Monitor clan's performance for current war. You can check the number of Participants, Battles, Wins for the current war.
Review WarLog data for the clan. You can check the number of Participants, Battles, Wins for the latest wars (max 10).
List all the players that have participated in the last clan wars. Have a quick view of cards onations, cards won, number of wars played and more for each of the members.
Sorted list of the top 12 players in the clan.
You can check the full list of players for the clan, grouped by role and in one sight you could know if the member is active, number of wars played, arena, experience level, trophies, donations...
You could see the current deck of the player (even copying it in your deck from official app), check all the cards that this payer has in order to offer a change that people may accept, and you'll be able to see what are the upcoming chests for this player.