An entry guide to the walkerOS explorer component library, a collection of reusable interface components for building its user interface. It documents the component structure, styling rules, and usage patterns.

Use it when creating or modifying explorer buttons, inputs, forms, layouts, demos, or other React interface components.

It helps contributors make interface changes that fit the library's architecture and visual conventions.

explorer — Skill by elbwalker

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.

agentmods

npx agentmods add skills/elbwalker/walkeros/explorer

Any agent

npx skills add elbwalker/walkerOS --skill explorer

Clone the repo

git clone --depth 1 https://github.com/elbwalker/walkerOS

Made for: Claude Code, Codex.

Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,563 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

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.

Model	Per session	Once invoked
Fable 5	$0.00000	$0.01563
Opus 5	$0.00000	$0.00781
Sonnet 5	$0.00000	$0.00313
Haiku 4.5	$0.00000	$0.00156

Measured 2d ago against content hash e9ae9f8dfe4f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

explorer 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 2d ago.

The scan reads SKILL.md. This mod also ships 16 executable files (__mocks__/@monaco-editor/react.cjs, __mocks__/monaco-editor.cjs, __mocks__/monaco-worker.cjs, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

apps/explorer/SKILL.md · 253 lines

How it starts

The opening of the file, as written. The whole thing — 253 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Explorer Component Library

Entry point for working with the walkerOS explorer component library.

Quick Reference

Document	Purpose
AGENT.md	Architecture, code standards, SCSS compliance
STYLE.md	Complete CSS variable reference (colors, spacing, typography)
README.md	Usage guidelines, component patterns

Core Principles

1. Controlled Components Only

All UI state via props. No useState for user-visible state.

// Correct: controlled
export function FormInput({ value, onChange, disabled }: Props) {
  return (
    <input
      value={value}
      onChange={(e) => onChange(e.target.value)}
      disabled={disabled}
    />
  );
}

// Wrong: internal state
export function FormInput() {
  const [value, setValue] = useState(''); // NO
}

2. Atomic Design Hierarchy

atoms/      → Single elements (Button, Input, Spinner)
molecules/  → Compositions (FormCard, Dropdown)
organisms/  → Complex layouts (Header, Sidebar)
demos/      → Full page examples

3. BEM Naming

.elb-{component}           // Block
.elb-{component}__{element} // Element
.elb-{component}--{modifier} // Modifier

// Example
.elb-alert
.elb-alert__title
.elb-alert--error

4. CSS Variables Only

Never use hardcoded values. Import from theme:

@use '../../theme/variables' as *;

.elb-button {
  background: var(--elb-color-primary);
  padding: var(--elb-spacing-sm) var(--elb-spacing-md);
  border-radius: var(--elb-radius-md);
  font-size: var(--elb-font-size-base);
}

File Structure

src/
├── components/
│   ├── atoms/
│   │   ├── button.tsx
│   │   ├── button.stories.tsx
│   │   └── ...
│   └── molecules/
│       ├── dropdown.tsx
│       └── ...
├── styles/
│   ├── theme/
│   │   └── _variables.scss    # All CSS variables
│   ├── components/
│   │   ├── atoms/
│   │   │   └── _button.scss
│   │   └── molecules/
│   │       └── _dropdown.scss
│   └── index.scss             # Import order matters
└── index.ts                   # Public exports

Read the full file on GitHub · 253 lines

Files

What ships with it

60 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.

2d ago First seen · 253 lines · 0 tokens per session scan A e9ae9f8dfe4f

Subscribe to this mod's changes

explorer is a skill published in the GitHub repository elbwalker/walkerOS (343 stars, last pushed 7d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,563 tokens. 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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