A tight, highly actionable skill: every command is executable, the four-step workflow is clearly sequenced with dry-run/verbose checkpoints, and the inline examples act as the authoritative style guide. Minor gaps are slight rule redundancy and the optional (rather than prescribed) pre-write validation for an operation that can overwrite an existing changelog section.

Dimension	Reasoning	Score
Conciseness	The body is efficient: terse rules ("Exclude from highlights: Bug fixes / Maintenance, cleanup, dependency updates / Reverts"), no explanations of concepts Claude already knows, and examples that earn their tokens as the authoritative style reference. Not level 5 because the Rules section restates the "do not read CHANGELOG.md" instruction across three near-duplicate bullets that could be consolidated.	4 / 5
Actionability	Fully executable, copy-paste-ready guidance: the exact node commands for both helper scripts, heredoc stdin syntax for the write script, documented flags (--verbose, --dry-run), and three complete worked examples (10.3.0, 10.1.0, 10.0.0) covering the single-group, multi-group, and major-release cases.	5 / 5
Workflow Clarity	A clear Step 1→4 sequence (collect → select highlights → compose → write) with checkpoints: --verbose to verify which prereleases were found and filtered, and --dry-run to preview before writing. Not level 5 because the dry-run preview is offered as an option rather than prescribed as an explicit validation step before the write that can overwrite an existing section, and there is no post-write verification of the composed entry.	4 / 5
Progressive Disclosure	A single well-organized file with clear headers (Rules, Steps 1-4, Writing style, Examples) and flat one-level structure — no bundle files exist, so the SKILL.md stands alone and is easy to navigate. Not level 5 because the ~50 lines of full inline example blocks could be split into a references file to keep the main body leaner.	4 / 5
	Total	17 / 20 Passed

Description

82%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A clear, well-scoped description in third person that explicitly states what the skill does and when to use it, with strong file- and version-specific triggers. Its only weakness is modest action coverage — a single verb ("write") where listing the entry-collection and highlights-selection steps would improve it.

Dimension	Reasoning	Score
Specificity	The description names the domain ("a new minor or major Storybook release") and one concrete action ("Write the changelog entry"), matching the anchor for naming a domain with 1-2 concrete actions but not comprehensive coverage. It does not list several actions (e.g., collecting entries, selecting highlights, composing the section), which the level-4 anchor would require.	3 / 5
Completeness	Both questions are answered explicitly: the what ("Write the changelog entry for a new minor or major Storybook release") and the when ("Use when preparing a CHANGELOG.md entry for a X.Y.0 version") with a concrete trigger condition, matching the top anchor exactly.	5 / 5
Trigger Term Quality	Good natural keyword coverage: "changelog", "Storybook release", "CHANGELOG.md", and "X.Y.0" — phrases a maintainer would plausibly say. Not level 5 because common synonyms such as "release notes" or "release post" are missing.	4 / 5
Distinctiveness Conflict Risk	"minor or major Storybook release" and the X.Y.0 version constraint carve out a clear niche with distinct triggers; there is no realistic overlap with generic changelog/document skills.	5 / 5
	Total	17 / 20 Passed

Validation

81%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 13 / 16 Passed

Validation for skill structure

Criteria	Description	Result
allowed_tools_field	'allowed-tools' contains unusual tool name(s)	Warning
metadata_version	'metadata.version' is missing	Warning
metadata_field	'metadata' should map string keys to string values	Warning

	Total	13 / 16 Passed

Repository: storybookjs/storybook
Path: .agents/skills/minor-release/SKILL.md
Commit: dc9b30e

Reviewed: 3 days ago

Table of Contents

Discovery Implementation Validation

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