coding-standards
Provides coding standards for React Native — performance patterns, consistency rules, and clean React architecture. Use when writing, modifying, or reviewing code.
Best for React Native development te…Works with GitHubLow risk
⌘source
- author
@Expensify- repo
- Expensify/App
- language
- TypeScript
★4.8kstars
3.7kforks
Apr 22, 2026
✦overview.md
Key Features
- ·Performance optimization patterns for React Native
- ·Consistency rules including platform checks and ESLint discipline
- ·Clean React architecture and composition guidelines
- ·Standalone rule files with reasoning and examples
- ·Applicability conditions for each standard
- ·Covers writing, modifying, and reviewing code
Use Cases
- →Reviewing React Native code for performance issues
- →Writing new React Native components following established patterns
- →Refactoring existing code to improve consistency and maintainability
- →Training new developers on team coding standards
- →Enforcing architectural decisions during code reviews
Best for
- ✓React Native development teams
- ✓Code review processes
- ✓Maintaining large codebases
Not ideal for
- !Non-React Native projects
- !Teams without established code review practices
FAQs
name
coding-standards
description
Provides coding standards for React Native — performance patterns, consistency rules, and clean React architecture. Use when writing, modifying, or reviewing code.
alwaysApply:true
Expensify Coding Standards
Coding standards for the Expensify App. Each standard is a standalone file in rules/ with reasoning, examples, and applicability conditions.
Categories
| Category | Prefix | Focus |
|---|---|---|
| Performance | PERF-* | Render optimization, memo patterns, useEffect hygiene, data selection |
| Consistency | CONSISTENCY-* | Platform checks, magic values, unused props, ESLint discipline |
| Clean React Patterns | CLEAN-REACT-PATTERNS-* | Composition, component ownership, state structure |
Quick Reference
Performance
$install
1-click copynpx skills add Expensify/App --skill coding-standardsSafety assessment
★
Clarity score
How clear and easy to understand the SKILL.md instructions are, rated from 1 to 5.
5/ 5
excellentVery clear and well structured, with almost no room for misunderstanding.
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Actionability score
How directly an agent can act on the SKILL.md instructions, rated from 1 to 5.
5/ 5
very highHighly actionable with clear, concrete steps that an agent can follow directly.