What problem does it solve? Writers, editors, and publishers need to know how likely a piece of narrative text was generated by AI, but single-score detectors are unreliable and can falsely accuse human authors. This Skill produces a probabilistic, evidence-backed AI-authorship assessment instead of a black-and-white verdict. ## Core Features & Use Cases - Quantitative signal scripts: Runs local Python scripts (aigc_value.py, text_signals.py, paragraph_dup.py, content_lint.py) to measure sentence-length burstiness, cliche density, paragraph-level duplication, and content-integrity issues. - Six-dimension qualitative scoring: Scores syntax/rhythm, diction, emotional handling, detail specificity, metaphor organicity, and voice consistency on 0-5 scales with quoted evidence, then synthesizes an AI-authorship percentage range with confidence level. - Publication gate checks: Enforces hard delivery thresholds (AIGC value under 4%, zero paragraph duplication, risk score at or below 35/100) and records external platform spot-check values bound to exact text SHA. - Use Case: A web-novel studio pastes a 3,000-character chapter and asks whether it reads as AI-written before submission to a publishing platform; the Skill runs the scripts, scores the six dimensions, and returns a report with revision suggestions. ## Quick Start Ask the assistant to audit the attached chapter for AI-authorship likelihood and produce an evidence-based report with revision suggestions.