Anthropic

Features

• AgentFactory (AnthropicAgentFactory)
• AIToolsFactory integration (tools in AnthropicAgentOptions.Tools)
• Thinking budget via BudgetTokens
• Requires MaxOutputTokens on agent creation

Package

dotnet add package AgentFrameworkToolkit.Anthropic

Quick start

AnthropicAgentFactory agentFactory = new("<apiKey>");
AnthropicAgent agent = agentFactory.CreateAgent(new AnthropicAgentOptions
{
    Model = "claude-haiku-4-5",
    MaxOutputTokens = 2000,
    BudgetTokens = 1024,
    Instructions = "You are a nice AI"
});

AgentRunResponse response = await agent.RunAsync("Hello World");
Console.WriteLine(response);

Connection options

• ApiKey (required)
• NetworkTimeout (optional)
• Endpoint (optional, override base URL)

Dependency injection

builder.Services.AddAnthropicAgentFactory("<apiKey>");
builder.Services.AddAnthropicAgentFactory(new AnthropicConnection
{
    ApiKey = "<apiKey>",
    NetworkTimeout = TimeSpan.FromMinutes(5)
});

Notes

• See AgentFactories for shared agent options and middleware.
• See AIToolsFactory for tool creation and MCP support.