| # OpenRouter — powers LLMs via free-tier models | |
| # Get your key at: https://openrouter.ai/keys | |
| OPENROUTER_API_KEY=your_openrouter_key_here | |
| # Groq — fast inference on Llama/Gemma models (free tier) | |
| # Get your key at: https://console.groq.com/keys | |
| GROQ_API_KEY=your_groq_key_here | |
| # GitHub Models — free OpenAI-compatible models (gpt-4o-mini, Llama, Mistral, Phi) | |
| # Create a classic PAT at: https://github.com/settings/tokens | |
| GITHUB_TOKEN=your_github_pat_here | |
| # Serper — used by SerperDevTool for web search | |
| # Get your key at: https://serper.dev | |
| SERPER_API_KEY=your_serper_key_here | |
| # PostgreSQL — only needed if you use PGSearchTool | |
| # Format: postgresql://user:password@host:5432/dbname | |
| DATABASE_URL= | |