react-best-practices SKILL.md skillA

react-best-practices from tdimino/claude-code-minoan is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add tdimino/claude-code-minoan/react-best-practices@git:20260416.4e43d41

Pins git:20260416.4e43d41 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
tdimino/claude-code-minoan
Path
skills/core-development/react-best-practices/SKILL.md
Versions recorded
2
Latest version
git:20260416.4e43d41, committed Apr 16, 2026
First version recorded
Jan 17, 2026
Size
3,062 bytes
Repository stars
41
License
MIT

Apply React and Next.js performance optimization guidelines from Vercel Engineering — 40+ rules covering components, data fetching, bundle optimization, and rendering. Triggers on React components, Next.js pages, bundle optimization, performance improvements, refactoring React code.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# React Best Practices

## Overview

Comprehensive performance optimization guide for React and Next.js applications, containing 40+ rules across 8 categories. Rules are prioritized by impact to guide automated refactoring and code generation.

## When to Apply

Reference these guidelines when:
- Writing new React components or Next.js pages
- Implementing data fetching (client or server-side)
- Reviewing code for performance issues
- Refactoring existing React/Next.js code
- Optimizing bundle size or load times

## Priority-Ordered Guidelines

Rules are prioritized by impact:

| Priority | Category | Impact |
|----------|----------|--------|
| 1 | Eliminating Waterfalls | CRITICAL |
| 2 | Bundle Size Optimization | CRITICAL |
| 3 | Server-Side Performance | HIGH |
| 4 | Client-Side Data Fetching | MEDIUM-HIGH |
| 5 | Re-render Optimization | MEDIUM |
| 6 | Rendering Performance | MEDIUM |
| 7 | JavaScript Performance | LOW-MEDIUM |
| 8 | Advanced Patterns | LOW |

## Quick Reference

### Critical Patterns (Apply First)

**Eliminate Waterfalls:**
- Defer await until needed (move into branches)
- Use `Promise.all()` for independent async operations
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add tdimino/claude-code-minoan/react-best-practices@sha256:cfdbfd1a1a71664b

The line at the top of this page pins the label git:20260416.4e43d41, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_j7rc227ycgsos64v.svg)](https://markdownregistry.com/a/art_j7rc227ycgsos64v)

5 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, between Jan 17, 2026 and Apr 16, 2026, about one every 89 days.

versioncommittedcommitsizeaudit
git:20260416.4e43d41 latest2026-04-16 4e43d41 3,062 BA view · diff
git:20260117.8c49b5a2026-01-17 8c49b5a 3,106 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (3062 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

tdimino/claude-code-minoan · 41 stars · license MIT · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_j7rc227ycgsos64v
GET https://markdownregistry.com/api/v1/resolve?ref=tdimino/claude-code-minoan/react-best-practices
GET https://markdownregistry.com/api/v1/blob/cfdbfd1a1a71664bd3bc08ee45b414711bea648b0793b60c88b9a4f29b148db5

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