Control Spotify playback on macOS. Play/pause, skip tracks, control volume, play artists/albums/playlists. Use when a user asks to play music, control Spotify, change songs, or adjust Spotify volume.
98
Quality
100%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Passed
No known issues
Quality
Discovery
100%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 an excellent skill description that follows best practices. It uses third person voice, lists specific concrete actions, includes a clear 'Use when...' clause with natural trigger terms, and is clearly distinguishable from other skills by targeting Spotify specifically on macOS.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'Play/pause, skip tracks, control volume, play artists/albums/playlists' - these are clear, actionable capabilities. | 3 / 3 |
Completeness | Clearly answers both what ('Control Spotify playback on macOS' with specific actions) AND when ('Use when a user asks to play music, control Spotify, change songs, or adjust Spotify volume'). | 3 / 3 |
Trigger Term Quality | Includes natural keywords users would say: 'play music', 'control Spotify', 'change songs', 'adjust Spotify volume', plus specific actions like 'skip tracks' and 'play/pause'. | 3 / 3 |
Distinctiveness Conflict Risk | Very clear niche - specifically targets Spotify on macOS with distinct triggers like 'Spotify', 'play music', 'change songs'. Unlikely to conflict with other skills due to platform and application specificity. | 3 / 3 |
Total | 12 / 12 Passed |
Implementation
100%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is an excellent, well-crafted skill that exemplifies token efficiency and actionability. It provides complete, executable commands without any unnecessary explanation, assumes Claude's competence, and organizes information logically. The 'Play by Name' workflow cleverly uses web search to find Spotify IDs without requiring API access.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | Extremely lean and efficient. No unnecessary explanations of what Spotify is or how CLI tools work. Every line provides actionable information. | 3 / 3 |
Actionability | Provides fully executable bash commands and AppleScript examples that are copy-paste ready. The 3-step process for playing by name is concrete with real ID examples. | 3 / 3 |
Workflow Clarity | For this simple skill, the workflow is clear. The 'Play by Name' section has explicit numbered steps. No destructive operations requiring validation checkpoints. | 3 / 3 |
Progressive Disclosure | Well-organized with clear sections (Commands, Play by Name, Notes). Under 50 lines with no need for external references. Content is appropriately structured for its scope. | 3 / 3 |
Total | 12 / 12 Passed |
Validation
81%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 9 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
metadata_version | 'metadata.version' is missing | Warning |
metadata_field | 'metadata' should map string keys to string values | Warning |
Total | 9 / 11 Passed | |
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