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Agent skill

Nextjs Styling

by HoangNguyen0403 in HoangNguyen0403/agent-skills-standard

Implement zero-runtime CSS with Tailwind, CSS Modules, and the cn() utility for RSC-compatible styling in Next.js.

MITAuto-check passedFrontend & Design

Install Nextjs Styling

skills CLI
$ npx skills add HoangNguyen0403/agent-skills-standard --skill nextjs-styling -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install HoangNguyen0403/agent-skills-standard nextjs-styling --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/nextjs/nextjs-styling .claude/skills/nextjs-styling && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
nextjs-styling
GitHub stars
572
Token cost
~703 tokens
SKILL.md length
241 words
Files
6 (incl. references)
Skills in repo
211
Repo updated
First seen
Licence
MIT

At a glance

Implement zero-runtime CSS with Tailwind, CSS Modules, and the cn() utility for RSC-compatible styling in Next.js.

  • Works in 4 steps: Choose library — Tailwind/shadcn… → Create cn utility — Combine clsx +… → Configure fonts — Use next/font for… → …
  • Choosing a styling library
  • SKILL.md covers Priority: P1 (HIGH), Workflow: Set Up Styling, cn Utility Example and Library Selection, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Nextjs Styling is an agent skill from HoangNguyen0403/agent-skills-standard. Implement zero-runtime CSS with Tailwind, CSS Modules, and the cn() utility for RSC-compatible styling in Next.js. Use when choosing a styling library, creating dynamic class utilities, or optimizing fonts with next/font.

Its SKILL.md is about 700 tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files, including reference files (for example `evals/evals.json`, `references/ant-design.md` and `references/implementation.md`).

It sits in Frontend & Design, covering CSS and styling and Design systems. It works with Next.js, Tailwind CSS, Ant Design and shadcn/ui. The repository describes itself as: A collection of Agent Skills Standard and Best Practice for Programming Languages, Frameworks that help our AI Agent follow best practies on frameworks and programming laguages. The licence is MIT.

When your agent uses it

  • Choosing a styling library
  • Creating dynamic class utilities
  • Optimizing fonts with next/font

Example prompts

  • “/nextjs-styling”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Choose library — Tailwind/shadcn (preferred), CSS Modules (scoped), or Ant Design (with client wrappers).
  2. Create cn utility — Combine clsx + tailwind-merge for dynamic classes.
  3. Configure fonts — Use next/font for zero-CLS self-hosted fonts.
  4. Set image dimensions — Always specify width/height or fill on .

What it can do on your machine

Read from SKILL.md and the folder at commit b529c2d. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Nextjs Styling loads about 703 tokens when it runs, and up to ~1.8k if it reads all its reference files. Until then it costs about 59 tokens; SKILL.md has 241 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~59
When it runs · the whole SKILL.md, loaded when a task matches
~703
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.8k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from HoangNguyen0403/agent-skills-standard at commit b529c2d, republished under its MIT licence (© HoangNguyen0403). 241 words, ~703 tokens.

Download SKILL.mdSave it as .claude/skills/nextjs-styling/SKILL.md (or your agent's skills folder). This skill also uses 5 other files; get the full folder from GitHub.
name
nextjs-styling
description
Implement zero-runtime CSS with Tailwind, CSS Modules, and the cn() utility for RSC-compatible styling in Next.js. Use when choosing a styling library, creating dynamic class utilities, or optimizing fonts with next/font.

Styling & UI Performance

Priority: P1 (HIGH)

Prioritize Zero-Runtime CSS for Server Components.

Workflow: Set Up Styling

  1. Choose library — Tailwind/shadcn (preferred), CSS Modules (scoped), or Ant Design (with client wrappers).
  2. Create cn utility — Combine clsx + tailwind-merge for dynamic classes.
  3. Configure fonts — Use next/font for zero-CLS self-hosted fonts.
  4. Set image dimensions — Always specify width/height or fill on <Image>.

cn Utility Example

See implementation examples

Library Selection

LibraryVerdictReason
Tailwind / shadcnPreferred (P1)Zero-runtime, RSC compatible. Best for App Router.
CSS Modules / SCSSRecommendedScoped, zero-runtime. Good for legacy projects.
Ant DesignSupportedUse with Client Component wrappers for RSCs.
MUI / Chakra (Runtime)AvoidForces use client widely. Degrades performance.

