Tools

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using var client = new AnthropicClient(apiKey);
var service = new WeatherService();
var tools = service.AsTools().AsAnthropicTools();

List<InputMessage> messages = ["What is the current temperature in Dubai, UAE in Celsius?"];

var response = await client.Messages.MessagesPostAsync(
    model: ModelVariant2.Claude37SonnetLatest,
    messages: messages,
    maxTokens: 300,
    metadata: null,
    stopSequences: null,
    system: "You are a helpful weather assistant.",
    temperature: 0,
    toolChoice: new ToolChoiceAuto(),
    tools: tools,
    topK: 0,
    topP: 0,
    stream: false);

messages.Add(response.AsInputMessage());

foreach (var toolUse in response.Content
             .Where(x => x.IsToolUse)
             .Select(x => x.ToolUse))
{
    var json = await service.CallAsync(
        functionName: toolUse!.Name,
        argumentsAsJson: toolUse.Input.AsJson());
    messages.Add(json.AsToolCall(toolUse));
}

response = await client.Messages.MessagesPostAsync(
    model: ModelVariant2.Claude37SonnetLatest,
    messages: messages,
    maxTokens: 300,
    metadata: null,
    stopSequences: null,
    system: "You are a helpful weather assistant.",
    temperature: 0,
    toolChoice: new ToolChoiceAuto(),
    tools: tools,
    topK: 0,
    topP: 0,
    stream: false);

Console.WriteLine(response.AsSimpleText());