prompt and a list of tools that includes a function created with <xref:Microsoft.Extensions.AI.AIFunctionFactory.Create*>.
 - Iterates over the response, printing each update to the console.
 
@@ -213,10 +213,7 @@ The preceding code:
 - Has a primary constructor that accepts an endpoint and model ID, which are used to identify the generator.
 - Implements the `GenerateAsync` method to generate embeddings for a collection of input values.
 
-The sample implementation just generates random embedding vectors. You can find actual concrete implementations in the following packages:
-
-- [📦 Microsoft.Extensions.AI.OpenAI](https://www.nuget.org/packages/Microsoft.Extensions.AI.OpenAI)
-- [📦 Microsoft.Extensions.AI.Ollama](https://www.nuget.org/packages/Microsoft.Extensions.AI.Ollama)
+The sample implementation just generates random embedding vectors. You can find a concrete implementation in the [📦 Microsoft.Extensions.AI.OpenAI](https://www.nuget.org/packages/Microsoft.Extensions.AI.OpenAI) package.
 
 #### Create embeddings
 

diff --git a/docs/ai/quickstarts/chat-local-model.md b/docs/ai/quickstarts/chat-local-model.md
@@ -62,10 +62,10 @@ Complete the following steps to create a .NET console app that connects to your
     dotnet new console -o LocalAI
     ```
 
-1. Add the [Microsoft.Extensions.AI.Ollama](https://www.nuget.org/packages/Microsoft.Extensions.AI.Ollama/) package to your app:
+1. Add the [OllamaSharp](https://www.nuget.org/packages/OllamaSharp) package to your app:
 
     ```dotnetcli
-    dotnet add package Microsoft.Extensions.AI.Ollama --prerelease
+    dotnet add package OllamaSharp
     ```
 
 1. Open the new app in your editor of choice, such as Visual Studio Code.

diff --git a/docs/ai/quickstarts/snippets/local-ai/Program.cs b/docs/ai/quickstarts/snippets/local-ai/Program.cs
@@ -1,7 +1,8 @@
 using Microsoft.Extensions.AI;
+using OllamaSharp;
 
 IChatClient chatClient =
-    new OllamaChatClient(new Uri("http://localhost:11434/"), "phi3:mini");
+    new OllamaApiClient(new Uri("http://localhost:11434/"), "phi3:mini");
 
 // Start the conversation with context for the AI model
 List<ChatMessage> chatHistory = new();

diff --git a/docs/ai/quickstarts/snippets/local-ai/ollama.csproj b/docs/ai/quickstarts/snippets/local-ai/ollama.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
+    <PackageReference Include="OllamaSharp" Version="5.1.19" />
   </ItemGroup>
 
 </Project>
diff --git a/...snippets/microsoft-extensions-ai/ConsoleAI.CacheResponses/ConsoleAI.CacheResponses.csproj b/...snippets/microsoft-extensions-ai/ConsoleAI.CacheResponses/ConsoleAI.CacheResponses.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
+    <PackageReference Include="OllamaSharp" Version="5.1.19" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="10.0.0-preview.3.25171.5" />
   </ItemGroup>
 

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.CacheResponses/Program.cs b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.CacheResponses/Program.cs
@@ -2,8 +2,9 @@
 using Microsoft.Extensions.Caching.Distributed;
 using Microsoft.Extensions.Caching.Memory;
 using Microsoft.Extensions.Options;
+using OllamaSharp;
 
-var sampleChatClient = new OllamaChatClient(new Uri("http://localhost:11434"), "llama3.1");
+var sampleChatClient = new OllamaApiClient(new Uri("http://localhost:11434"), "llama3.1");
 
 IChatClient client = new ChatClientBuilder(sampleChatClient)
     .UseDistributedCache(new MemoryDistributedCache(

diff --git a/...-extensions-ai/ConsoleAI.ConsumeClientMiddleware/ConsoleAI.ConsumeClientMiddleware.csproj b/...-extensions-ai/ConsoleAI.ConsumeClientMiddleware/ConsoleAI.ConsumeClientMiddleware.csproj
@@ -8,7 +8,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.0-preview.3.25171.5" />
     <ProjectReference Include="..\AI.Shared\AI.Shared.csproj" />
   </ItemGroup>

