.env.example

# OpenRouter API Configuration
OPENROUTER_API_KEY=your_openrouter_api_key_here
# Get your key from: https://openrouter.ai/keys

# Default Model (optional)
DEFAULT_MODEL=meta-llama/llama-3.2-3b-instruct:free

# Web Search Configuration (choose one or use multiple)

# DuckDuckGo - FREE (no API key needed)
# This is the default and recommended for free usage

# Tavily - Requires API key
# Get your key from: https://tavily.com
TAVILY_API_KEY=your_tavily_api_key_here

# SerpAPI - Requires API key  
# Get your key from: https://serpapi.com
SERPAPI_API_KEY=your_serpapi_api_key_here

# Serper - Requires API key
# Get your key from: https://serper.dev
SERPER_API_KEY=your_serper_api_key_here

# Vector Store Configuration
CHROMA_PERSIST_DIR=./chroma_db

# Optional: Other LLM Providers
OPENAI_API_KEY=your_openai_api_key_here
ANTHROPIC_API_KEY=your_anthropic_api_key_here