{"ok":true,"result":{"slug":"leap-year-checker","name":"Leap Year Checker","summary":"Check whether a year is a leap year under Gregorian rules (with the rule that applies and the previous/next leap years), or list the leap years in a range.","description":"Check whether any year is a leap year, see which Gregorian rule decides it, find the next and previous leap years, and list every leap year in a range.","method":"POST","endpoint":"/api/v1/tools/leap-year-checker","plan":"free","mcpName":"leap_year_checker","input":{"type":"object","additionalProperties":false,"properties":{"year":{"type":"integer","description":"The year to check (1 to 99999).","minimum":1,"maximum":99999},"toYear":{"type":"integer","description":"Optional end year: list every leap year from year to toYear (at most 10,000 years apart) instead.","minimum":1,"maximum":99999}},"required":["year"]},"example":{"year":2100},"randomOutput":false,"network":false,"docs":"https://pithlab.com/developers/tools/leap-year-checker","page":"https://pithlab.com/tools/leap-year-checker"}}