changesets
Use when creating a changeset, preparing a release, or bumping versions. Covers which packages to reference, how to write user-facing changeset descriptions, the release automation flow, and the npm/Docker version sync requirement. (project)
68
83%
Does it follow best practices?
Impact
—
No eval scenarios have been run
Passed
No known issues
Quality
Discovery
89%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
This is a solid skill description with clear 'Use when' triggers and good domain-specific terminology. Its main weakness is that the capabilities are described more as topic coverage areas ('Covers which packages to reference...') rather than concrete actions the skill enables. The trigger terms and completeness are strong, making it effective for skill selection.
Suggestions
Rewrite capability descriptions as concrete actions rather than topic coverage, e.g., 'Creates changeset files, writes user-facing release descriptions, manages npm/Docker version synchronization' instead of 'Covers which packages to reference, how to write...'.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | The description names the domain (changesets, releases, version bumping) and mentions several aspects it covers (packages to reference, user-facing descriptions, release automation flow, npm/Docker version sync), but these read more like topic areas than concrete actions. It doesn't list specific actionable operations like 'create changeset files' or 'update package.json versions'. | 2 / 3 |
Completeness | Explicitly answers both 'what' (covers package references, user-facing changeset descriptions, release automation flow, npm/Docker version sync) and 'when' ('Use when creating a changeset, preparing a release, or bumping versions'). The 'Use when...' clause is present and clear. | 3 / 3 |
Trigger Term Quality | Includes strong natural trigger terms users would say: 'changeset', 'release', 'bumping versions', 'npm', 'Docker', 'version sync'. These cover the key vocabulary a user would naturally use when needing this skill. | 3 / 3 |
Distinctiveness Conflict Risk | The description targets a very specific niche — changeset creation, release preparation, and version bumping with npm/Docker sync. This is unlikely to conflict with other skills due to the specificity of the domain and the distinct trigger terms. | 3 / 3 |
Total | 11 / 12 Passed |
Implementation
77%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a solid, actionable skill that clearly instructs Claude on creating changesets and understanding the release pipeline. Its main weakness is redundancy — the internal-packages rule is repeated three times — and some infrastructure details in Version Synchronization that aren't directly actionable for changeset creation. The concrete template, good/bad examples, and checklist are strong points.
Suggestions
Remove the duplicate explanation about not referencing internal packages — state it once in the Rules section and reference it from the checklist.
Consider moving Version Synchronization and Release Automation details to a separate reference file, keeping SKILL.md focused on the actionable changeset creation workflow.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content has some redundancy — the rule about only referencing `@cloudflare/sandbox` and never internal packages is stated three times (in Rules, Writing the Description, and Checklist). The Version Synchronization section includes some infrastructure details (ARM Macs, registry namespaces, image variants) that are more reference material than actionable guidance. Otherwise reasonably efficient. | 2 / 3 |
Actionability | Provides a concrete, copy-paste-ready changeset file template, clear examples of good vs bad descriptions, specific bump type rules, and an actionable checklist. The guidance is specific enough that Claude can create a correct changeset without ambiguity. | 3 / 3 |
Workflow Clarity | The release automation flow is clearly sequenced (merge PR → Version Packages PR → publish steps). The changeset creation process is unambiguous with explicit rules. Validation is addressed through pre-commit hooks and CI enforcement mentions, and the checklist serves as a verification step before submission. | 3 / 3 |
Progressive Disclosure | The content is well-structured with clear sections and headers, but it's somewhat long for a single file with no references to supporting documents. The Version Synchronization details and release automation internals could be split into separate reference files. However, with no bundle files provided, this is a reasonable single-file approach. | 2 / 3 |
Total | 10 / 12 Passed |
Validation
100%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 11 / 11 Passed
Validation for skill structure
No warnings or errors.
- Repository
- cloudflare/sandbox-sdk
- Commit
3b58a22
- Reviewed
Table of Contents
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