anthropic

Anthropic SDK - Official Claude AI Integration

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progressive_disclosure: entry_point: summary: "Official Anthropic SDK for Claude AI - chat, streaming, function calling, vision" when_to_use: - "When integrating Claude AI into applications" - "When building AI-powered features with Claude models" - "When using function calling/tool use patterns" - "When processing images with vision models" - "When implementing streaming chat interfaces" quick_start: - "pip install anthropic (Python) or npm install @anthropic-ai/sdk (TypeScript)" - "Set ANTHROPIC_API_KEY environment variable" - "Create client and send messages with Messages API" - "Use streaming for real-time responses" installation: python: "pip install anthropic" typescript: "npm install @anthropic-ai/sdk" config: - "ANTHROPIC_API_KEY: Your API key from console.anthropic.com" - "Model: claude-3-5-sonnet-20241022 (recommended)" - "Max tokens: 1024-8192 for responses" token_estimate: entry: 85 full: 5000

Installation & Setup

Python

pip install anthropic

TypeScript

npm install @anthropic-ai/sdk

API Key Configuration

export ANTHROPIC_API_KEY='your-api-key-here'

Get your API key from: https://console.anthropic.com/settings/keys

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Messages API - Basic Usage

Python - Simple Message

import anthropic
import os

client = anthropic.Anthropic(
    api_key=os.environ.get("ANTHROPIC_API_KEY")
)

message = client.messages.create(
    model="claude-3-5-sonnet-20241022",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Explain quantum computing in simple terms"}
    ]
)

print(message.content[0].text)

TypeScript - Simple Message

import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: process.env.ANTHROPIC_API_KEY,
});

const message = await client.messages.create({
  model: 'claude-3-5-sonnet-20241022',
  max_tokens: 1024,
  messages: [
    { role: 'user', content: 'Explain quantum computing in simple terms' }
  ],
});

console.log(message.content[0].text);