{"name":"matrix","title":"Matrix Operations","category":"developer","description":"Determinant, inverse, multiplication, and transpose for numeric matrices.","price_usd":0.001,"input_schema":{"type":"object","properties":{"operation":{"type":"string","description":"Operation","enum":["determinant","inverse","multiply","transpose"]},"a":{"type":"array","description":"2D numeric matrix"},"b":{"type":"array","description":"Second matrix (multiply)"}},"additionalProperties":false,"required":["a"]}}