react-native-skills

React Native and Expo best practices for building performant mobile apps. Use when building React Native components, optimizing list performance, implementing animations, or working with native modules. Triggers on tasks involving React Native, Expo, mobile performance, or native platform APIs.

1.65x

Quality

79%

Does it follow best practices?

Impact

99%

1.65x

Average score across 3 eval scenarios

Securityby

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./plugins/react-native-skills/skills/react-native-skills/SKILL.md

Quality

Content

71%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A clean, well-structured catalog of React Native/Expo rules with concrete per-rule directives and a sound progressive-disclosure intent. Its main weakness is that the referenced rule files and AGENTS.md are not present in the bundle, breaking the disclosure chain it relies on.

Suggestions

Ship the referenced bundle (rules/*.md files and AGENTS.md) so the one-level-deep disclosure links actually resolve.

Collapse the priority table and the Quick Reference enumeration so each category appears once, reducing redundancy.

Add brief inline code snippets for the highest-priority (CRITICAL) list-performance rules so the most common cases are actionable without opening a rule file.

Dimension	Reasoning	Score
Conciseness	The body is a lean, well-organized index of rule names with one-line descriptors that assumes Claude's competence; not a 5 because the priority table and the numbered Quick Reference re-enumerate the same eight categories, a minor redundancy that could be trimmed.	4 / 5
Actionability	Each rule is a concrete directive naming specific tools (e.g., 'Use FlashList for large lists', 'Use expo-image for all images', 'Animate only transform and opacity'); not a 5 because executable code/examples are deferred to referenced rule files rather than shown inline.	4 / 5
Workflow Clarity	'When to Apply' plus 'How to Use' give a clear lookup-then-apply sequence for this reference skill; not a 5 because the usage workflow is thin and offers no guidance on selecting among overlapping rules.	4 / 5
Progressive Disclosure	Structure and signaling are good — a concise overview with clearly named one-level-deep references to 'rules/*.md' and 'AGENTS.md' — but no bundle files exist on disk, so the referenced paths are dangling and navigation is non-functional, capping the score.	3 / 5
	Total	15 / 20 Passed

Description

87%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 strong, third-person description that clearly states capabilities and explicit trigger conditions with natural user-facing keywords. Minor room to sharpen the listed actions and add synonym-level terms.

Dimension	Reasoning	Score
Specificity	Lists several concrete actions — 'building React Native components, optimizing list performance, implementing animations, or working with native modules' — giving broad but not fully comprehensive coverage; not a 5 because the actions are somewhat generic and lack finer-grained specifics.	4 / 5
Completeness	Explicitly answers both what ('React Native and Expo best practices for building performant mobile apps') and when with concrete triggers ('Use when building...', 'Triggers on tasks involving...'), matching the 5-anchor.	5 / 5
Trigger Term Quality	Good natural-term coverage with 'React Native', 'Expo', 'mobile performance', and 'native platform APIs' that users would actually say; not a 5 because common synonyms and concrete extension/file cues are absent.	4 / 5
Distinctiveness Conflict Risk	Occupies a clear niche (React Native/Expo mobile) with distinct triggers and minimal overlap risk with other skills; matches the 5-anchor.	5 / 5
	Total	18 / 20 Passed

Validation

100%

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 — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository: secondsky/claude-skills
Path: plugins/react-native-skills/skills/react-native-skills/SKILL.md
Commit: 84802a4

Reviewed: 5 days ago

Table of Contents

Discovery Implementation Validation

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