I'm open-sourcing /first-reader, a free agent skill that reads your draft the way an actual person would. first-reader simulates two people going through your draft one passage at a time, and reports how they felt - what's interesting, what doesn't make sense, things they skipped and what's something they will remember the next day. A third reader just skims and tells you whether they'd have opened it at all. You point your agent at a draft and say who it's for: "review this, the audience…