{"name":"business_days","title":"Business-Day Calculator","category":"developer","description":"Count workdays between two dates, or add N business days to a date — skipping weekends and holidays.","price_usd":0.001,"input_schema":{"type":"object","properties":{"mode":{"type":"string","description":"Operation","enum":["count","add"]},"start":{"type":"string","description":"Start date YYYY-MM-DD"},"end":{"type":"string","description":"End date YYYY-MM-DD (count mode)"},"days":{"type":"integer","description":"Business days to add, may be negative (add mode)"},"holidays":{"type":"array","description":"Optional list of YYYY-MM-DD dates to exclude"}},"additionalProperties":false,"required":["start"]}}