Conciseness

The body is dense operational rule-making with no padding that teaches concepts Claude already knows, but the same rules are restated across sections: the unreadable-folder rule appears in Required Inputs ("stop and ask the user... Do not score from vague memory"), the Failure Modes table, Checkpoints ("🛑 STOP if the current post folder cannot be read"), and Do Not ("Do not score purely from the title if the post folder is unreadable"), and "Do not change platform base weights for different goals" appears verbatim in both Scoring Rules and Do Not. This fits the mostly-efficient-but-could-be-tightened anchor; it is not 4 because the duplication goes beyond minor instances, and not 2 because every section still carries operational weight rather than explanation.

Actionability

The guidance is largely executable: exact files to inspect ("Inspect `post.json` first", "cards/*.html"), a fixed copy-paste output template, numeric scoring thresholds ("Do not give a score above 85 if the core creative artifact is incomplete"), and a runnable command ("Run `python3 scripts/validate_skill_contract.py`"). It is not 5 because the Test Prompts section directs to `test-prompts.json`, which does not exist in the skill directory, so that instruction cannot be executed as written; it is not 3 because the core diagnosis workflow is fully specified with concrete commands, paths, and thresholds.

Workflow Clarity

An 8-step numbered workflow (read folder → identify platform → load rubric → web search → compare → evidence ledger → score → report) is paired with explicit checkpoints ("🔴 CHECKPOINT before scoring", "🛑 STOP if the current post folder cannot be read") and a 7-row Failure Modes and Fallbacks table that provides error-recovery loops (e.g., web search fails → "Continue with file-only diagnosis", "Mark `同类内容对比` as limited"). This matches the anchor with explicit validation steps, feedback loops, and checklists; it is not 4 because checkpoints and fallback paths are explicit rather than implicit. The skill is read-only diagnosis, so the destructive-operation cap does not apply.

Progressive Disclosure

The three reference files (`references/rednote-rubrics.md`, `references/wechat-official-rubrics.md`, `references/comparison-protocol.md`) all exist, are one level deep, are listed with one-line descriptions in a Reference Files section, and are conditionally loaded per platform in the workflow — bulk scoring detail is correctly split out of SKILL.md. It is not 5 because `test-prompts.json` is referenced in the body but absent from the bundle (the validator script requires it), leaving a dangling reference; it is not 3 because the split itself is well organized and references are clearly signaled.

Specificity

"Reads the mentioned post folder, searches comparable content online, scores the work, and outputs prioritized revision instructions" lists four concrete third-person actions covering the full input-to-output pipeline. This matches the comprehensive-coverage anchor; it is not 4 because there are no meaningful gaps in the action list.

Completeness

The what ("Pre-publish diagnosis skill... Reads the mentioned post folder, searches comparable content online, scores the work, and outputs prioritized revision instructions") and the when ("Use when the user asks for 发布前诊断, 发布前分析, content scoring, pre-publish review, or optimization diagnosis...") are both explicit, with concrete trigger phrases. This is the anchor-5 pattern; it is not 4 because the when-clause is already explicit and specific.

Trigger Term Quality

"发布前诊断, 发布前分析, content scoring, pre-publish review, or optimization diagnosis" gives good natural bilingual trigger phrases tied to named platforms ("Xiaohongshu/Rednote image-card posts or WeChat Official Account articles"), but common variants are missing. It is not 5 because natural synonyms users would say — 发布前评估, 打分, and the Chinese platform names 小红书/公众号 — are absent; it is not 3 because both English and Chinese natural phrasings are already covered.

Distinctiveness Conflict Risk

The niche is clear ("Pre-publish diagnosis skill for self-media works" scoped to Xiaohongshu/WeChat with diagnostic trigger phrases), but "content scoring" is a broad trigger that could fire outside the pre-publish context, and the skill ecosystem includes a closely related composition skill. It is not 5 because of this minor overlap risk with a closely related skill; it is not 3 because the diagnostic framing and platform scoping make wrong-skill triggering unlikely.