| # Copy this file to .env and fill in your real keys. | |
| # .env is gitignored and must NEVER be committed. | |
| # Anthropic API key — used by the frontier assistant (Claude Sonnet 4.5), | |
| # the output-moderation guardrail (Claude Haiku 4.5), and the eval judge. | |
| ANTHROPIC_API_KEY= | |
| # Hugging Face token — used to download the Qwen model and to deploy to HF Spaces. | |
| HF_TOKEN= | |
| # Langfuse keys — observability/tracing for model and tool calls. | |
| LANGFUSE_PUBLIC_KEY= | |
| LANGFUSE_SECRET_KEY= | |
| LANGFUSE_HOST=https://cloud.langfuse.com | |
| # Tavily API key — powers the web-search tool. | |
| TAVILY_API_KEY= | |