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.CreateEmbeddings/Program.cs b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.CreateEmbeddings/Program.cs
@@ -13,5 +13,5 @@ await generator.GenerateAsync(["What is AI?", "What is .NET?"]))
 // </Snippet1>
 
 // <Snippet2>
-ReadOnlyMemory<float> vector = await generator.GenerateEmbeddingVectorAsync("What is AI?");
+ReadOnlyMemory<float> vector = await generator.GenerateVectorAsync("What is AI?");
 // </Snippet2>
diff --git a/.../microsoft-extensions-ai/ConsoleAI.CustomClientMiddle/ConsoleAI.CustomClientMiddle.csproj b/.../microsoft-extensions-ai/ConsoleAI.CustomClientMiddle/ConsoleAI.CustomClientMiddle.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
+    <PackageReference Include="OllamaSharp" Version="5.1.19" />
     <PackageReference Include="System.Threading.RateLimiting" Version="10.0.0-preview.4.25258.110" />
   </ItemGroup>
 

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.CustomClientMiddle/Program.cs b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.CustomClientMiddle/Program.cs
@@ -1,8 +1,9 @@
 using Microsoft.Extensions.AI;
+using OllamaSharp;
 using System.Threading.RateLimiting;
 
 var client = new RateLimitingChatClient(
-    new OllamaChatClient(new Uri("http://localhost:11434"), "llama3.1"),
+    new OllamaApiClient(new Uri("http://localhost:11434"), "llama3.1"),
     new ConcurrencyLimiter(new() { PermitLimit = 1, QueueLimit = int.MaxValue }));
 
 Console.WriteLine(await client.GetResponseAsync("What color is the sky?"));
diff --git a/...icrosoft-extensions-ai/ConsoleAI.DependencyInjection/ConsoleAI.DependencyInjection.csproj b/...icrosoft-extensions-ai/ConsoleAI.DependencyInjection/ConsoleAI.DependencyInjection.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
+    <PackageReference Include="OllamaSharp" Version="5.1.19" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.0-preview.4.25258.110" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="10.0.0-preview.4.25258.110" />
     <ProjectReference Include="..\AI.Shared\AI.Shared.csproj" />

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.DependencyInjection/Program.cs b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.DependencyInjection/Program.cs
@@ -1,11 +1,12 @@
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using OllamaSharp;
 
 // App setup.
 var builder = Host.CreateApplicationBuilder();
 builder.Services.AddDistributedMemoryCache();
-builder.Services.AddChatClient(new OllamaChatClient(new Uri("http://localhost:11434"), "llama3.1"))
+builder.Services.AddChatClient(new OllamaApiClient(new Uri("http://localhost:11434"), "llama3.1"))
     .UseDistributedCache();
 var host = builder.Build();
 

diff --git a/...ft-extensions-ai/ConsoleAI.FunctionalityPipelines/ConsoleAI.FunctionalityPipelines.csproj b/...ft-extensions-ai/ConsoleAI.FunctionalityPipelines/ConsoleAI.FunctionalityPipelines.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="10.0.0-preview.3.25171.5" />
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
+    <PackageReference Include="OllamaSharp" Version="5.1.19" />
     <PackageReference Include="OpenTelemetry.Exporter.Console" Version="1.12.0" />
   </ItemGroup>
 

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.FunctionalityPipelines/Program.cs b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.FunctionalityPipelines/Program.cs
@@ -2,6 +2,7 @@
 using Microsoft.Extensions.Caching.Distributed;
 using Microsoft.Extensions.Caching.Memory;
 using Microsoft.Extensions.Options;
+using OllamaSharp;
 using OpenTelemetry.Trace;
 
