Anthropic 3.7.1-dev.3
Anthropic
Features 🔥
- Fully generated C# SDK based on official OpenAPI specification using AutoSDK
- Automatic releases of new preview versions if there was an update to the OpenAPI specification
- Source generator to define tools natively through C# interfaces
- All modern .NET features - nullability, trimming, NativeAOT, etc.
- Support .Net Framework/.Net Standard 2.0
- Supporting Microsoft.Extensions.AI
- Supports all endpoints of the API, including batch requests, count tokens, and prompt caching.
Usage
using Anthropic;
using var client = new AnthropicClient(apiKey);
var messageParams = new CreateMessageParams()
{
Model = new Model(ModelVariant6.Claude35SonnetLatest),
Messages = [
new InputMessage(InputMessageRole.User, "What's the weather like today?"),
new InputMessage(InputMessageRole.Assistant, "Sure! Could you please provide me with your location?"),
new InputMessage(InputMessageRole.User, "Dubai, UAE")
],
MaxTokens = 250
};
var response = await client.Messages.MessagesPostAsync(messageParams);
Tools
using CSharpToJsonSchema;
public enum Unit
{
Celsius,
Fahrenheit,
}
public class Weather
{
public string Location { get; set; } = string.Empty;
public double Temperature { get; set; }
public Unit Unit { get; set; }
public string Description { get; set; } = string.Empty;
}
[GenerateJsonSchema]
public interface IWeatherFunctions
{
[Description("Get the current weather in a given location")]
public Weather GetCurrentWeather(
[Description("The city and state, e.g. San Francisco, CA")] string location,
Unit unit = Unit.Celsius);
[Description("Get the current weather in a given location")]
public Task<Weather> GetCurrentWeatherAsync(
[Description("The city and state, e.g. San Francisco, CA")] string location,
Unit unit = Unit.Celsius,
CancellationToken cancellationToken = default);
}
public class WeatherService : IWeatherFunctions
{
public Weather GetCurrentWeather(string location, Unit unit = Unit.Celsius)
{
return new Weather
{
Location = location,
Temperature = 22.0,
Unit = unit,
Description = "Sunny",
};
}
public Task<Weather> GetCurrentWeatherAsync(string location, Unit unit = Unit.Celsius, CancellationToken cancellationToken = default)
{
return Task.FromResult(new Weather
{
Location = location,
Temperature = 22.0,
Unit = unit,
Description = "Sunny",
});
}
}
using Anthropic;
using var client = new AnthropicClient(apiKey);
var service = new WeatherService();
var tools = service.AsTools();
var messageParams = new CreateMessageParams()
{
Model = new Model(ModelVariant6.Claude35SonnetLatest),
Messages = [new InputMessage(InputMessageRole.User, "What is the current temperature in Dubai, UAE in Celsius?")],
MaxTokens = 4096,
System = "You are a helpful weather assistant.",
ToolChoice = new ToolChoice(new ToolChoiceAuto()),
Tools = tools
};
var response = await client.Messages.MessagesPostAsync(messageParams);
messageParams.Messages.Add(response.AsInputMessage());
foreach (var toolUse in response.Content.Value2!
.Where(x => x.IsToolUse)
.Select(x => x.ToolUse))
{
var json = await service.CallAsync(
functionName: toolUse!.Name,
argumentsAsJson: toolUse.Input.AsJson());
messageParams.Messages.Add(json.AsToolCall(toolUse));
}
response = await client.Messages.MessagesPostAsync(messageParams);
Support
Priority place for bugs: https://github.com/tryAGI/Anthropic/issues
Priority place for ideas and general questions: https://github.com/tryAGI/Anthropic/discussions
Discord: https://discord.gg/Ca2xhfBf3v
Acknowledgments
This project is supported by JetBrains through the Open Source Support Program.
This project is supported by CodeRabbit through the Open Source Support Program.
