---
title: "React Effects Guidelines - Air Market"
description: "React's useEffect gets reached for often and not always correctly. This is guidance on when a component genuinely needs one and when it does not. Reach for it while writing or reviewing a component a…"
canonical: "https://airmarket.ai/app/react-effects"
---

[Air Market](/) / [Developer Tools](/category/devtools) / React Effects Guidelines

Skill by [Coder](/@coder)

# React Effects Guidelines

Know when a React component actually needs an effect

## What this does

React's useEffect gets reached for often and not always correctly. This is guidance on when a component genuinely needs one and when it does not. Reach for it while writing or reviewing a component and you are not sure the effect belongs there.

### Top 3 things it does for you

- Decide whether this needs useEffect at all
- Check an effect you are unsure about

## Information

**React Effects Guidelines at a glance**

|  |  |
| --- | --- |
| Kind | Skill |
| Publisher | [Coder](/@coder) |
| Category | [Developer Tools](/category/devtools) |
| Works with | Agent Skills - an open standard supported by 40+ agents |
| Size | 3 KB |
| Licence | AGPL-3.0 |
| Repository | [coder/mux](https://github.com/coder/mux/tree/3917b6b770fc4b20875ab8aadc88dfe3f1046995/.mux/skills/react-effects) |
| GitHub stars | 1,981 (as of Nov 2026) |

## Security report

**Verified.** AIR scanned this exact version of React Effects Guidelines and flagged nothing. AIR's verdict: **safe**.

**What React Effects Guidelines's check was run against**

|  |  |
| --- | --- |
| Commit | 3917b6b770fc4b20875ab8aadc88dfe3f1046995 |
| Content hash | c127fbf69153b8bed2ed300e1fa4800c379854578eabe5583e891dd77ea70d71 |
| Files read | [Browse the files at this exact commit](https://github.com/coder/mux/blob/3917b6b770fc4b20875ab8aadc88dfe3f1046995/.mux/skills/react-effects/SKILL.md) |

A scan is named by the exact content it read, not by a version number. A different version is a different artifact, and nothing here applies to a version AIR has not scanned.

[Read the full security report for React Effects Guidelines](/security/react-effects)

## About React Effects Guidelines

Guidance on useEffect in React components: when to use it, and when to avoid it.

## What's inside

- SKILL.md - instructions

## Questions

### Is React Effects Guidelines safe to install?

AIR scanned this exact version of React Effects Guidelines and flagged nothing. AIR's verdict: safe. The verdict is named by the content that was read, at commit 3917b6b770fc, so it cannot drift onto a version nobody scanned. The full report is at https://airmarket.ai/security/react-effects.

### How do I install React Effects Guidelines?

Open https://airmarket.ai/app/react-effects on Air Market and use the install action: Air Market hands Claude a prompt naming this exact skill, and Claude sets it up. Source, pinned to the exact commit this listing describes: https://github.com/coder/mux/tree/3917b6b770fc4b20875ab8aadc88dfe3f1046995/.mux/skills/react-effects. Install from that link, not the branch.

## Related on Air Market

- [More Developer Tools listings](/category/devtools)
- [Everything by Coder](/@coder)

---

Canonical URL: <https://airmarket.ai/app/react-effects>