Agent skill

Artifacts Builder

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).

Apache-2.0Auto-check passedFrontend & Design

Install Artifacts Builder

skills CLI

$ npx skills add nexu-io/open-design --skill artifacts-builder -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design artifacts-builder --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/artifacts-builder .claude/skills/artifacts-builder && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "artifacts-builder" agent skill from https://github.com/nexu-io/open-design/tree/main/skills/artifacts-builder into .claude/skills/artifacts-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifacts-builder", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/nexu-io/open-design/tree/main/skills/artifacts-builder

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add nexu-io/open-design --skill artifacts-builder -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design artifacts-builder --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/artifacts-builder .agents/skills/artifacts-builder && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "artifacts-builder" agent skill from https://github.com/nexu-io/open-design/tree/main/skills/artifacts-builder into .agents/skills/artifacts-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifacts-builder", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add nexu-io/open-design --skill artifacts-builder -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design artifacts-builder --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/artifacts-builder .cursor/skills/artifacts-builder && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "artifacts-builder" agent skill from https://github.com/nexu-io/open-design/tree/main/skills/artifacts-builder into .cursor/skills/artifacts-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifacts-builder", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/nexu-io/open-design.git --path skills/artifacts-builder

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add nexu-io/open-design --skill artifacts-builder -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design artifacts-builder --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/artifacts-builder .gemini/skills/artifacts-builder && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "artifacts-builder" agent skill from https://github.com/nexu-io/open-design/tree/main/skills/artifacts-builder into .gemini/skills/artifacts-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifacts-builder", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install nexu-io/open-design artifacts-builder

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add nexu-io/open-design --skill artifacts-builder -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/artifacts-builder .github/skills/artifacts-builder && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "artifacts-builder" agent skill from https://github.com/nexu-io/open-design/tree/main/skills/artifacts-builder into .github/skills/artifacts-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifacts-builder", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add nexu-io/open-design --skill artifacts-builder -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design artifacts-builder --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/artifacts-builder .opencode/skills/artifacts-builder && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "artifacts-builder" agent skill from https://github.com/nexu-io/open-design/tree/main/skills/artifacts-builder into .opencode/skills/artifacts-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifacts-builder", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: artifacts-builder
GitHub stars: 100k
Token cost: ~347 tokens
SKILL.md length: 96 words
Files: 1
Skills in repo: 245
Repo updated: Oct 8, 2026
First seen: Oct 7, 2026
Licence: Apache-2.0

At a glance

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).

Tasks that involve HTML artifacts
SKILL.md covers What it does, Source and How to use
Reaches github.com

What it does

Artifacts Builder is an agent skill from nexu-io/open-design. Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).

Its SKILL.md is about 350 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Frontend & Design, covering HTML artifacts. It works with React, shadcn/ui and Tailwind CSS. The repository describes itself as: 🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes… The licence is Apache-2.0.

When your agent uses it

Tasks that involve HTML artifacts

Example prompts

“/artifacts-builder”

What it can do on your machine

Read from SKILL.md and the folder at commit 3449fa6. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
- github.com
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Artifacts Builder loads about 347 tokens when it runs. Until then it costs about 43 tokens; SKILL.md has 96 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~43
When it runs · the whole SKILL.md, loaded when a task matches: ~347

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from nexu-io/open-design at commit 3449fa6, republished under its Apache-2.0 licence (© nexu-io). 96 words, ~347 tokens.

Download SKILL.mdSave it as .claude/skills/artifacts-builder/SKILL.md (or your agent's skills folder).

name: artifacts-builder
description: Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).
triggers: artifacts builder, html artifact, multi component artifact, react artifact
od.mode: prototype
od.category: web-artifacts
od.upstream: https://github.com/ComposioHQ/awesome-claude-skills/tree/master/artifacts-builder

artifacts-builder

Curated from ComposioHQ awesome-claude-skills.

What it does

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).