Showing the top 20 packages that depend on Anthropic.
| Packages | Downloads |
|---|---|
|
Anthropic.Foundry
Package Description
|
3 |
|
Anthropic.Foundry
Package Description
|
2 |
.NET Framework 4.6.2
- CSharpToJsonSchema (>= 3.10.1)
- Microsoft.Bcl.AsyncInterfaces (>= 9.0.2)
- Microsoft.Extensions.AI.Abstractions (>= 9.5.0)
- System.Net.ServerSentEvents (>= 9.0.2)
- System.Text.Json (>= 9.0.2)
.NET 8.0
- CSharpToJsonSchema (>= 3.10.1)
- Microsoft.Bcl.AsyncInterfaces (>= 9.0.2)
- Microsoft.Extensions.AI.Abstractions (>= 9.5.0)
- System.Net.ServerSentEvents (>= 9.0.2)
- System.Text.Json (>= 9.0.2)
.NET 9.0
- CSharpToJsonSchema (>= 3.10.1)
- Microsoft.Bcl.AsyncInterfaces (>= 9.0.2)
- Microsoft.Extensions.AI.Abstractions (>= 9.5.0)
- System.Net.ServerSentEvents (>= 9.0.2)
- System.Text.Json (>= 9.0.2)
.NET Standard 2.0
- CSharpToJsonSchema (>= 3.10.1)
- Microsoft.Bcl.AsyncInterfaces (>= 9.0.2)
- Microsoft.Extensions.AI.Abstractions (>= 9.5.0)
- System.Net.ServerSentEvents (>= 9.0.2)
- System.Text.Json (>= 9.0.2)
| Version | Downloads | Last updated |
|---|---|---|
| 12.11.0 | 2 | 04/04/2026 |
| 12.10.0 | 2 | 04/04/2026 |
| 12.9.0 | 2 | 03/26/2026 |
| 12.8.0 | 3 | 03/04/2026 |
| 12.7.0 | 2 | 03/06/2026 |
| 12.6.0 | 2 | 03/06/2026 |
| 12.5.0 | 2 | 03/06/2026 |
| 12.4.0 | 2 | 03/06/2026 |
| 12.3.0 | 2 | 03/06/2026 |
| 12.2.0 | 2 | 03/06/2026 |
| 12.1.0 | 2 | 03/06/2026 |
| 12.0.1 | 2 | 03/06/2026 |
| 12.0.0 | 2 | 03/06/2026 |
| 11.0.0 | 2 | 03/06/2026 |
| 10.4.0 | 2 | 03/06/2026 |
| 10.2.1 | 2 | 03/06/2026 |
| 10.1.2 | 2 | 03/06/2026 |
| 10.0.1 | 2 | 03/06/2026 |
| 3.7.1-dev.6 | 2 | 03/06/2026 |
| 3.7.1-dev.5 | 2 | 03/06/2026 |
| 3.7.1-dev.4 | 2 | 03/06/2026 |
| 3.7.1-dev.3 | 2 | 03/06/2026 |
| 3.7.0 | 2 | 03/06/2026 |
| 3.6.1-dev.4 | 2 | 03/06/2026 |
| 3.6.1-dev.2 | 2 | 03/06/2026 |
| 3.6.1-dev.1 | 2 | 03/06/2026 |
| 3.6.0 | 2 | 03/06/2026 |
| 3.5.1-dev.3 | 2 | 03/06/2026 |
| 3.5.1-dev.2 | 2 | 03/06/2026 |
| 3.5.1-dev.1 | 2 | 03/06/2026 |
| 3.5.0 | 2 | 03/06/2026 |
| 3.4.2-dev.11 | 2 | 03/06/2026 |
| 3.4.2-dev.4 | 2 | 03/06/2026 |
