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FieldCure.AssistStudio.Anthropic 0.2.0-preview.4

FieldCure.AssistStudio.Anthropic

Platform-agnostic Anthropic SDK adapter for the AssistStudio ecosystem. Maps Anthropic streaming events to StreamEvent and converts ChatMessage to SDK MessageParam.

👁 License: MIT

Features

• AnthropicStreamEventMapper — Stateful, per-stream mapper that converts RawMessageStreamEvent to IAsyncEnumerable<StreamEvent>. Handles text deltas, thinking deltas, usage, truncation, and unknown block types gracefully.
• AnthropicMessageConverter — Converts ChatMessage lists to Anthropic MessageParam format. Extracts system prompts, handles image/text attachments, and groups messages by role.
• Platform-agnostic — Targets net8.0 and net9.0. No WinUI, no Windows dependency. Use in console apps, ASP.NET, MAUI, or any .NET host.

Install

dotnet add package FieldCure.AssistStudio.Anthropic

Usage

Stream mapping

using FieldCure.AssistStudio.Anthropic;

var mapper = new AnthropicStreamEventMapper();
var sdkStream = client.Messages.CreateStreaming(params);

await foreach (var evt in mapper.MapAsync(sdkStream))
{
 switch (evt)
 {
 case StreamEvent.TextDelta td:
 Console.Write(td.Text);
 break;
 case StreamEvent.ThinkingDelta tk:
 // extended thinking content
 break;
 case StreamEvent.Usage u:
 Console.WriteLine($"Tokens: {u.TokenUsage.TotalTokens}");
 break;
 case StreamEvent.StreamCompleted sc:
 Console.WriteLine(sc.IsTruncated ? "(truncated)" : "(done)");
 break;
 }
}

Message conversion

var result = AnthropicMessageConverter.Convert(messages);

var response = await client.Messages.Create(new()
{
 Model = "claude-sonnet-4-6",
 System = result.SystemPrompt is not null
 ? new(result.SystemPrompt) : null,
 Messages = result.Messages,
 MaxTokens = 4096,
});

Dependencies

Related Packages

License

MIT