react-effects-audit SKILL.md skillA
react-effects-audit from fusengine/agents is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add fusengine/agents/react-effects-audit@git:20260729.3b91eedPins git:20260729.3b91eed in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- fusengine/agents
- Path
plugins/ai-pilot/skills/react-effects-audit/SKILL.md- Versions recorded
- 4
- Latest version
- git:20260729.3b91eed, committed Jul 29, 2026
- First version recorded
- Feb 18, 2026
- Size
- 5,250 bytes
- Repository stars
- 34
- License
- MIT
Use when auditing React or Next.js components for unnecessary or unsafe useEffect usage -- detects 9 anti-patterns from "You Might Not Need an Effect".
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
<objective>
React Effects Audit scans a target file or directory for the 9 `useEffect` anti-patterns described in React's official "You Might Not Need an Effect" guidance -- derived state, expensive calculations, state resets, event logic, parent notification, effect chains, missing fetch cleanup, manual store subscriptions, and app-init logic -- each flagged with a severity (CRITICAL/WARNING/INFO), its exact location, and a proposed fix.
When the target is a Next.js or React project, it cross-references the matching SOLID skill (`solid-nextjs` or `solid-react`) to also catch architecture-level violations like data-fetching Effects that should be Server Components or TanStack Query instead. It never auto-fixes without showing the finding first.
</objective>
**Target:** $ARGUMENTS
# React Effects Audit
## Overview
Scan React codebases to detect unnecessary `useEffect` usage based on official React documentation ("You Might Not Need an Effect"). Reports anti-patterns with severity, location, and recommended fixes.
---
## Agent Workflow (MANDATORY)
```
PHASE 1: Scan target files (Glob *.tsx, *.jsx, *.ts, *.js)
PHASE 2: Detect anti-patterns (Grep detection rules)
…Read the whole file at its exact version.
How to install
mdr add fusengine/agents/react-effects-audit@sha256:cffffaa9daba1279The line at the top of this page pins the label git:20260729.3b91eed, 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.
[](https://markdownregistry.com/a/art_uzshsufbe7nckx36)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 4 versions of this file, between Feb 18, 2026 and Jul 29, 2026, about one every 54 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260729.3b91eed latest | 2026-07-29 | 3b91eed | 5,250 B | A | view · diff |
| git:20260705.ba8ee52 | 2026-07-05 | ba8ee52 | 4,578 B | A | view · diff |
| git:20260705.8c2f9bc | 2026-07-05 | 8c2f9bc | 4,574 B | A | view · diff |
| git:20260218.c55ec68 | 2026-02-18 | c55ec68 | 4,484 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (5250 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
fusengine/agents · 34 stars · license MIT · pushed 2026-10-30 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_uzshsufbe7nckx36 GET https://markdownregistry.com/api/v1/resolve?ref=fusengine/agents/react-effects-audit GET https://markdownregistry.com/api/v1/blob/cffffaa9daba1279d3ee9a4ce9839b644bd5569189abd19a7b8976751433bf3d
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
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