frontend-design

frontend-design is a skill for Codex from PaulRBerg/agent-skills. It costs 48 tokens per session (1,288 once invoked), scanned A, original, MIT.

A set of instructions for designing and building web interfaces such as landing pages, dashboards, and reusable components. It also checks the result in the rendered page.

In plain words
What is it for?
Use it for new frontend pages, major redesigns, UI reviews, and visual implementation checks.
Why use it?
It helps turn a design request into a consistent, responsive interface while accounting for accessibility and the existing project setup.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: mentions Claude Code; mentions Codex.

Good fit Use it for new frontend pages, major redesigns, UI reviews, and visual implementation checks.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/paulrberg/agent-skills/frontend-design
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add PaulRBerg/agent-skills --skill frontend-design
Clone the repo
git clone --depth 1 https://github.com/PaulRBerg/agent-skills

Made for: Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for frontend-design

README.md
[![agentmods](https://agentmods.dev/badge/skills/paulrberg/agent-skills/frontend-design/github.svg)](https://agentmods.dev/skills/paulrberg/agent-skills/frontend-design)
Your own site
<a href="https://agentmods.dev/skills/paulrberg/agent-skills/frontend-design"><img src="https://agentmods.dev/badge/skills/paulrberg/agent-skills/frontend-design/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for frontend-design

Your own site · 80×15
<a href="https://agentmods.dev/skills/paulrberg/agent-skills/frontend-design"><img src="https://agentmods.dev/badge/skills/paulrberg/agent-skills/frontend-design.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,288 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00048 $0.01288
Opus 5 $0.00024 $0.00644
Sonnet 5 $0.00010 $0.00258
Haiku 4.5 $0.00005 $0.00129

Measured 11d ago against content hash 5ba433170029, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

frontend-design scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/frontend-design/SKILL.md · 110 lines

How it starts

The opening of the file, as written. The whole thing — 110 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Frontend Design

Create a working frontend with a clear, subject-specific point of view, then prove it in the rendered UI.

Contract

  • For a critique, review, or design plan, inspect the relevant product and report the direction without editing files.
  • For a build or redesign, make the requested in-scope changes and run local, non-destructive validation.
  • Treat explicit user direction, supplied references, repository instructions, existing product behavior, and the local design system as authoritative. Fidelity requests override this skill's defaults.
  • Preserve the stack and working behavior. Do not replace the framework or design system, add dependencies, invent features, or fetch or generate media unless the request requires it.
  • Make the smallest defensible assumption when the subject, audience, or page job is missing. State it before building; ask only when the answer would materially change scope or identity.

Workflow

1. Read the product before drawing the page

Inspect the affected route or component, neighboring UI, tokens, typography, assets, dependencies, and repository validation commands. Identify:

  • the concrete subject and audience;
  • the screen's single primary job and content hierarchy;
  • the existing visual language and interaction conventions;
  • the required viewports, themes, states, and accessibility constraints.

Use real product content and supplied assets wherever possible. If copy is missing, write only what the user needs to understand the interface and act.

2. Set one art direction

Before coding, define a compact direction:

  • Thesis: one sentence connecting the visual idea to the subject and screen job.
  • System: role-based color tokens, explicit type roles and scale, spacing and density, and a layout principle.
  • Signature: one memorable element drawn from the domain's objects, workflows, data shapes, environments, or language.
  • Risk: one deliberate departure from the obvious solution, with a reason it serves this brief.
  • Motion and copy: when motion helps, how the interface speaks, and where restraint matters.

Read the full file on GitHub · 110 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 110 lines · 48 tokens per session scan A 5ba433170029

Subscribe to this mod's changes

frontend-design is a skill published in the GitHub repository PaulRBerg/agent-skills (70 stars, last pushed today), licensed MIT. It adds 48 tokens to every session and 1,288 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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