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Merged
tghamm merged 8 commits into from
Feb 20, 2026
Merged

Release 5.10.0 #193

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6bf725b
mcp-tune-up
tghamm Feb 20, 2026
6690410
adds a costing mechanism
tghamm Feb 20, 2026
2dca08b
support for enhanced web search + web fetch
tghamm Feb 20, 2026
33de44e
addresses serialization bug
tghamm Feb 20, 2026
dc46fb3
adds missing tool use option
tghamm Feb 20, 2026
c9e1aca
Claude Sonnet 37 Deprecation
tghamm Feb 20, 2026
4e7c55d
fix for vertex + message consolidation bug fix
tghamm Feb 20, 2026
7d735b8
5.10.0 + readme updates
tghamm Feb 20, 2026
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8 changes: 4 additions & 4 deletions Anthropic.SDK.Tests/Anthropic.SDK.Tests.csproj
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Expand Up @@ -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" />
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16 changes: 8 additions & 8 deletions Anthropic.SDK.Tests/ChatOptionsExtensionsTests.cs
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Expand Up @@ -231,13 +231,13 @@ public void WithThinking_FluentChaining_Works()
// Arrange & Act
var options = new ChatOptions
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 4096,
Temperature = 1.0f
}.WithThinking(4000);

// Assert
Assert.AreEqual(AnthropicModels.Claude37Sonnet, options.ModelId);
Assert.AreEqual(AnthropicModels.Claude46Sonnet, options.ModelId);
Assert.AreEqual(4096, options.MaxOutputTokens);
Assert.AreEqual(1.0f, options.Temperature);

Expand All @@ -253,13 +253,13 @@ public void WithInterleavedThinking_FluentChaining_Works()
// Arrange & Act
var options = new ChatOptions
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 4096,
Temperature = 1.0f
}.WithInterleavedThinking(8000);

// Assert
Assert.AreEqual(AnthropicModels.Claude37Sonnet, options.ModelId);
Assert.AreEqual(AnthropicModels.Claude46Sonnet, options.ModelId);
Assert.AreEqual(4096, options.MaxOutputTokens);
Assert.AreEqual(1.0f, options.Temperature);

Expand All @@ -280,7 +280,7 @@ public void ChatClientHelper_MapsThinkingParametersCorrectly()
};
var options = new ChatOptions
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 4096,
Temperature = 1.0f
}.WithThinking(3000);
Expand All @@ -293,7 +293,7 @@ public void ChatClientHelper_MapsThinkingParametersCorrectly()
Assert.AreEqual(3000, messageParams.Thinking.BudgetTokens);
Assert.AreEqual(ThinkingType.enabled, messageParams.Thinking.Type);
Assert.IsFalse(messageParams.Thinking.UseInterleavedThinking);
Assert.AreEqual(AnthropicModels.Claude37Sonnet, messageParams.Model);
Assert.AreEqual(AnthropicModels.Claude46Sonnet, messageParams.Model);
Assert.AreEqual(4096, messageParams.MaxTokens);
}

Expand All @@ -308,7 +308,7 @@ public void ChatClientHelper_MapsInterleavedThinkingParametersCorrectly()
};
var options = new ChatOptions
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 4096,
Temperature = 1.0f
}.WithInterleavedThinking(8000);
Expand All @@ -321,7 +321,7 @@ public void ChatClientHelper_MapsInterleavedThinkingParametersCorrectly()
Assert.AreEqual(8000, messageParams.Thinking.BudgetTokens);
Assert.AreEqual(ThinkingType.enabled, messageParams.Thinking.Type);
Assert.IsTrue(messageParams.Thinking.UseInterleavedThinking);
Assert.AreEqual(AnthropicModels.Claude37Sonnet, messageParams.Model);
Assert.AreEqual(AnthropicModels.Claude46Sonnet, messageParams.Model);
Assert.AreEqual(4096, messageParams.MaxTokens);
}

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38 changes: 38 additions & 0 deletions Anthropic.SDK.Tests/CostTest.cs
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@@ -0,0 +1,38 @@
using Anthropic.SDK.Constants;
using Anthropic.SDK.Messaging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Anthropic.SDK.Extensions;

namespace Anthropic.SDK.Tests
{
[TestClass]
public class CostTest
{

[TestMethod]
public async Task TestCostEstimation()
{
var client = new AnthropicClient();
var parameters = new MessageParameters()
{
Messages = new List<Message> { new Message(RoleType.User, "Hello!") },
MaxTokens = 1024,
Model = AnthropicModels.Claude46Sonnet,
};
var response = await client.Messages.GetClaudeMessageAsync(parameters);

