frontend-design SKILL.md skillA

frontend-design from harnessprotocol/harness-kit is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add harnessprotocol/harness-kit/frontend-design@git:20260727.f61816c

Pins git:20260727.f61816c in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
harnessprotocol/harness-kit
Path
plugins/frontend-design/skills/frontend-design/SKILL.md
Versions recorded
2
Latest version
git:20260727.f61816c, committed Jul 27, 2026
First version recorded
Mar 18, 2026
Size
13,623 bytes
Repository stars
10
License
Apache-2.0

Use when user asks to build a web component, page, or application, or when the task involves frontend design, HTML/CSS generation, or UI layout. Applies specific rules for typography, OKLCH color, layout, motion, interaction, and UX writing to produce distinctive, production-grade interfaces that avoid generic AI aesthetics.

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

This skill guides creation of distinctive, production-grade frontend interfaces that avoid generic "AI slop" aesthetics. Implement real working code with exceptional attention to aesthetic details and creative choices.

## Context Gathering Protocol

Design without project context produces generic output. Before designing anything:

1. **Check for existing context**: If your loaded instructions contain a **Design Context** section, use it.
2. **Ask if missing**: You need at minimum — *target audience*, *use cases*, *brand personality/tone*. Code tells you what was built, not who it's for or what it should feel like. Ask before generating.

## The AI Slop Test

Before shipping: "If someone saw this and said 'AI made this,' would they believe it immediately?"

If yes — fix it. The recurring fingerprints of AI-generated work:
- Inter font, Roboto, Open Sans, Arial, or system defaults
- Purple-to-blue gradients; cyan-on-dark; neon accents on dark backgrounds
- Gray text on colored backgrounds
- Glassmorphism used decoratively (blur cards, glow borders)
- Pure black (#000) or pure white (#fff) anywhere
- Everything wrapped in cards; cards nested inside cards; identical card grids
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add harnessprotocol/harness-kit/frontend-design@sha256:91d5b00b08e9aebe

The line at the top of this page pins the label git:20260727.f61816c, 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ixgkzfci67vrk7wt.svg)](https://markdownregistry.com/a/art_ixgkzfci67vrk7wt)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, between Mar 18, 2026 and Jul 27, 2026, about one every 132 days.

versioncommittedcommitsizeaudit
git:20260727.f61816c latest2026-07-27 f61816c 13,623 BA view · diff
git:20260318.8868ee32026-03-18 8868ee3 13,630 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (13623 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

GitHub

harnessprotocol/harness-kit · 10 stars · license Apache-2.0 · pushed 2026-11-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ixgkzfci67vrk7wt
GET https://markdownregistry.com/api/v1/resolve?ref=harnessprotocol/harness-kit/frontend-design
GET https://markdownregistry.com/api/v1/blob/91d5b00b08e9aebe0263a1ee90a8963f119b1c4de5059ebb332cd7afeb13adda

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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Every file in harnessprotocol/harness-kit

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