test

dotnet/samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step01_Running/Agent_Anthropic_Step01_Running.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\..\src\Microsoft.Agents.AI.Anthropic\Microsoft.Agents.AI.Anthropic.csproj" />
+  </ItemGroup>
+
+</Project>

dotnet/samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step01_Running/Program.cs

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+// Copyright (c) Microsoft. All rights reserved.
+
+// This sample shows how to create and use a simple AI agent with Anthropic as the backend.
+
+using Anthropic;
+using Anthropic.Core;
+using Microsoft.Agents.AI;
+using Microsoft.Extensions.AI;
+
+var apiKey = Environment.GetEnvironmentVariable("ANTHROPIC_API_KEY") ?? throw new InvalidOperationException("ANTHROPIC_API_KEY is not set.");
+var model = Environment.GetEnvironmentVariable("ANTHROPIC_MODEL") ?? "claude-haiku-4-5";
+
+AIAgent agent = new AnthropicClient(new ClientOptions { APIKey = apiKey })
+    .AsAIAgent(model: model, instructions: "You are good at telling jokes.", name: "Joker");
+
+// Invoke the agent and output the text result.
+var response = await agent.RunAsync("Tell me a joke about a pirate.");
+Console.WriteLine(response);
+
+// Invoke the agent with streaming support.
+await foreach (var update in agent.RunStreamingAsync("Tell me a joke about a pirate."))
+{
+    Console.WriteLine(update);
+}

dotnet/samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step01_Running/README.md

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+# Running a simple agent with Anthropic
+
+This sample demonstrates how to create and run a basic agent with Anthropic Claude models.
+
+## What this sample demonstrates
+
+- Creating an AI agent with Anthropic Claude
+- Running a simple agent with instructions
+- Managing agent lifecycle
+
+## Prerequisites
+
+Before you begin, ensure you have the following prerequisites:
+
+- .NET 8.0 SDK or later
+- Anthropic API key configured
+
+**Note**: This sample uses Anthropic Claude models. For more information, see [Anthropic documentation](https://docs.anthropic.com/).
+
+Set the following environment variables:
+
+```powershell
+$env:ANTHROPIC_API_KEY="your-anthropic-api-key"  # Replace with your Anthropic API key
+$env:ANTHROPIC_MODEL="your-anthropic-model"  # Replace with your Anthropic model
+```
+
+## Run the sample
+
+Navigate to the AgentWithAnthropic sample directory and run:
+
+```powershell
+cd dotnet\samples\GettingStarted\AgentWithAnthropic
+dotnet run --project .\Agent_Anthropic_Step01_Running
+```
+
+## Expected behavior
+
+The sample will:
+
+1. Create an agent with Anthropic Claude
+2. Run the agent with a simple prompt
+3. Display the agent's response
+