👁 Image
Anthropic 12.29.1

Claude SDK for C#

👁 NuGet Version

The Claude SDK for C# provides access to the Claude API from C# applications.

Documentation

Full documentation is available at platform.claude.com/docs/en/api/sdks/csharp.

Installation

dotnet add package Anthropic

Getting started

using System;
using Anthropic;
using Anthropic.Models.Messages;

AnthropicClient client = new();

MessageCreateParams parameters = new()
{
 MaxTokens = 1024,
 Messages =
 [
 new()
 {
 Role = Role.User,
 Content = "Hello, Claude",
 },
 ],
 Model = "claude-opus-4-6",
};

var message = await client.Messages.Create(parameters);

Console.WriteLine(message);

Requirements

.NET Standard 2.0+

Contributing

See .

License

This project is licensed under the MIT License. See the file for details.