| # API Keys for LangGraph Agent | |
| # Required: Anthropic API key for Claude Sonnet 3.5 | |
| ANTHROPIC_API_KEY=sk-ant-your-api-key-here | |
| # Recommended: Tavily API key for best web search | |
| # Get your free key (1000 queries/month) from https://tavily.com | |
| TAVILY_API_KEY=tvly-your-api-key-here | |
| # Optional: SerpAPI key as backup web search | |
| # Get your key from https://serpapi.com | |
| SERPAPI_KEY=your-serpapi-key-here | |
| # Note: Copy this file to .env and add your actual API keys |