How do I install the You Might Not Need An Effect skill?

Run npx skillmds@latest add majiayu000/you-might-not-need-an-effect in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is You Might Not Need An Effect safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with You Might Not Need An Effect?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is You Might Not Need An Effect free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published You Might Not Need An Effect?

majiayu000 (@majiayu000) published this skill. Their other Agent Skills are listed on their SkillMD profile.

You Might Not Need An Effect

Name: You Might Not Need An Effect
Rating: 4.2 (5 reviews)
Author: majiayu000

Review React code for unnecessary useEffect usage based on react.dev guidelines. Analyses code for useEffect anti-patterns and optionally applies fixes. Use when reviewing React code quality or refactoring effects.

majiayu000 Updated Sep 9, 2026 567 repo stars

Web & Frontend

Install

Press C to copy

$ npx skillmds@latest add majiayu000/you-might-not-need-an-effect

Installs into ~/.claude/skills (or .claude/skills inside a project). Restart Claude Code to pick it up.

Download .zip

＋ Add to plugin

README badge

[![SkillMD](https://skillmd.com/badge/majiayu000/you-might-not-need-an-effect.svg)](https://skillmd.com/skills/majiayu000/you-might-not-need-an-effect)

Trust & safety

2 of 3 audits passed

Last audited Sep 24, 2026 · commit 1702fc6

Permissions this skill uses

Makes network calls
The instructions fetch remote URLs or call external services.

Works with: Claude Code Claude.ai OpenAI Codex +

File contents

Arguments:

scope: what to analyze (default: your current changes). Examples: "diff to main", "PR #123", "src/components/", "whole codebase"
fix: whether to apply fixes (default: true). Set to false to only propose changes.

Steps:

Read https://react.dev/learn/you-might-not-need-an-effect to understand the guidelines
Analyze the specified scope for useEffect anti-patterns
If fix=true, apply the fixes. If fix=false, propose the fixes without applying.

majiayu000/claude-skill-registry-data/tree/main/data/you-might-not-need-an-effect commit 1702fc6b97

Frequently asked questions

npx skillmds@latest add majiayu000/you-might-not-need-an-effect