Conciseness

The body is dense and operational — platform-specific metrics ("番茄看在读，起点看付费榜和总推荐..."), directory conventions, and command invocations, with no explanations of concepts Claude already knows. Not 5 because a few passages run long and could be tightened, e.g. the author-provided data formatting spec in Phase 2 and the report style rules in Phase 4; not 3 because nearly every line carries skill-specific instruction rather than padding.

Actionability

Fully executable guidance: concrete commands with flags ("node scripts/aggregate-rank.js {outdir} --out {outdir}/扫榜聚合.md", "--sample {题材/标签/书名词} --n 5"), an exact input-file format for author-provided data ("首行 `# {平台} · {榜单名}`...每本一段 `### #{排名} {书名}`"), a copy-paste report template, and verified script/reference files. Common cases across all five platforms are covered via the per-platform references, and the fallback behaviors (re-scrape, exclude with note, fall back to Phase 2) are explicit.

Workflow Clarity

Five clearly sequenced phases with explicit validation and feedback loops: "看聚合的「采集情况」：标了问题...按平台参考的「采不到时」排查后重采；重采不了，报告里说明结论不含它" (check → fix → retry → degrade gracefully), a prioritized data-source table with three fallback modes, file-based resume in Phase 5 ("先读...不靠对话记忆；两者都没有就回 Phase 2"), and explicit handling of missing comparison data ("无可比上期时，趋势栏写「未比较」").

Progressive Disclosure

SKILL.md is a well-organized overview plus operational core; details are split one level deep into 7 reference files and 7 scripts, all verified to exist with no nested references. Navigation is clear via inline links at point of use ("只读所选平台参考：[起点](references/platform-qidian.md)...") and a closing "参考资料" table giving a when-to-read rule for each file.

Specificity

The description names a concrete domain ("起点、番茄、晋江、七猫等平台排行榜与新书数据") and several specific actions ("分析...排行榜与新书数据，提炼市场趋势与热门题材"). It is above the 3 anchor (domain plus 1-2 actions) because platform names and the ranking/new-book/genre-trend breakdown give concrete coverage, but below 5 because 'analyze' and 'distill' are two verb frames rather than a fully enumerated action list.

Completeness

Clearly answers 'what' ("分析...平台排行榜与新书数据，提炼市场趋势与热门题材") and 'when' explicitly via the "触发方式：" clause with concrete trigger phrases, matching the anchor for explicit what-and-when with concrete triggers.

Trigger Term Quality

Includes both slash commands ("/story-long-scan、/长篇扫榜") and natural user phrases ("长篇什么火"、"起点排行"、"扫七猫新书") that a user would actually say. Not 5 because common variations are missing — generic '扫榜'/'网文扫榜', trend phrasings like '网文趋势'/'什么题材火', and trigger terms for the other named platforms (番茄、晋江) beyond 七猫.

Distinctiveness Conflict Risk

A clear niche — long-form (长篇) web novel ranking analysis on specific Chinese platforms — with distinct triggers. The '长篇' qualifier plus platform-specific phrases (起点排行、扫七猫新书) disambiguate it from adjacent skills such as short-form scanning; minimal conflict risk.