Implements push notifications across iOS, Android, and web using Firebase Cloud Messaging and native services. Use when adding notification capabilities, handling background messages, or setting up notification channels.
92
89%
Does it follow best practices?
Impact
98%
1.15xAverage score across 3 eval scenarios
Advisory
Suggest reviewing before use
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 a well-crafted skill description that excels across all dimensions. It provides specific capabilities, includes natural trigger terms users would actually say, explicitly states both what it does and when to use it, and carves out a distinct niche around push notification implementation.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'implements push notifications', 'Firebase Cloud Messaging', 'native services', 'handling background messages', 'setting up notification channels' across three platforms (iOS, Android, web). | 3 / 3 |
Completeness | Clearly answers both what ('Implements push notifications across iOS, Android, and web using Firebase Cloud Messaging and native services') AND when ('Use when adding notification capabilities, handling background messages, or setting up notification channels'). | 3 / 3 |
Trigger Term Quality | Includes natural keywords users would say: 'push notifications', 'iOS', 'Android', 'web', 'Firebase', 'FCM' (implied), 'background messages', 'notification channels'. These cover common variations users would naturally mention. | 3 / 3 |
Distinctiveness Conflict Risk | Clear niche focused specifically on push notifications with Firebase/native services. The combination of platform specificity (iOS, Android, web) and technology (FCM, notification channels) makes it unlikely to conflict with other skills. | 3 / 3 |
Total | 12 / 12 Passed |
Implementation
79%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 with excellent code examples across three platforms. The content is concise and respects Claude's intelligence. However, it lacks explicit setup workflow steps (Firebase project configuration, testing procedures) and could benefit from references to deeper documentation for advanced topics mentioned in best practices.
Suggestions
Add a brief workflow section outlining the full setup sequence: 1) Firebase project setup, 2) Platform configuration, 3) Code implementation, 4) Testing on real device
Include validation steps such as how to verify token registration succeeded and how to test notifications during development
Consider linking to separate files for advanced topics like deep linking implementation and Android notification channel setup
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is lean and efficient, providing only executable code examples without explaining what push notifications are or how Firebase works. Every section delivers actionable code. | 3 / 3 |
Actionability | All code examples are complete and executable across three platforms (React Native, iOS Swift, Android Kotlin). The examples cover permission requests, token handling, and message reception with copy-paste ready implementations. | 3 / 3 |
Workflow Clarity | While the code examples are clear, there's no explicit workflow sequence for the full setup process (e.g., Firebase console setup, app configuration, testing steps). The 'Best Practices' section lists items without validation checkpoints or error recovery guidance. | 2 / 3 |
Progressive Disclosure | Content is well-organized by platform with clear headers, but for a topic this broad (three platforms, multiple concerns like deep linking, channels), there could be references to separate detailed guides. The best practices section hints at topics (deep linking, notification channels) that deserve their own documentation. | 2 / 3 |
Total | 10 / 12 Passed |
Validation
90%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 10 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 10 / 11 Passed | |
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Table of Contents
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