Nebula Design System Agent Skill

Designs, implements, and optimizes enterprise admin interfaces, marketing websites, design token systems, and interactive HTML technical…

Context cost
117.7k tokensestimated from the bundle, loaded when it triggers
Bundle
83 files · 524.0 kB4 scripts among them — read before you run
Licence
not declarednone named by its author
Last change
—no release on file
Servers it uses
Noneruns standalone

What it does

Design, implement, review, and optimize frontend product experiences, enterprise applications, marketing websites, and HTML technical diagrams. Determine product app vs marketing site; for product apps choose focused page vs full system shell. Use for landing, feature, pricing, and launch pages; dashboards, CRM, risk/data/permission systems, workflows, tables, forms, AI workbenches; architecture, hierarchy, flow, lineage, topology, sequence, and relationship diagrams; information architecture, UI copy, components, theme tokens, typography, color semantics, and production frontend code.

What this skill changes about the agent has not been set out here as a list. Its SKILL.md, shown below, says it in the author’s own words.

design
Filed under

Design & Media

The skill itself

A skill is instructions the model reads, so you can see what you are getting: below is the start of its SKILL.md. The front matter loads with every session, the body loads when the skill triggers, and the whole file comes with the install.

SKILL.md16.0 kB · preview
--- name: nebula-design-skill ---
6# Nebula Design
7
8把模糊需求转化为清晰、可操作、可实现的前端体验,覆盖产品应用、企业中后台、营销官网与 HTML 技术图。主题由 [assets/theme-registry.json](assets/theme-registry.json) 注册,Cal.com 是默认主题。无论选择哪种视觉语言,都优先保证用户目标、信息层级、可信内容、状态语义和可访问性。
9
10## 先判定设计表面
11
12实现新页面前先读取 [references/surface-selection.md](references/surface-selection.md),判断:
13
14- **产品应用**:面向已登录用户完成任务,包含数据、状态、操作与权限。
15- **营销官网**:面向公开访客解释价值、建立信任并推动注册、咨询或购买。
16- **完整产品套件**:同时需要公开官网和登录后产品应用,两种表面分别设计并共享品牌语言。
17
18表面确定后再选择布局。产品应用读取 [references/application-shell-selection.md](references/application-shell-selection.md),判断聚焦单页面或完整系统外壳;营销官网读取 [references/marketing-page-patterns.md](references/marketing-page-patterns.md),选择首页、Landing Page、功能页、定价页、发布页、解决方案页或文档入口。主题是独立维度,不能用 Cal.com、Linear 或导航位置替代表面判断。
19
20需求信号明确时直接选择并说明依据;两种表面都合理且会显著改变实现时,实施前给用户明确选项。不要把“单 HTML 文件”“SPA 技术架构”和“聚焦单页面”当作同一个概念。已有仓库表面与外壳明确时优先沿用。
21
22## 再确定交付模式
23
24根据请求选择一种或多种模式:
This is a preview of SKILL.md. Download or install the skill to get the whole thing.
In the file
SKILL.md516 words
Files83
Licencenot declared
Why you can read it

Nothing in a skill executes. The client loads the text and the model follows it, so a skill can be audited the way a runbook is — by reading it.

What it costs in context

Skills are not billed by the call. They are paid for in context: every token the instructions occupy is a token your code, your diff and your conversation cannot use. Here is what this one takes and when it takes it.

≈190
always loaded
The name and description, so the model knows the skill exists and when to reach for it.
117,535
on trigger
The instruction body and 82 supporting files, read only when the skill fires.
58.9%
of a 200k window
Ten skills this size would not fit in the window together.
050k100k150k200k context window

117.7k tokens, estimated from the bundle at four bytes to the token, held for the rest of the session once it triggers. Heavy. Teams tend to install this one per project rather than globally, and load it only when the job comes up.

Servers bill, skills cost

A server charges by the month. A skill charges once per session, in context, and then keeps charging it for as long as the session lives.

Before and after

The same question, put to the same model twice: once as it comes, and once with these instructions loaded.

No worked example has been published for this skill yet.

The procedure it runs

The procedure has not been set out here step by step. It is in the body of its SKILL.md: the start of it is shown above, and the whole file comes with the install.

Prose, not code

These steps are written for a model to follow, not executed by a runtime. It can still be told to skip one, and it will say so when it does.

Servers it uses

None. This skill calls no MCP servers at all.

Everything it needs is in the instructions, so it works in a project with nothing connected — the model reads the file and changes how it works with what it can already reach.