Source

Upstream: https://github.com/ComposioHQ/awesome-claude-skills/tree/master/artifacts-builder
Category: web-artifacts

How to use

This catalogue entry advertises the skill in OpenDesign so the agent discovers it during planning. To run the full upstream workflow with its original assets, scripts, and references, install the upstream bundle into your active agent's skills directory:

bash

# Inspect the upstream README for exact paths
open https://github.com/ComposioHQ/awesome-claude-skills/tree/master/artifacts-builder

Then ask the agent to invoke this skill by name (artifacts-builder) or with one of the trigger phrases listed in this skill's frontmatter.

Files

Just SKILL.md in skills/artifacts-builder of nexu-io/open-design.

Open the folder on GitHubat commit 3449fa6

Compare with similar skills

Artifacts Builder next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Artifacts Builder compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Artifacts Builder this skillnexu-io/open-design	100k	—	~347	Automated safety check: Pass	Apache-2.0	today
Web Artifacts BuilderLeastBit/Claude_skills_zh-CN	588	—	~458	Automated safety check: Pass	Apache-2.0	8 mo ago
Artifacts Builderboshi-xixixi/TraeSkill	275	—	~768	Automated safety check: Pass	Apache-2.0	4 mo ago
Web Artifacts Buildermajiayu000/spellbook	286	—	~744	Automated safety check: Pass	MIT	today
Web Artifacts Builder V2sammcj/agentic-coding	162	—	~1.9k	Automated safety check: Pass	Apache-2.0	today
Od Artifacts Buildercriptogus/agent-evolve-network	288	—	~839	Automated safety check: Pass	Apache-2.0	28 days ago

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Works with

Questions about Artifacts Builder

What does Artifacts Builder do?

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Artifacts Builder is an agent skill from nexu-io/open-design.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).

When should I use Artifacts Builder?

Artifacts Builder fits situations like: tasks that involve HTML artifacts.

How do I install Artifacts Builder in Claude Code?

Run `npx skills add nexu-io/open-design --skill artifacts-builder -a claude-code`. Or copy the skill folder (skills/artifacts-builder in nexu-io/open-design) into .claude/skills/artifacts-builder in your project. Claude Code loads it when a task matches its description.

How do I install Artifacts Builder in Codex?

Run `npx skills add nexu-io/open-design --skill artifacts-builder -a codex`. Or copy the skill folder (skills/artifacts-builder in nexu-io/open-design) into .agents/skills/artifacts-builder in your project. Codex loads it when a task matches its description.

Can I use Artifacts Builder in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add nexu-io/open-design --skill artifacts-builder -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/artifacts-builder, .gemini/skills/artifacts-builder, .github/skills/artifacts-builder and .opencode/skills/artifacts-builder in your project.

What does Artifacts Builder need to run?

SKILL.md names no scripts, command-line tools or credentials: Artifacts Builder is instructions for the agent only.

Does Artifacts Builder access the network?

SKILL.md names 1 domain. In commands or code: github.com; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.

Is Artifacts Builder safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Artifacts Builder use?

Artifacts Builder is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Artifacts Builder use?

About 347 tokens (SKILL.md is roughly 1.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Artifacts Builder?

Skills that share tags, products or a category with Artifacts Builder: Web Artifacts Builder (LeastBit/Claude_skills_zh-CN, 588 stars), Artifacts Builder (boshi-xixixi/TraeSkill, 275 stars), Web Artifacts Builder (majiayu000/spellbook, 286 stars) and Web Artifacts Builder V2 (sammcj/agentic-coding, 162 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Artifacts Builder?

nexu-io (a GitHub organization) maintains it in nexu-io/open-design, which has 99,905 GitHub stars. The repository holds 245 skills in this directory. The repository was last updated on October 8, 2026.

Source: nexu-io/open-design on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Artifacts Builder

Facts

At a glance

What it does

When your agent uses it

Example prompts

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

artifacts-builder

What it does

Source

How to use

Files

Compare with similar skills

Similar skills

More from nexu-io/open-design

Related

Questions about Artifacts Builder