Conciseness

The body is a lean routing index where nearly every line maps a file to its purpose plus a guardrail, with no padding and no explanation of concepts Claude already knows, matching the 'lean and efficient; every token earns its place' anchor; the longest lines are dense rather than verbose.

Actionability

Each reference is paired with a concrete file path and specific scope ('Use core/main-text-discipline.md for result placement, main-text compression, revision accretion...'), giving mostly executable routing guidance; it is not a 5 because the skill delegates the actual work to the referenced files and contains no commands or code, leaving minor gaps in what to execute directly.

Workflow Clarity

The routing workflow is unambiguous and single-purpose: load the exact referenced file (do not preload the package), apply each file's scope guardrail, then return to the requesting skill for task logic and final QA, with clear start and end checkpoints; this dependency/routing skill is not a destructive or batch operation, so the destructive cap does not apply.

Progressive Disclosure

The overview is well-formatted with one-level-deep, clearly signaled references and a per-file purpose, but the referenced paths (core/*.md, journal-formats/*.md) do not exist in the actual bundle, so navigation is broken; per the rubric's instruction to score against the actual bundle structure, this defect pulls it down to 'structure present but undermined / could be better organized'.

Specificity

Names the domain ('Internal shared-reference support package') and one concrete action ('Load only the specific core or journal-format file requested by another Nature skill'), but does not enumerate multiple distinct capabilities, matching the '1-2 concrete actions, not comprehensive' anchor rather than the several-actions anchors (4-5).

Completeness

'what' is clear (shared-reference support package; load specific files) and 'when' is explicit ('Do not invoke it as a standalone user workflow' / 'Load only...requested by another Nature skill'), matching the 'both what and when, when could be more explicit' anchor; it is not a 5 because the trigger is expressed as a constraint rather than affirmative user-facing 'Use when...' phrasing.

Trigger Term Quality

It lists sibling skill names (nature-writing, nature-polishing, etc.) as technical identifiers and gives negative trigger guidance rather than natural phrases a user would say, so it sits just above pure-jargon (1) but below having good natural keyword coverage (3).

Distinctiveness Conflict Risk

It occupies a clear niche (internal dependency of installed Nature skills) with explicit anti-standalone guidance that minimizes wrong-trigger risk, matching the 'clear niche with distinct triggers; minimal conflict risk' anchor.