 // Configure OpenTelemetry exporter.
@@ -13,7 +14,7 @@
 
 // <Snippet1>
 // Explore changing the order of the intermediate "Use" calls.
-IChatClient client = new ChatClientBuilder(new OllamaChatClient(new Uri("http://localhost:11434"), "llama3.1"))
+IChatClient client = new ChatClientBuilder(new OllamaApiClient(new Uri("http://localhost:11434"), "llama3.1"))
     .UseDistributedCache(new MemoryDistributedCache(Options.Create(new MemoryDistributedCacheOptions())))
     .UseFunctionInvocation()
     .UseOpenTelemetry(sourceName: sourceName, configure: c => c.EnableSensitiveData = true)

diff --git a/...snippets/microsoft-extensions-ai/ConsoleAI.ProvideOptions/ConsoleAI.ProvideOptions.csproj b/...snippets/microsoft-extensions-ai/ConsoleAI.ProvideOptions/ConsoleAI.ProvideOptions.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
+    <PackageReference Include="OllamaSharp" Version="5.1.19" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.ProvideOptions/Program.cs b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.ProvideOptions/Program.cs
@@ -1,7 +1,9 @@
 using Microsoft.Extensions.AI;
+using OllamaSharp;
 
-IChatClient client = new OllamaChatClient(new Uri("http://localhost:11434"))
-    .AsBuilder()
+IChatClient client = new OllamaApiClient(new Uri("http://localhost:11434"));
+
+client = ChatClientBuilderChatClientExtensions.AsBuilder(client)
     .ConfigureOptions(options => options.ModelId ??= "phi3")
     .Build();
 

diff --git a/...ts/microsoft-extensions-ai/ConsoleAI.StatelessStateful/ConsoleAI.StatelessStateful.csproj b/...ts/microsoft-extensions-ai/ConsoleAI.StatelessStateful/ConsoleAI.StatelessStateful.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
+    <PackageReference Include="Microsoft.Extensions.AI.Abstractions" Version="9.5.0" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.ToolCalling/ConsoleAI.ToolCalling.csproj b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.ToolCalling/ConsoleAI.ToolCalling.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
+    <PackageReference Include="OllamaSharp" Version="5.1.19" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.ToolCalling/Program.cs b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.ToolCalling/Program.cs
@@ -1,9 +1,12 @@
 using Microsoft.Extensions.AI;
+using OllamaSharp;
 
 string GetCurrentWeather() => Random.Shared.NextDouble() > 0.5 ? "It's sunny" : "It's raining";
 
-IChatClient client = new OllamaChatClient(new Uri("http://localhost:11434"), "llama3.1")
-    .AsBuilder()
+IChatClient client = new OllamaApiClient(new Uri("http://localhost:11434"), "llama3.1");
+
+client = ChatClientBuilderChatClientExtensions
+    .AsBuilder(client)
     .UseFunctionInvocation()
     .Build();
 

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.UseExample/ConsoleAI.UseExample.csproj b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.UseExample/ConsoleAI.UseExample.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI.Ollama" Version="9.5.0-preview.1.25265.7" />
+    <PackageReference Include="OllamaSharp" Version="5.1.19" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.UseExample/Program.cs b/docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.UseExample/Program.cs
@@ -1,4 +1,5 @@
 using Microsoft.Extensions.AI;
+using OllamaSharp;
 using System.Threading.RateLimiting;
 
 RateLimiter rateLimiter = new ConcurrencyLimiter(new()
@@ -7,8 +8,10 @@
     QueueLimit = int.MaxValue
 });
 
-IChatClient client = new OllamaChatClient(new Uri("http://localhost:11434"), "llama3.1")
-    .AsBuilder()
+IChatClient client = new OllamaApiClient(new Uri("http://localhost:11434"), "llama3.1");
+
+client = ChatClientBuilderChatClientExtensions
+    .AsBuilder(client)
     .UseDistributedCache()
     .Use(async (messages, options, nextAsync, cancellationToken) =>
     {

diff --git a/docs/ai/tutorials/snippets/evaluate-safety/EvaluateResponseSafety.csproj b/docs/ai/tutorials/snippets/evaluate-safety/EvaluateResponseSafety.csproj
@@ -19,7 +19,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.5" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="9.0.5" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.0" />
-    <PackageReference Include="MSTest" Version="3.8.0" />
+    <PackageReference Include="MSTest" Version="3.9.1" />
   </ItemGroup>
 
   <ItemGroup>