Its SKILL.md does not declare which tools it asks the agent for, so what it touches is whatever the instructions themselves ask for — read them before you install it.

What it asks for
Writes filesnot declared
Network accessnot declared

This SKILL.md carries no allowed-tools line, so neither is declared. A skill grants no permissions of its own — it can only ask for tools your client already has.

What it will not do

Every skill is narrow, and the useful ones say where they stop. These are the jobs this one is the wrong tool for.

What this skill is not for has not been published here. Nothing is implied by that: it is a section the author has not filled in.

What is in the bundle

83 files, 524.0 kB on disk. Mostly text — the instructions the model reads — with 4 scripts in it that your client would run only if the instructions tell it to. 3 files of its source are not in the download — listed after these, with why.

  • SKILL.md16.0 kB
  • README.md23.3 kB
  • agents/openai.yaml0.3 kB
  • assets/aurasearch-tokens.css5.2 kB
  • assets/cal-tokens.css3.4 kB
  • assets/clarity-tokens.css6.4 kB
  • assets/claude-tokens.css3.4 kB
  • assets/diagram-tokens.css5.9 kB
  • assets/linear-tokens.css3.4 kB
  • assets/notion-tokens.css3.4 kB
  • assets/opencode-tokens.css3.2 kB
  • assets/palantir-tokens.css3.5 kB
  • assets/semantic-state-tokens.css3.1 kB
  • assets/theme-registry.json2.8 kB
  • demo/index.html83.5 kB
  • demo/marketing.html80.6 kB
  • references/application-shell-selection.md4.5 kB
  • references/color-strategy.md4.9 kB
  • references/components-and-interactions.md6.8 kB
  • references/diagram-design.md15.4 kB
  • references/example-blueprints.md3.3 kB
  • references/implementation-and-review.md5.0 kB
  • references/marketing-page-patterns.md3.6 kB
  • references/marketing-theme-adaptation.md3.6 kB
  • references/marketing-theme-aurasearch.md3.5 kB
  • references/marketing-theme-cal.md1.7 kB
  • references/marketing-theme-clarity.md1.9 kB
  • references/marketing-theme-claude.md1.7 kB
  • references/marketing-theme-linear.md1.6 kB
  • references/marketing-theme-notion.md1.7 kB
  • references/marketing-theme-opencode.md2.2 kB
  • references/marketing-theme-palantir.md3.4 kB
  • references/page-patterns.md6.4 kB
  • references/standalone-theme-implementation.md3.4 kB
  • references/surface-selection.md2.6 kB
  • references/theme-aurasearch.md9.9 kB
  • references/theme-cal.md3.0 kB
  • references/theme-claude.md2.7 kB
  • references/theme-linear.md3.4 kB
  • references/theme-notion.md3.2 kB
  • references/theme-opencode.md3.0 kB
  • references/theme-palantir.md3.1 kB
  • references/theme-quality-gates.md3.7 kB
  • references/theme-selection.md7.1 kB
  • references/typography-system.md4.1 kB
  • references/visual-system.md6.3 kB
  • scripts/validate-demo.mjs4.3 kB
  • scripts/validate-standalone-demo.mjs4.7 kB
  • scripts/validate-theme-contract.mjs4.9 kB
  • demo/aurasearch/app.js39.2 kB
  • demo/aurasearch/index.html7.3 kB
  • demo/aurasearch/styles.css39.2 kB
  • demo/aurasearch/assets/api-key.svg1.3 kB
  • demo/aurasearch/assets/billing.svg0.7 kB
  • demo/aurasearch/assets/bot.svg2.0 kB
  • demo/aurasearch/assets/calendar.svg1.8 kB
  • demo/aurasearch/assets/chatgpt.svg4.3 kB
  • demo/aurasearch/assets/chevron.svg0.3 kB
  • demo/aurasearch/assets/claude.svg2.7 kB
  • demo/aurasearch/assets/cloud.svg1.7 kB
  • demo/aurasearch/assets/codex.svg1.0 kB
  • demo/aurasearch/assets/competitors.svg1.2 kB
  • demo/aurasearch/assets/danger.svg1.0 kB
  • demo/aurasearch/assets/deepseek.svg3.8 kB
  • demo/aurasearch/assets/document.svg1.0 kB
  • demo/aurasearch/assets/expand.svg0.9 kB
  • demo/aurasearch/assets/eye.svg1.2 kB
  • demo/aurasearch/assets/grok.svg1.2 kB
  • demo/aurasearch/assets/hero-glow-bottom.svg0.7 kB
  • demo/aurasearch/assets/hero-glow-top.svg0.7 kB
  • demo/aurasearch/assets/home.svg0.7 kB
  • demo/aurasearch/assets/lock.svg1.0 kB
  • demo/aurasearch/assets/logo.svg0.8 kB
  • demo/aurasearch/assets/more.svg0.6 kB
  • demo/aurasearch/assets/notification.svg0.8 kB
  • demo/aurasearch/assets/projects.svg1.1 kB
  • demo/aurasearch/assets/rank.svg1.6 kB
  • demo/aurasearch/assets/search.svg0.7 kB
  • demo/aurasearch/assets/settings.svg8.6 kB
  • demo/aurasearch/assets/settings-general.svg2.9 kB
  • demo/aurasearch/assets/star.svg1.1 kB
  • demo/aurasearch/assets/target.svg1.4 kB
  • demo/aurasearch/assets/team.svg1.5 kB

