clade-install-auth

# Anthropic Install & Auth ## Overview Set up the Anthropic SDK and configure your API key to start using Claude models. ## Prerequisites - Node.js 18+ or Python 3.10+ - Anthropic account at [console.anthropic.com](https://console.anthropic.com) - API key from Settings → API Keys (starts with `sk-ant-`) ## Instructions ### Step 1: Install SDK ```bash # Node.js / TypeScript npm install @claude-ai/sdk # Python pip install anthropic ``` ### Step 2: Configure API Key ```bash # Set environment variable (recommended) export ANTHROPIC_API_KEY="sk-ant-api03-..." # Or add to .env file echo 'ANTHROPIC_API_KEY=sk-ant-api03-...' >> .env ``` > **Important:** Never hardcode API keys. Use environment variables or a secrets manager. Keys start with `sk-ant-`. ### Step 3: Verify Connection ```typescript import Anthropic from '@claude-ai/sdk'; const client = new Anthropic(); // reads ANTHROPIC_API_KEY from env const message = await client.messages.create({ model: 'claude-sonnet-4-20250514', max_tokens: 64, messages: [{ role: 'user', content: 'Say "connected" in one word.' }], }); console.log(message.content[0].text); // "Connected" ``` ```python import anthropic client = anthropic.Anthropic() # reads ANTHROPIC_API_KEY from env message = client.messages.create( model="claude-sonnet-4-20250514", max_tokens=64, messages=[{"role": "user", "content": "Say 'connected' in one word."}], ) print(message.content[0].text) # "Connected" ``` ## Output - `@claude-ai/sdk` i...