{"id":"iso-date-min-max","version":"1.0.0","description":"Return the earliest and latest date in a non-empty array of YYYY-MM-DD calendar dates.","supported_operations":["iso date min max","earliest and latest date","date array bounds"],"unsupported_operations":["index of min","datetime input","timezones"],"semantics":["dates is a non-empty array of strict YYYY-MM-DD proleptic Gregorian UTC calendar dates with year 0001-9999, at most 10000 items.","min and max are the earliest and latest input dates by civil day serial.","Ties keep the value unchanged; duplicates do not affect the result."],"limits":{"max_items":10000,"year_min":1,"year_max":9999},"pricing":{"status":"unpriced","charge_usd":null},"input_schema":{"type":"object","additionalProperties":false,"required":["dates"],"properties":{"dates":{"type":"array","minItems":1,"maxItems":10000,"items":{"type":"string","minLength":10,"maxLength":10,"pattern":"^\\d{4}-\\d{2}-\\d{2}$"}}}},"output_schema":{"type":"object","additionalProperties":false,"required":["min","max"],"properties":{"min":{"type":"string","minLength":10,"maxLength":10},"max":{"type":"string","minLength":10,"maxLength":10}}},"examples":[{"input":{"dates":["2026-03-01","2026-01-01","2026-02-01"]},"output":{"min":"2026-01-01","max":"2026-03-01"}}],"execute_url":"/v1/tools/iso-date-min-max/versions/1.0.0/execute"}