Physics MCP Server

List all supported unit conversions.

Returns a dictionary mapping category names to lists of supported units.

Returns:
    Dictionary with supported unit categories:
    - velocity: Speed units
    - distance: Length units
    - mass: Weight units
    - force: Force units
    - energy: Energy units
    - power: Power units
    - temperature: Temperature scales
    - angle: Angular units
    - pressure: Pressure units
    - area: Area units
    - volume: Volume units

Example:
    >>> list_unit_conversions()
    {
        "velocity": ["m/s", "km/h", "mph", "ft/s", "knots"],
        "distance": ["m", "km", "mi", "ft", "yd", "in"],
        "mass": ["kg", "g", "lb", "oz"],
        ...
    }