# LLM provider chain, tried in this priority order -- only Gemini is required,
# the rest are optional and just skipped if their key is missing.
GOOGLE_API_KEY=
MISTRAL_API_KEY=
GROQ_API_KEY=
OPENAI_API_KEY=

# Tavily web search (free tier: https://tavily.com) -- optional; if unset, the
# web_search tool returns a clear "unavailable" message instead of crashing.
TAVILY_API_KEY=

# You.com Answer API -- optional; a synthesized, citation-backed research tool
# (not an LLM -- see gaia_agent/tools/you_answer.py). Degrades gracefully if unset.
YOUDOTCOM_API_KEY=

# Windows only: pytesseract is a wrapper around the Tesseract OCR binary, which
# is NOT installed by pip. Install it separately (e.g. the UB-Mannheim installer,
# or `choco install tesseract`) and either put it on PATH or set this:
# TESSERACT_CMD=C:\Program Files\Tesseract-OCR\tesseract.exe