MCP_URL = "https://www.kaggle.com/mcp" raise RuntimeError("No Kaggle token found. Use --token, set KAGGLE_TOKEN/kaggle_mcp_token, or create a token/.env file.") ...
CatBoost as the main tabular anchor LightGBM and XGBoost as diversity models OOF-based blending reproducible YAML experiments Kaggle CLI validation and submission journaling ...