{"id":"iso-date-range-intersect","version":"1.0.0","description":"Compute the intersection of two inclusive [start, end] date ranges.","supported_operations":["iso date range intersect","overlap of two date ranges","common days between date ranges"],"unsupported_operations":["open ranges","timezones","datetime ranges","multi-range intersection"],"semantics":["a and b are each an inclusive [start, end] YYYY-MM-DD date range with year 0001-9999; start must not be after end in either.","intersection is {start, end} covering the days common to both ranges (max(a.start,b.start) to min(a.end,b.end)) when they overlap, or null when they do not."],"limits":{"year_min":1,"year_max":9999},"pricing":{"status":"unpriced","charge_usd":null},"input_schema":{"type":"object","additionalProperties":false,"required":["a","b"],"properties":{"a":{"type":"object","additionalProperties":false,"required":["start","end"],"properties":{"start":{"type":"string","minLength":10,"maxLength":10,"pattern":"^\\d{4}-\\d{2}-\\d{2}$"},"end":{"type":"string","minLength":10,"maxLength":10,"pattern":"^\\d{4}-\\d{2}-\\d{2}$"}}},"b":{"type":"object","additionalProperties":false,"required":["start","end"],"properties":{"start":{"type":"string","minLength":10,"maxLength":10,"pattern":"^\\d{4}-\\d{2}-\\d{2}$"},"end":{"type":"string","minLength":10,"maxLength":10,"pattern":"^\\d{4}-\\d{2}-\\d{2}$"}}}}},"output_schema":{"type":"object","additionalProperties":false,"required":["intersection"],"properties":{"intersection":{"anyOf":[{"type":"null"},{"type":"object","additionalProperties":false,"required":["start","end"],"properties":{"start":{"type":"string","minLength":10,"maxLength":10},"end":{"type":"string","minLength":10,"maxLength":10}}}]}}},"examples":[{"input":{"a":{"start":"2026-01-01","end":"2026-01-10"},"b":{"start":"2026-01-05","end":"2026-01-20"}},"output":{"intersection":{"start":"2026-01-05","end":"2026-01-10"}}},{"input":{"a":{"start":"2026-01-01","end":"2026-01-04"},"b":{"start":"2026-01-05","end":"2026-01-20"}},"output":{"intersection":null}}],"execute_url":"/v1/tools/iso-date-range-intersect/versions/1.0.0/execute"}