frontend-design

frontend-design is a skill for Claude Code from opensesh/DESIGN-OPS. It costs 26 tokens per session (2,275 once invoked), scanned A, original, Apache-2.0.

A set of design guidance for building and reviewing website and app interfaces. It covers visual style, layouts, interactions, motion, forms, accessibility, and performance.

In plain words
What is it for?
Use it to build UI components and pages, choose a visual direction, plan how interactions should work, or review the quality of an existing interface.
Why use it?
It helps prevent frontend work from looking unfinished or generic. It gives the agent a way to make design choices before writing code and check whether an interface is usable.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the design-ops plugin — 5 skills, 13 commands shipped together

Good fit Use it to build UI components and pages, choose a visual direction, plan how interactions should work, or review the quality of an existing interface.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/opensesh/design-ops/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 opensesh/DESIGN-OPS --skill frontend-design
Clone the repo
git clone --depth 1 https://github.com/opensesh/DESIGN-OPS

Made for: Claude Code.

Or install design-ops, the plugin that ships this one along with the rest of its 5 skills, 13 commands.

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/opensesh/design-ops/frontend-design/github.svg)](https://agentmods.dev/skills/opensesh/design-ops/frontend-design)
Your own site
<a href="https://agentmods.dev/skills/opensesh/design-ops/frontend-design"><img src="https://agentmods.dev/badge/skills/opensesh/design-ops/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/opensesh/design-ops/frontend-design"><img src="https://agentmods.dev/badge/skills/opensesh/design-ops/frontend-design.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 26 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,275 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.
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 $0.00026 $0.02275
Opus 5 $0.00013 $0.01137
Sonnet 5 $0.00005 $0.00455
Haiku 4.5 $0.00003 $0.00228

Measured 10d ago against content hash a1779391a76a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, 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 10d 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 · 374 lines

How it starts

The opening of the file, as written. The whole thing — 374 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Frontend Design

Create distinctive, production-grade frontend interfaces with intentional aesthetics.

Purpose

This skill guides creation of frontend interfaces that feel genuinely designed—not auto-generated. It covers design thinking, interaction patterns, motion, forms, layout, accessibility, and performance.

When to Activate

Use this skill when:

  • Building UI components or pages
  • Making design decisions for frontend work
  • Reviewing UI implementation quality
  • Planning interaction patterns

1. Design Thinking

Before writing any code, establish your design intent:

Purpose & Context

What problem are we solving? Who uses this? Think about the user's emotional state, their goals, and what success looks like.

Aesthetic Direction

Choose a clear visual direction:

Direction Feel When to Use
Warm Minimal Clean, inviting, focused Dashboard UIs, tools, productivity
Editorial Magazine-like, typographic Content-heavy pages, portfolios
Soft/Organic Rounded, gentle, approachable Consumer apps, onboarding
Industrial/Raw Utilitarian, honest, functional Developer tools, technical docs
Luxury/Refined Spacious, elegant, deliberate Brand sites, premium products

Key insight: Bold maximalism and refined minimalism both work—the magic is in commitment, not intensity.

The Memorable Detail

Ask yourself: What's the one thing someone will remember about this interface? Maybe it's a delightful hover state, an unexpected color choice, or how perfectly the typography flows.


2. Design System Integration

Color Philosophy

/* Use semantic tokens, not arbitrary colors */
--bg-primary      /* Main background */
--bg-secondary    /* Elevated surfaces */
--fg-primary      /* Primary text */
--fg-secondary    /* Secondary text */
--border-primary  /* Interactive borders */
--border-secondary /* Container borders */
--brand-primary   /* Accent/CTA color */

Read the full file on GitHub · 374 lines

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. 10d ago First seen · 374 lines · 26 tokens per session scan A a1779391a76a

Subscribe to this mod's changes

frontend-design is a skill published in the GitHub repository opensesh/DESIGN-OPS (23 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 26 tokens to every session and 2,275 once invoked, about $0.0001 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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