clade-hello-world

# Anthropic Hello World ## Overview Send your first message to Claude and get a response using the Messages API. ## Prerequisites - Completed `clade-install-auth` setup - `ANTHROPIC_API_KEY` environment variable set ## Instructions ### Step 1: Basic Message ```typescript import Anthropic from '@claude-ai/sdk'; const client = new Anthropic(); const message = await client.messages.create({ model: 'claude-sonnet-4-20250514', max_tokens: 1024, messages: [ { role: 'user', content: 'What is the capital of France?' } ], }); console.log(message.content[0].text); // "The capital of France is Paris." ``` ### Step 2: Add a System Prompt ```typescript const message = await client.messages.create({ model: 'claude-sonnet-4-20250514', max_tokens: 1024, system: 'You are a helpful geography expert. Be concise.', messages: [ { role: 'user', content: 'What is the capital of France?' } ], }); ``` ### Step 3: Multi-Turn Conversation ```typescript const message = await client.messages.create({ model: 'claude-sonnet-4-20250514', max_tokens: 1024, messages: [ { role: 'user', content: 'What is the capital of France?' }, { role: 'assistant', content: 'The capital of France is Paris.' }, { role: 'user', content: 'What is its population?' }, ], }); ``` ## Python Example ```python import anthropic client = anthropic.Anthropic() message = client.messages.create( model="claude-sonnet-4-20250514", max_tokens=1024, messages=[ {"rol...