{"name":"concrete","title":"Concrete Calculator","category":"trades","description":"Cubic yards, 60/80-lb bag counts and ready-mix cost for slabs, columns or tubes.","price_usd":0.001,"input_schema":{"type":"object","properties":{"shape":{"type":"string","description":"Pour shape","enum":["slab","column","tube"]},"length":{"type":"number","description":"Length in feet (slab/column)"},"width":{"type":"number","description":"Width in feet (slab/column)"},"thickness_in":{"type":"number","description":"Slab thickness in inches"},"height":{"type":"number","description":"Column height in feet"},"diameter_in":{"type":"number","description":"Tube diameter in inches"},"depth":{"type":"number","description":"Tube depth in feet"},"quantity":{"type":"integer","description":"Number of identical pours (default 1)"},"price_per_yard":{"type":"number","description":"Ready-mix price per cubic yard (default 150)"},"waste_factor":{"type":"number","description":"Waste multiplier (default 1.10)"}},"additionalProperties":false,"required":["shape"]}}