{"name":"quadratic","title":"Quadratic Equation Solver","category":"math","description":"Roots and discriminant of a*x^2 + b*x + c = 0 (real or complex).","price_usd":0.001,"input_schema":{"type":"object","properties":{"a":{"type":"number","description":"Coefficient a"},"b":{"type":"number","description":"Coefficient b"},"c":{"type":"number","description":"Coefficient c"}},"additionalProperties":false,"required":["a"]}}