| 3.4.2-dev.3 | 2 | 03/06/2026 |
| 3.4.2-dev.2 | 2 | 03/06/2026 |
| 3.4.2-dev.1 | 2 | 03/06/2026 |
| 3.4.1 | 2 | 03/06/2026 |
| 3.4.1-dev.11 | 2 | 03/06/2026 |
| 3.4.1-dev.10 | 2 | 03/06/2026 |
| 3.4.1-dev.8 | 2 | 03/06/2026 |
| 3.4.1-dev.7 | 2 | 03/06/2026 |
| 3.4.1-dev.6 | 2 | 03/06/2026 |
| 3.4.1-dev.5 | 2 | 03/06/2026 |
| 3.4.1-dev.4 | 2 | 03/06/2026 |
| 3.4.0 | 2 | 03/06/2026 |
| 3.3.1-dev.1 | 2 | 03/06/2026 |
| 3.3.0 | 2 | 03/06/2026 |
| 3.2.1-dev.10 | 2 | 03/06/2026 |
| 3.2.1-dev.7 | 2 | 03/06/2026 |
| 3.2.0 | 2 | 03/06/2026 |
| 3.1.1-dev.8 | 2 | 03/06/2026 |
| 3.1.1-dev.6 | 2 | 03/06/2026 |
| 3.1.0 | 2 | 03/06/2026 |
| 3.0.0 | 2 | 03/06/2026 |
| 2.1.2-dev.4 | 2 | 03/06/2026 |
| 2.1.2-dev.3 | 2 | 03/06/2026 |
| 2.0.1-dev.11 | 2 | 03/06/2026 |
| 2.0.1-dev.10 | 2 | 03/06/2026 |
| 2.0.1-dev.9 | 2 | 03/06/2026 |
| 2.0.1-dev.8 | 2 | 03/06/2026 |
| 2.0.1-dev.3 | 2 | 03/06/2026 |
| 2.0.1-dev.2 | 2 | 03/06/2026 |
| 2.0.1-dev.1 | 2 | 03/06/2026 |
| 2.0.0 | 2 | 03/06/2026 |
| 1.4.5-dev.5 | 2 | 03/06/2026 |
| 1.4.5-dev.1 | 2 | 03/06/2026 |
| 1.4.4 | 2 | 03/06/2026 |
| 1.4.3-dev.1 | 2 | 03/06/2026 |
| 1.4.2 | 2 | 03/06/2026 |
| 1.4.1 | 2 | 03/06/2026 |
| 1.3.0 | 2 | 03/06/2026 |
| 1.2.1-dev.18 | 2 | 03/06/2026 |
| 1.2.1-dev.14 | 2 | 03/06/2026 |
| 1.2.1-dev.13 | 2 | 03/06/2026 |
| 1.2.1-dev.10 | 2 | 03/06/2026 |
| 1.2.1-dev.4 | 2 | 03/06/2026 |
| 1.2.0 | 2 | 03/06/2026 |
| 1.1.1-dev.13 | 2 | 03/06/2026 |
| 1.1.1-dev.12 | 2 | 03/06/2026 |
| 1.1.1-dev.10 | 2 | 03/06/2026 |
| 1.1.1-dev.9 | 2 | 03/06/2026 |
| 1.1.1-dev.8 | 2 | 03/06/2026 |
| 1.1.1-dev.7 | 2 | 03/06/2026 |
| 1.1.1-dev.2 | 2 | 03/06/2026 |
| 1.1.1-dev.1 | 2 | 03/06/2026 |
| 1.1.0 | 2 | 03/06/2026 |
| 1.0.2-dev.1 | 2 | 03/06/2026 |
| 1.0.1 | 2 | 03/06/2026 |
| 1.0.0 | 2 | 03/06/2026 |
| 0.4.1-dev.6 | 2 | 03/06/2026 |
| 0.4.1-dev.2 | 2 | 03/06/2026 |
| 0.4.0 | 2 | 03/06/2026 |
| 0.3.1 | 2 | 03/06/2026 |
| 0.3.0 | 2 | 03/06/2026 |
| 0.2.0 | 2 | 03/06/2026 |
| 0.2.0-alpha03 | 2 | 03/06/2026 |
| 0.1.0 | 2 | 03/06/2026 |
| 0.0.0-dev.35 | 2 | 03/06/2026 |