// Get total estimated cost
var cost = response.CalculateCost();
Console.WriteLine($"Total cost: ${cost.TotalCostUsd:F6}");
Console.WriteLine($" Input tokens: ${cost.InputTokenCost:F6}");
Console.WriteLine($" Output tokens: ${cost.OutputTokenCost:F6}");
Console.WriteLine($" Cache read: ${cost.CacheReadCost:F6}");
Console.WriteLine($" Cache creation: ${cost.CacheCreationCost:F6}");
Console.WriteLine($" Web search: ${cost.WebSearchCost:F6}");
}
}
}
16 changes: 8 additions & 8 deletions Anthropic.SDK.Tests/MCPTests.cs
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Expand Up @@ -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",
}
}
};
Expand All @@ -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" }
}
}
};
Expand All @@ -55,16 +55,16 @@ public async Task TestMCPExtendedStreaming()
var client = new AnthropicClient();
var parameters = new MessageParameters()
{
Model = AnthropicModels.Claude37Sonnet,
Model = AnthropicModels.Claude46Sonnet,
MaxTokens = 3000,
Temperature = 1,
Stream = true,
MCPServers = new List<MCPServer>()
{
new MCPServer()
{
Url = "https://mcp.deepwiki.com/sse",
Name = "DeepWiki",
Url = "https://learn.microsoft.com/api/mcp",
Name = "MSFT",
}
}
};
Expand All @@ -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" }
}
}
};
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24 changes: 12 additions & 12 deletions Anthropic.SDK.Tests/Messages.ChatClient.cs
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Expand Up @@ -91,7 +91,7 @@ public async Task TestNonStreamingThinkingWithExtensionMethods()

ChatOptions options = new ChatOptions()
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 20000,
Temperature = 1.0f,
}.WithThinking(16000);
Expand Down Expand Up @@ -166,7 +166,7 @@ public async Task TestThinkingStreamingWithExtensionMethods()

ChatOptions options = new ChatOptions()
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 20000,
Temperature = 1.0f,
}.WithThinking(16000);
Expand Down Expand Up @@ -210,7 +210,7 @@ public async Task TestNonStreamingThinkingConversation()

ChatOptions options = new()
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 20000,
Temperature = 1.0f,
RawRepresentationFactory = static _ => new MessageParameters()
Expand Down Expand Up @@ -239,7 +239,7 @@ public async Task TestThinkingStreamingConversation()

ChatOptions options = new()
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 20000,
Temperature = 1.0f,
RawRepresentationFactory = static _ => new MessageParameters()
Expand Down Expand Up @@ -287,7 +287,7 @@ public async Task TestThinkingStreamingRedactedConversation()

ChatOptions options = new()
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 20000,
Temperature = 1.0f,
RawRepresentationFactory = static _ => new MessageParameters()
Expand Down Expand Up @@ -357,7 +357,7 @@ public async Task TestNonStreamingThinkingFunctionCalls()

ChatOptions options = new()
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 20000,
Tools = [AIFunctionFactory.Create((string personName) => personName switch {
"Alice" => "25",
Expand Down Expand Up @@ -411,7 +411,7 @@ public async Task TestNonStreamingWebSearchCalls()

ChatOptions options = new()
{
ModelId = AnthropicModels.Claude4Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 5000,
Tools = [new HostedWebSearchTool()]
};
Expand Down Expand Up @@ -484,7 +484,7 @@ public async Task TestStreamingThinkingFunctionCalls()

ChatOptions options = new()
{
ModelId = AnthropicModels.Claude37Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 20000,
Tools = [AIFunctionFactory.Create((string personName) => personName switch {
"Alice" => "25",
Expand Down Expand Up @@ -551,16 +551,16 @@ public async Task TestNonStreamingMCPMessage()
#pragma warning disable MEAI001 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
ChatOptions options = new()
{
ModelId = AnthropicModels.Claude4Sonnet,
ModelId = AnthropicModels.Claude46Sonnet,
MaxOutputTokens = 512,
Temperature = 1.0f,
Tools = [new HostedMcpServerTool("DeepWiki", "https://mcp.deepwiki.com/sse")]
Tools = [new HostedMcpServerTool("MSFT", "https://learn.microsoft.com/api/mcp")]
};
#pragma warning restore MEAI001 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.

var res = await client.GetResponseAsync("Tell me about the repo tghamm/Anthropic.SDK", options);
var res = await client.GetResponseAsync("Tell me about the Latest Microsoft.Extensions.AI Library", options);

