# OSMOSE Python Orchestration layer, simulation engine, and Shiny web interface for the OSMOSE marine ecosystem simulator. OSMOSE Python provides two engine backends — a pure Python engine (NumPy/Numba) and the original Java engine via subprocess — plus config I/O, calibration, output reading, and visualization. Install the project in editable mode with `pip install -e ".[dev]"`. New to the model? Start with the 30-minute tutorial in the Guides section below. :::{toctree} :maxdepth: 2 :caption: Guides usage-guide tutorials/30-minute-ecosystem tutorials/fie-on-baltic-cod ::: :::{toctree} :maxdepth: 2 :caption: API Reference api/index :::