{"name":"gcd_lcm","title":"GCD & LCM Calculator","category":"math","description":"Greatest common divisor and least common multiple of integers.","price_usd":0.001,"input_schema":{"type":"object","properties":{"a":{"type":"integer","description":"First integer"},"b":{"type":"integer","description":"Second integer"},"numbers":{"type":"array","description":"Array of two or more integers (instead of a/b)"}},"additionalProperties":false}}