vibeyard: Skill for Claude Code

.claude/skills/ui-dev/SKILL.md

ui-dev is a skill for Claude Code from elirantutia/vibeyard. It costs 95 tokens per session (2,364 once invoked), scanned A, original, MIT.

Instructions for building the visual part of an application with plain TypeScript and browser DOM code, without a UI framework. They document the project's reusable controls, dialogs, and styling patterns.

In plain words
What is it for?
Use them when changing renderer files, adding buttons or dialogs, building forms, or implementing custom dropdowns and other interface features.
Why use it?
They prevent new screens and components from using patterns that conflict with the existing interface.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is elirantutia/vibeyard's own configuration. It tells Claude Code how to work on vibeyard itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything vibeyard configures →

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is import { appState } from '../state';.

About the project

Vibeyard is an IDE and project workspace for managing multiple AI coding-agent sessions, including parallel runs, split panes, task boards, cost tracking, and session resumption. It is for developers who use Claude Code, Codex CLI, or Gemini CLI and need to organize many agent-driven coding tasks. The catalogue add-ons provide commands, skills, and instructions for working with Vibeyard.

elirantutia/vibeyard · 1,365 stars · on GitHub

Reuse

Borrowing it

Nothing to install: this file belongs to elirantutia/vibeyard. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/elirantutia/vibeyard/main/.claude/skills/ui-dev/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/elirantutia/vibeyard

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 ui-dev

README.md
[![agentmods](https://agentmods.dev/badge/skills/elirantutia/vibeyard/ui-dev.svg)](https://agentmods.dev/skills/elirantutia/vibeyard/ui-dev)
Your own site
<a href="https://agentmods.dev/skills/elirantutia/vibeyard/ui-dev"><img src="https://agentmods.dev/badge/skills/elirantutia/vibeyard/ui-dev.svg" alt="Measured on agentmods" height="20"></a>
Per session 95 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,364 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 $0.00095 $0.02364
Opus 5 $0.00048 $0.01182
Sonnet 5 $0.00019 $0.00473
Haiku 4.5 $0.00010 $0.00236

Measured 8d ago against content hash fff4a309129e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

ui-dev 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 8d 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.

.claude/skills/ui-dev/SKILL.md · 215 lines

How it starts

The opening of the file, as written. The whole thing — 215 lines — stays where its author put it; the contents beside it link to each section on GitHub.

UI Development Guide

This project uses vanilla TypeScript DOM manipulation — no framework. All UI lives in src/renderer/. Follow the patterns and reuse the components documented below.

Custom Dropdown / Select

Never use native <select>. Always use the custom select component:

import { createCustomSelect } from './components/custom-select';

const select = createCustomSelect('my-select', [
  { value: 'a', label: 'Option A' },
  { value: 'b', label: 'Option B' },
  { value: 'c', label: 'Disabled', disabled: true },
], 'a'); // default value

// select.getValue() — get current value
// select.destroy() — cleanup
  • File: src/renderer/components/custom-select.ts
  • CSS classes: .custom-select, .custom-select-trigger, .custom-select-dropdown, .custom-select-item
  • Supports keyboard navigation (Arrow keys, Enter, Escape, Tab)

Modals

Use showModal() for generic modals with form fields:

import { showModal, closeModal, setModalError } from './components/modal';

showModal('My Title', [
  { id: 'name', label: 'Name', type: 'text', placeholder: 'Enter name' },
  { id: 'option', label: 'Option', type: 'select', options: [...] },
  { id: 'enabled', label: 'Enable feature', type: 'checkbox' },
], (values) => {
  // values is Record<string, string>
  if (!values.name) {
    setModalError('name', 'Name is required');
    return;
  }
  // ... handle confirm
  closeModal();
});
  • File: src/renderer/components/modal.ts
  • Exports: showModal(), closeModal(), setModalError()
  • Supports field types: text, checkbox, select (uses custom select internally)
  • Supports field buttons (e.g., a "Browse" button next to a text input)
  • Keyboard: Enter to confirm, Escape to cancel

For specialized modals (complex layout, multi-pane, unique behavior), create a dedicated file in src/renderer/components/ following the existing pattern (e.g., preferences-modal.ts, usage-modal.ts).

Alert Banners

Read the full file on GitHub · 215 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. 8d ago First seen · 215 lines · 95 tokens per session scan A fff4a309129e

Subscribe to this mod's changes

ui-dev is a skill published in the GitHub repository elirantutia/vibeyard (1,365 stars, last pushed 4d ago), licensed MIT. It adds 95 tokens to every session and 2,364 once invoked, about $0.0005 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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