{"name":"sig_figs","title":"Significant Figures Rounder","category":"math","description":"Round a number to a given count of significant figures with scientific notation output.","price_usd":0.001,"input_schema":{"type":"object","properties":{"number":{"type":"number","description":"Number to round"},"sig_figs":{"type":"integer","description":"Significant figures (default 3)"}},"additionalProperties":false,"required":["number"]}}