ui SKILL.md skillA

ui from wellwelwel/lagune is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add wellwelwel/lagune/ui@v1.0.0

Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
wellwelwel/lagune
Path
.claude/skills/ui/SKILL.md
Versions recorded
1
Latest version
v1.0.0, committed Oct 3, 2026
Size
10,115 bytes
Repository stars
173
License
MIT

Design engineering principles for making interfaces feel polished. Use when building UI, reviewing frontend code, or working on any visual detail, from animations, hover states, shadows, borders, and typography to optical alignment and tabular numbers.

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

# Details that make interfaces feel better

Great interfaces rarely come from a single thing. It's usually a collection of small details that compound into a great experience. Apply these principles when building or reviewing UI code.

## Quick Reference

| Category                      | When to Use                                                       |
| ----------------------------- | ----------------------------------------------------------------- |
| [Typography](typography.md)   | Text wrapping, font smoothing, tabular numbers                    |
| [Surfaces](surfaces.md)       | Border radius, optical alignment, shadows, hit areas              |
| [Animations](animations.md)   | Interruptible animations, enter/exit transitions, icon animations |
| [Performance](performance.md) | Transition specificity, `will-change` usage                       |

## Core Principles

### 1. Concentric Border Radius

Outer radius = inner radius + padding. Mismatched radii on nested elements is the most common thing that makes interfaces feel off.

### 2. Optical Over Geometric Alignment
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add wellwelwel/lagune/ui@sha256:3466cf8aa4794548

The line at the top of this page pins the label v1.0.0, 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_xrdh75fwehqvwx6j.svg)](https://markdownregistry.com/a/art_xrdh75fwehqvwx6j)

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

Versions

The registry has recorded 1 version of this file, committed on Oct 3, 2026.

versioncommittedcommitsizeaudit
v1.0.0 latest2026-10-03 a61876d 10,115 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 (10115 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

wellwelwel/lagune · 173 stars · license MIT · pushed 2026-10-15 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_xrdh75fwehqvwx6j
GET https://markdownregistry.com/api/v1/resolve?ref=wellwelwel/lagune/ui
GET https://markdownregistry.com/api/v1/blob/3466cf8aa479454832ae838b7301b7a0c93f1e2a5c0d53bbebd4328d6d05460c

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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