Assert.IsTrue(res.Text.ToLower().Contains("anthropic") is true, res.Text);
Assert.IsTrue(res.Text.ToLower().Contains("microsoft") is true, res.Text);
}
}
}
4 changes: 2 additions & 2 deletions Anthropic.SDK.Tests/Messages.cs
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Expand Up @@ -72,7 +72,7 @@ public async Task TestBasicClaude35HaikuMessage()
{
Messages = messages,
MaxTokens = 512,
Model = AnthropicModels.Claude35Haiku,
Model = AnthropicModels.Claude45Haiku,
Stream = false,
Temperature = 1.0m,
};
Expand All @@ -89,7 +89,7 @@ public async Task TestBasicTokenCountMessage()
var parameters = new MessageCountTokenParameters
{
Messages = messages,
Model = AnthropicModels.Claude35Haiku
Model = AnthropicModels.Claude45Haiku
};
var res = await client.Messages.CountMessageTokensAsync(parameters);
Assert.IsTrue(res.InputTokens > 0);
Expand Down
8 changes: 4 additions & 4 deletions Anthropic.SDK.Tests/SemanticKernelInitializationTests.cs
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Expand Up @@ -39,7 +39,7 @@ IChatClient CreateChatClient(IServiceProvider _)
var skExecutionSettings = new OpenAIPromptExecutionSettings()
{
FunctionChoiceBehavior = FunctionChoiceBehavior.Auto(),
ModelId = AnthropicModels.Claude35Haiku,
ModelId = AnthropicModels.Claude45Haiku,
MaxTokens = 512
};

Expand Down Expand Up @@ -73,7 +73,7 @@ public async Task TestSKPDF()
IChatCompletionService skChatService = new ChatClientBuilder(client.Messages)
.ConfigureOptions(opt =>
{
opt.ModelId = AnthropicModels.Claude37Sonnet;
opt.ModelId = AnthropicModels.Claude46Sonnet;
opt.MaxOutputTokens = 1024;
})
.UseFunctionInvocation()
Expand Down Expand Up @@ -116,7 +116,7 @@ public async Task TestSKLuckyNumber()
OpenAIPromptExecutionSettings promptExecutionSettings = new()
{
FunctionChoiceBehavior = FunctionChoiceBehavior.Auto(),
ModelId = AnthropicModels.Claude35Haiku,
ModelId = AnthropicModels.Claude45Haiku,
MaxTokens = 512
};
// Get the response from the AI
Expand Down Expand Up @@ -147,7 +147,7 @@ public async Task TestSKLuckyNumberStreaming()
OpenAIPromptExecutionSettings promptExecutionSettings = new()
{
FunctionChoiceBehavior = FunctionChoiceBehavior.Auto(),
ModelId = AnthropicModels.Claude35Haiku,
ModelId = AnthropicModels.Claude45Haiku,
MaxTokens = 512
};
// Get the response from the AI
Expand Down
12 changes: 6 additions & 6 deletions Anthropic.SDK.Tests/ThinkingModeTests.cs
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Expand Up @@ -27,7 +27,7 @@ public async Task TestBasicClaude37ThinkingMessage()
{
Messages = messages,
MaxTokens = 20000,
Model = AnthropicModels.Claude37Sonnet,
Model = AnthropicModels.Claude46Sonnet,
Stream = false,
Temperature = 1.0m,
Thinking = new ThinkingParameters()
Expand Down Expand Up @@ -81,7 +81,7 @@ public async Task TestRedactedClaude37ThinkingMessage()
{
Messages = messages,
MaxTokens = 20000,
Model = AnthropicModels.Claude37Sonnet,
Model = AnthropicModels.Claude46Sonnet,
Stream = false,
Temperature = 1.0m,
Thinking = new ThinkingParameters()
Expand All @@ -105,7 +105,7 @@ public async Task TestClaude37ThinkingConversation()
{
Messages = messages,
MaxTokens = 20000,
Model = AnthropicModels.Claude37Sonnet,
Model = AnthropicModels.Claude46Sonnet,
Stream = false,
Temperature = 1.0m,
Thinking = new ThinkingParameters()
Expand Down Expand Up @@ -138,7 +138,7 @@ public async Task TestStreamingClaude37SonnetThinkingConversation()
{
Messages = messages,
MaxTokens = 20000,
Model = AnthropicModels.Claude37Sonnet,
Model = AnthropicModels.Claude46Sonnet,
Stream = true,
Temperature = 1.0m,
Thinking = new ThinkingParameters()
Expand Down Expand Up @@ -184,7 +184,7 @@ public async Task TestStreamingRedactedClaude37SonnetThinkingConversation()
{
Messages = messages,
MaxTokens = 20000,
Model = AnthropicModels.Claude37Sonnet,
Model = AnthropicModels.Claude46Sonnet,
Stream = true,
Temperature = 1.0m,
Thinking = new ThinkingParameters()
Expand Down Expand Up @@ -303,7 +303,7 @@ public async Task TestBasicClaude37ImageStreamingSchemaMessage()
{
Messages = messages,
MaxTokens = 20000,
Model = AnthropicModels.Claude37Sonnet,
Model = AnthropicModels.Claude46Sonnet,
Stream = true,
Temperature = 1.0m,
Tools = tools.ToList(),
Expand Down
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