mutation AddFeed($url: String!) { addFeed(url: $url) { id url title fetchedAt } } mutation UnsubscribeFeed($id: ID!) { unsubscribeFeed(id: $id) } mutation MarkArticleRead($id: ID!) { markArticleRead(id: $id) { id feedId guid title url isRead } } mutation MarkArticleUnread($id: ID!) { markArticleUnread(id: $id) { id feedId guid title url isRead } } mutation MarkFeedRead($id: ID!) { markFeedRead(id: $id) { id url title fetchedAt } } mutation MarkFeedUnread($id: ID!) { markFeedUnread(id: $id) { id url title fetchedAt } }