{"id":"iso-date-sort","version":"1.0.0","description":"Stable-sort an array of YYYY-MM-DD calendar dates.","supported_operations":["iso date sort","sort calendar dates","order dates"],"unsupported_operations":["locale collation","datetime sort","timezones","deduplication"],"semantics":["dates is an array of strict YYYY-MM-DD proleptic Gregorian UTC calendar dates with year 0001-9999, at most 10000 items.","order is \"asc\" (default) or \"desc\". Unknown order values are rejected.","Sorting is by civil day serial. Equal dates keep their original relative order (stable sort). Duplicates are preserved, not removed."],"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","maxItems":10000,"items":{"type":"string","minLength":10,"maxLength":10,"pattern":"^\\d{4}-\\d{2}-\\d{2}$"}},"order":{"type":"string","enum":["asc","desc"]}}},"output_schema":{"type":"object","additionalProperties":false,"required":["dates"],"properties":{"dates":{"type":"array","items":{"type":"string","minLength":10,"maxLength":10}}}},"examples":[{"input":{"dates":["2026-03-01","2026-01-01","2026-02-01"]},"output":{"dates":["2026-01-01","2026-02-01","2026-03-01"]}}],"execute_url":"/v1/tools/iso-date-sort/versions/1.0.0/execute"}