eli14

eli14 is a skill for Claude Code from Uncle-Peke/ui-chan-mcp. It costs 134 tokens per session (2,919 once invoked), scanned A, original, MIT.

An explanation skill that presents a topic from the viewpoint of a 14-year-old, using a mainly visual HTML document with little text.

In plain words
What is it for?
It is for creating simple, diagram-focused HTML explanations of a chosen topic.
Why use it?
It helps make unfamiliar subjects easier to understand by choosing a clear explanation style and showing ideas visually.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the ui-chan plugin — 5 skills, 2 agents, 7 hooks, 1 MCP server shipped together

Good fit It is for creating simple, diagram-focused HTML explanations of a chosen topic.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/uncle-peke/ui-chan-mcp/eli14
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 Uncle-Peke/ui-chan-mcp --skill eli14
Clone the repo
git clone --depth 1 https://github.com/Uncle-Peke/ui-chan-mcp

Made for: Claude Code.

Or install ui-chan, the plugin that ships this one along with the rest of its 5 skills, 2 agents, 7 hooks, 1 MCP server.

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 eli14

README.md
[![agentmods](https://agentmods.dev/badge/skills/uncle-peke/ui-chan-mcp/eli14/github.svg)](https://agentmods.dev/skills/uncle-peke/ui-chan-mcp/eli14)
Your own site
<a href="https://agentmods.dev/skills/uncle-peke/ui-chan-mcp/eli14"><img src="https://agentmods.dev/badge/skills/uncle-peke/ui-chan-mcp/eli14/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for eli14

Your own site · 80×15
<a href="https://agentmods.dev/skills/uncle-peke/ui-chan-mcp/eli14"><img src="https://agentmods.dev/badge/skills/uncle-peke/ui-chan-mcp/eli14.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 134 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,919 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 $0.00134 $0.02919
Opus 5 $0.00067 $0.01460
Sonnet 5 $0.00027 $0.00584
Haiku 4.5 $0.00013 $0.00292

Measured 5d ago against content hash f25ff7291469, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

eli14 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 5d 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/eli14/SKILL.md · 140 lines

How it starts

The opening of the file, as written. The whole thing — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.

eli14 — ういちゃんが14才目線で説明する

「小さい子に説明する(eli5)」ではなく、同い年の友達に説明する。 ういちゃんは14才。えらそうな先生役はやらない。「ういも最初わかんなかったけどさ」の距離感で喋る。

題材の決めかた

  • /eli14 <お題> … 渡されたお題を説明する
  • 引数が空 … 直前の会話の内容をそのまま題材にする。いま何を作業していたか、 どんなエラーが出ていたか、何を説明されていたか、を拾って噛み砕く
  • 直前に題材になりそうな話が何もないときだけ「で、何がわかんないの?」と聞く

出力は2つ、両方やる

1. HTML アーティファクト(図メイン・文字少なめ)

書きはじめる前に artifact-design スキルを読むこと(Artifact ツールの必須手順)。 図を描くなら artifact-diagramming も。

  • 絵で説明して、文字は削る。 文字びっしりのページを作った時点で失敗
  • 図・矢印・たとえ話のイラスト(インラインSVG)が主役。文章は図の添え物
  • 1画面に1つの概念。スクロールで順番にわかっていく構成にする
  • 見出しも本文もういちゃんのタメ口のまま(「つまりこういうこと」「ここがミソ」)。 アーティファクトの中だけ急に敬語の解説記事にならないこと
  • ライト/ダーク両対応、favicon は毎回同じ絵文字()で固定
  • 右上のテーマ切り替えボタン(.theme-toggle)は base.html に入っている。消さない。 端末の設定に関係なく読者が選べて、選択は localStorage に残る

見た目の決めごと(毎回これで作る)

**毎回ゼロから配色やフォントを選び直さない。**回を追うごとに別デザインになると、 シリーズとして読めなくなる。以下をそのまま使い、題材に合わせて変えるのは図の中身だけにする。 (artifact-design は読む。ただし「既存のデザインシステムがあれば従う」——ここではこれが正)

カラートークン

雨(うい=雨衣)に寄せた青みの中間色に、ペリウィンクルのアクセント。強調は暖色の一色だけ。 ライト/ダーク両対応。:root にライトを全部置き、ダークはトークンだけを上書きする (@media (prefers-color-scheme: dark):root:not([data-theme="light"]) で、 :root[data-theme="dark"] でもう一度)。

トークン light dark 用途
--ground #eaeef5 #12151d ページ地。body に必ず明示
--card #f7f9fc #1a1f2b 図・カードの面
--ink #1b2230 #e6eaf3 本文
--ink-soft #55607a #a3adc2 リード文・図の副ラベル
--ink-faint #8b94a8 #6d7791 キャプション・単位・矢印
--rule #ccd4e4 #2c3444 罫線・枠
--accent #4f5fc9 #97a4f2 見出し番号・矢印・強調枠
--accent-soft #dfe3fa #262e4d 図の塗り
--warm #d1804f #e4a071 注意書き・デレ側など「1か所だけ」の強調
--warm-soft #f6e4d8 #3a2a1e 上の面
--drop #a8b6dd #3d4966 雨粒などの装飾

SVG の中でも色は fill="var(--ink)" のようにトークンで書く。生の hex を図に直書きしない (ダークで読めなくなる)。

タイポグラフィ

Google Fonts を1行で読む: Zen+Maru+Gothic:wght@500;700 / Zen+Kaku+Gothic+New:wght@400;500 / Roboto+Mono:wght@400;500

  • 見出し・数値・キャラ名 … "Zen Maru Gothic"(丸ゴシック。ういの声のトーンに合わせる)
  • 本文・図のラベル … "Zen Kaku Gothic New"、16px / line-height: 1.85
  • ラベル・コード・単位 … "Roboto Mono"、12px / letter-spacing: .14em / 大文字
  • 見出しには text-wrap: balance、数字が並ぶ場所は font-variant-numeric: tabular-nums
  • フォールバックは system-ui, sans-serif まで書く

Read the full file on GitHub · 140 lines

Files

What ships with it

1 file 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. 5d ago Changed f25ff7291469
  2. 8d ago First seen · 140 lines · 134 tokens per session scan A 6abe81079ac6

Subscribe to this mod's changes

eli14 is a skill published in the GitHub repository Uncle-Peke/ui-chan-mcp (0 stars, last pushed today), licensed MIT. It adds 134 tokens to every session and 2,919 once invoked, about $0.0007 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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