ux-patterns

ux-patterns is a skill for Claude Code from uwuclxdy/agenticat. It costs 29 tokens per session (7,907 once invoked), scanned A, original, MIT.

A set of interaction-design rules for web interfaces. It covers screen states, feedback, form validation, error messages, undo, confirmation, and accessibility.

In plain words
What is it for?
Designing or reviewing web forms, loading and error states, feedback messages, undo and confirmation flows, accessibility behavior, and mobile changes.
Why use it?
It helps make interface behavior understandable and usable, including when forms fail or actions have important consequences.

Skill for Claude Code

Written for Claude Code: when-to-use in frontmatter.

Good fit Designing or reviewing web forms, loading and error states, feedback messages, undo and confirmation flows, accessibility behavior, and mobile changes.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/uwuclxdy/agenticat/ux-patterns
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 uwuclxdy/agenticat --skill ux-patterns
Clone the repo
git clone --depth 1 https://github.com/uwuclxdy/agenticat

Made for: Claude Code.

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 ux-patterns

README.md
[![agentmods](https://agentmods.dev/badge/skills/uwuclxdy/agenticat/ux-patterns.svg)](https://agentmods.dev/skills/uwuclxdy/agenticat/ux-patterns)
Your own site
<a href="https://agentmods.dev/skills/uwuclxdy/agenticat/ux-patterns"><img src="https://agentmods.dev/badge/skills/uwuclxdy/agenticat/ux-patterns.svg" alt="Measured on agentmods" height="20"></a>
Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,907 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 $0.00029 $0.07907
Opus 5 $0.00015 $0.03954
Sonnet 5 $0.00006 $0.01581
Haiku 4.5 $0.00003 $0.00791

Measured 7d ago against content hash eec67b78d625, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

ux-patterns 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 7d 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/ux-patterns/SKILL.md · 455 lines

How it starts

The opening of the file, as written. The whole thing — 455 lines — stays where its author put it; the contents beside it link to each section on GitHub.

UX Patterns

How an interface should behave, for whoever is writing it. Scoped to interaction: states, feedback, forms, and the cognitive-load laws behind layout decisions.

File Read it for
This file Web-first behavior rules
references/accessibility.md The conformance wiring every state needs. Read it alongside any state you build
references/mobile.md What changes on a phone

For a CLI or a terminal UI, load the terminal-ux skill if it is installed. Exit codes, stream discipline, TTY detection, and terminal screen-reader behavior have their own canon and are not covered here.

Not covered here: type scales, color palettes, visual style, brand. Your design-system skill owns those. A rule that needs a specific palette or type scale is out of scope, so point at that skill rather than inventing values. Contrast appears in the accessibility reference as a conformance floor, never as a palette.

Treat these as directional. A repo's established pattern wins over a rule here; match the surrounding code. Two markers override that:

  • WCAG x.x.x (Level) means a published conformance criterion. Not a preference, and not something a repo convention overrides.
  • A named law here is a label, and what sits under each one differs. Jakob's was coined by Nielsen as a summary of his own heuristics. Tesler's traces to an interview and carries a published counter-argument. Hick's is real experimental work, measuring something narrower than its usual application. Each section states what its law actually rests on; naming one settles nothing.

Everything unmarked is a strong default. Numbers are starting values unless a rule says otherwise. Three are measured and marked as such: the 0.1s, 1s and 10s response-time limits.


1. Every Screen Has Five States

1.1 Build All Five

State What it is
Loading The request is in flight and nothing has settled
Success The state you designed for: enough data, everything worked
Error The fetch or the action failed
Empty The request settled and there is genuinely nothing
Partial The request settled and there is barely anything: 3 rows where 20 belong, one widget configured, a chart with two points

Read the full file on GitHub · 455 lines

Files

What ships with it

2 files 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. 7d ago First seen · 455 lines · 29 tokens per session scan A eec67b78d625

Subscribe to this mod's changes

ux-patterns is a skill published in the GitHub repository uwuclxdy/agenticat (5 stars, last pushed today), licensed MIT. It adds 29 tokens to every session and 7,907 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 2026-08-31.

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