Not in the download

Not carried is a type a skill download does not hold. Take them from its source.

  • .gitignorenot carried
  • demo/aurasearch/assets/avatar.pngnot carried
  • demo/aurasearch/assets/hero-dots.pngnot carried
What is not in it

A skill installs nothing and depends on nothing: it is a folder your client reads. This one carries 4 scripts beside the text, so the download is 83 files — not the whole of its source: 3 files are left out. They are listed under the files, with why.

Install

Installing copies the bundle into your project. Nothing runs at install time — the files sit on disk until the model reads them.

# Nebula Design System · 117.7k tokens when loaded · macOS, Linux mkdir -p .claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/nebula-design-system/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/nebula-design-system" ] && { [ ! -e .claude/skills/nebula-design-system ] || { mv .claude/skills/nebula-design-system "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/nebula-design-system" .claude/skills/ && echo "Installed .claude/skills/nebula-design-system"
On Windows, or any OS with Node 20+
npx mcprush@latest skill add xiaodikong/nebula-design-system

Windows PowerShell says 'running scripts is disabled on this system'? Run Set-ExecutionPolicy -Scope CurrentUser RemoteSigned once, or type npx.cmd instead of npx (codex.cmd, gemini.cmd, grok.cmd likewise). PowerShell 7 needs neither. Writes to .claude/skills/nebula-design-system/ in the current project. For every project instead, run mkdir -p ~/.claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/nebula-design-system/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/nebula-design-system" ] && { [ ! -e ~/.claude/skills/nebula-design-system ] || { mv ~/.claude/skills/nebula-design-system "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/nebula-design-system" ~/.claude/skills/ && echo "Installed ~/.claude/skills/nebula-design-system" (macOS, Linux) — or add --global to the npx line. The curl line replaces .claude/skills/nebula-design-system/ only after the download succeeds, so files left there by another skill of the same name, or by an older release, do not mix in. A copy already there is moved aside, not deleted, and the line prints where. It appears as nebula-design-skill in Gemini CLI, Codex, Copilot and Grok (its own name); Claude Code lists it by the folder name, nebula-design-system. Not in this download: 3 files of its source (the full list, and why). Take them from its source.

Which clients pick it up on their own

A skill is a folder of text. Most of these read a skills folder and pick it up without being told; the rest take the same folder another way — an upload in the app, a parameter on an API call — and then choose it by its description just the same.

Claude Code.claude/skills/
Claude DesktopCustomize › Skills
ChatGPTSkills › Create › Upload
Cursor.cursor/skills/
VS Code.github/skills/
Codex CLI.agents/skills/
Gemini CLI.gemini/skills/
Grok Build.grok/skills/
Microsoft CopilotSkills › Upload a skill
PerplexityComputer › Skills › Upload a skill
DeepSeek Harness.dsh/skills/
Zed.agents/skills/
Devin Desktop.devin/skills/
Windsurf (legacy).windsurf/skills/
OpenAI Agents SDKInstructions or sandbox Skills
HTTP / APIa request parameter
This release
Versionnot versioned
Publishedno release date on file
PriceFree
Referencexiaodikong/nebula-design-system

Versions

Its author publishes no version number, so there is nothing here to pin to: what you install is the folder as it stands today. Instructions change more often than APIs do — a skill can be rewritten entirely without anything it depends on moving.

Pinning

Nothing to pin to: this skill carries no version number of its own. What you install is what the folder holds on the day you install it.

Reviews

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Who can post

Anybody with an account, one review each. It carries the version that was current when you wrote it, and the publisher may reply once.

Who wrote it

XI
XiaodiKong

Publishes on mcprush.

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