Library Patterns

For specific library setups, see:

Patterns

  1. Dynamic Classes: Use clsx + tailwind-merge (cn utility).
  1. Font Optimization: Use next/font to prevent Cumulative Layout Shift (CLS).
  1. CLS Prevention: Always specify width/height on images.

Anti-Patterns

  • No runtime CSS-in-JS with RSC: MUI/Chakra force 'use client'; prefer Tailwind or CSS Modules.
  • No <img> without dimensions: Always set width/height or use fill to prevent CLS.
  • No hardcoded conditional classes: Use clsx+tailwind-merge (cn) for dynamic styles.
  • No Google Fonts <link> tag: Use next/font for zero-CLS self-hosted fonts.

Canonical response anchors

When this skill applies, preserve the following domain terminology or equivalent concrete examples in the answer when relevant:

  • Fix with next/image — always specify width and height or use fill prop,always

© HoangNguyen0403, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 5 other files (references) in skills/nextjs/nextjs-styling of HoangNguyen0403/agent-skills-standard.

  • SKILL.md
  • evals/evals.json
  • references/ant-design.md
  • references/implementation.md
  • references/scss.md
  • references/tailwind.md

Open the folder on GitHubat commit b529c2d

Compare with similar skills

Nextjs Styling next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Nextjs Styling compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Nextjs Styling this skillHoangNguyen0403/agent-skills-standard572—~703Automated safety check: PassMIT
Cosscrafter-station/petdex4.2k—~1.4kAutomated safety check: PassMIT
Stream Builderadrianhajdin/react-native-lingua152—~5.4kAutomated safety check: NotesNone
Shadcn Tailwind UILiarMTTT/TavernWeave154—~1.7kAutomated safety check: PassCustom licence
Oma Frontendfirst-fluke/oh-my-agent1.3k—~2.5kAutomated safety check: PassMIT
Aceternity UIsecondsky/claude-skills227—~4.7kAutomated safety check: PassMIT

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Works with

Categories

Questions about Nextjs Styling

What does Nextjs Styling do?

Implement zero-runtime CSS with Tailwind, CSS Modules, and the cn() utility for RSC-compatible styling in Next.js. Nextjs Styling is an agent skill from HoangNguyen0403/agent-skills-standard.js.

When should I use Nextjs Styling?

Nextjs Styling fits situations like: choosing a styling library; creating dynamic class utilities; optimizing fonts with next/font.

How do I install Nextjs Styling in Claude Code?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill nextjs-styling -a claude-code`. Or copy the skill folder (skills/nextjs/nextjs-styling in HoangNguyen0403/agent-skills-standard) into .claude/skills/nextjs-styling in your project. Claude Code loads it when a task matches its description.

How do I install Nextjs Styling in Codex?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill nextjs-styling -a codex`. Or copy the skill folder (skills/nextjs/nextjs-styling in HoangNguyen0403/agent-skills-standard) into .agents/skills/nextjs-styling in your project. Codex loads it when a task matches its description.

Can I use Nextjs Styling in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add HoangNguyen0403/agent-skills-standard --skill nextjs-styling -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/nextjs-styling, .gemini/skills/nextjs-styling, .github/skills/nextjs-styling and .opencode/skills/nextjs-styling in your project.

What does Nextjs Styling need to run?

SKILL.md names no scripts, command-line tools or credentials: Nextjs Styling is instructions for the agent only.

Does Nextjs Styling access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Nextjs Styling safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Nextjs Styling use?

Nextjs Styling is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Nextjs Styling use?

About 703 tokens (SKILL.md is roughly 2.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.1k tokens, read only when the agent opens those files.

What are the alternatives to Nextjs Styling?

Skills that share tags, products or a category with Nextjs Styling: Coss (crafter-station/petdex, 4.2k stars), Stream Builder (adrianhajdin/react-native-lingua, 152 stars), Shadcn Tailwind UI (LiarMTTT/TavernWeave, 154 stars) and Oma Frontend (first-fluke/oh-my-agent, 1.3k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Nextjs Styling?

HoangNguyen0403 (a GitHub user) maintains it in HoangNguyen0403/agent-skills-standard, which has 572 GitHub stars. The repository holds 211 skills in this directory. The repository was last updated on October 9, 2026.

Source: HoangNguyen0403/agent-skills-standard on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.