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Agent skill

Build Mobile Threejs Games

by nirholas in nirholas/three.ws

Build, tune, or test a Three.js game for mobile web. An agent skill from nirholas/three.ws.

Apache-2.0Auto-check passedGame Development

Install Build Mobile Threejs Games

skills CLI
$ npx skills add nirholas/three.ws --skill build-mobile-threejs-games -a claude-code

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

GitHub CLI
$ gh skill install nirholas/three.ws build-mobile-threejs-games --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/nirholas/three.ws.git skills-src && mkdir -p .claude/skills && cp -r skills-src/third_party/designcode-agent-skills/agent-skills/game-development/build-mobile-threejs-games .claude/skills/build-mobile-threejs-games && 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/

Facts

Skill name
build-mobile-threejs-games
GitHub stars
228
Used in
1 other repo
Token cost
~301 tokens
SKILL.md length
113 words
Files
2
Skills in repo
92
Repo updated
First seen
Licence
Apache-2.0

At a glance

Build, tune, or test a Three.js game for mobile web. An agent skill from nirholas/three.ws.

  • Action controls
  • SKILL.md covers Controls, Responsive HUD and Performance and QA
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Target selection

What it does

Build Mobile Threejs Games is an agent skill from nirholas/three.ws. Build, tune, or test a Three.js game for mobile web. Use for touch movement, action controls, target selection, touch inventory, safe areas, portrait/landscape layouts, responsive HUD, battery/performance budgets, and real mobile browser QA.

Its SKILL.md is about 300 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `agents/openai.yaml`).

It sits in Game Development, covering 3D graphics and WebGL and Web performance. It works with Three.js. The repository describes itself as: Open-source platform for 3D AI agents. Turn text or a photo into a rigged, animated GLB avatar, give it an LLM brain, memory and a wallet, and embed it anywhere with one web… The licence is Apache-2.0.

When your agent uses it

  • Action controls
  • Target selection
  • Touch inventory
  • Portrait/landscape layouts

Example prompts

  • “/build-mobile-threejs-games”

What it can do on your machine

Read from SKILL.md and the folder at commit ec8d1d2. 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.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    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

Build Mobile Threejs Games loads about 301 tokens when it runs. Until then it costs about 67 tokens; SKILL.md has 113 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~67
When it runs · the whole SKILL.md, loaded when a task matches
~301

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 nirholas/three.ws at commit ec8d1d2, republished under its Apache-2.0 licence (© nirholas). 113 words, ~301 tokens.

Download SKILL.mdSave it as .claude/skills/build-mobile-threejs-games/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
build-mobile-threejs-games
description
Build, tune, or test a Three.js game for mobile web. Use for touch movement, action controls, target selection, touch inventory, safe areas, portrait/landscape layouts, responsive HUD, battery/performance budgets, and real mobile browser QA.

Build Mobile Three.js Games

Treat mobile as a primary control and performance surface.

Controls

Provide a clear movement control, reachable primary actions, target selection, cancel/reset paths, and non-drag alternatives for inventory. Keep controls out of unsafe areas, avoid overlapping action zones, and show feedback for held, unavailable, and queued actions.

Responsive HUD

Design for representative portrait and landscape viewports. Keep vital status, target data, inventory, tooltips, and dialogs legible without covering the playfield. Support orientation changes without resetting gameplay state.

Performance and QA

Use device-appropriate quality defaults and adaptive decorative effects. Test touch targets, multi-touch, long sessions, audio unlock, pause/background return, reduced motion, low-end quality, and actual mobile-size viewports in the repository-approved browser.

© nirholas, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file in third_party/designcode-agent-skills/agent-skills/game-development/build-mobile-threejs-games of nirholas/three.ws.

  • SKILL.md
  • agents/openai.yaml

Open the folder on GitHubat commit ec8d1d2

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in nirholas/three.ws, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Build Mobile Threejs Games 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.

Build Mobile Threejs Games compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Build Mobile Threejs Games this skillnirholas/three.ws2281 repos~301Automated safety check: PassApache-2.0
Shader for Interfacesv2space-labs/shader-for-interfaces115—~3.1kAutomated safety check: PassMIT
3D Web Experiencesmadebyaris/advance-minimax-m3-cursor-rules126—~3kAutomated safety check: PassMIT
Image to Three.js Modelimg2threejs/img2threejs18k1 repos~8.2kAutomated safety check: PassApache-2.0
Web CloneJane-xiaoer/claude-skill-web-clone1k1 repos~2.7kAutomated safety check: PassMIT
Threejs Game Directormajidmanzarpour/threejs-game-skills2.5k—~2.2kAutomated safety check: PassMIT

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Works with

Categories

Questions about Build Mobile Threejs Games

What does Build Mobile Threejs Games do?

Build, tune, or test a Three.js game for mobile web. An agent skill from nirholas/three.ws. ws.js game for mobile web.

When should I use Build Mobile Threejs Games?

Build Mobile Threejs Games fits situations like: action controls; target selection; touch inventory; portrait/landscape layouts.

How do I install Build Mobile Threejs Games in Claude Code?

Run `npx skills add nirholas/three.ws --skill build-mobile-threejs-games -a claude-code`. Or copy the skill folder (third_party/designcode-agent-skills/agent-skills/game-development/build-mobile-threejs-games in nirholas/three.ws) into .claude/skills/build-mobile-threejs-games in your project. Claude Code loads it when a task matches its description.

How do I install Build Mobile Threejs Games in Codex?

Run `npx skills add nirholas/three.ws --skill build-mobile-threejs-games -a codex`. Or copy the skill folder (third_party/designcode-agent-skills/agent-skills/game-development/build-mobile-threejs-games in nirholas/three.ws) into .agents/skills/build-mobile-threejs-games in your project. Codex loads it when a task matches its description.

Can I use Build Mobile Threejs Games 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 nirholas/three.ws --skill build-mobile-threejs-games -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/build-mobile-threejs-games, .gemini/skills/build-mobile-threejs-games, .github/skills/build-mobile-threejs-games and .opencode/skills/build-mobile-threejs-games in your project.

What does Build Mobile Threejs Games need to run?

SKILL.md names no scripts, command-line tools or credentials: Build Mobile Threejs Games is instructions for the agent only.

Does Build Mobile Threejs Games access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Build Mobile Threejs Games 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 Build Mobile Threejs Games use?

Build Mobile Threejs Games 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 Build Mobile Threejs Games use?

About 301 tokens (SKILL.md is roughly 1.2k 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 Build Mobile Threejs Games?

Skills that share tags, products or a category with Build Mobile Threejs Games: Shader for Interfaces (v2space-labs/shader-for-interfaces, 115 stars), 3D Web Experiences (madebyaris/advance-minimax-m3-cursor-rules, 126 stars), Image to Three.js Model (img2threejs/img2threejs, 18k stars) and Web Clone (Jane-xiaoer/claude-skill-web-clone, 1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Build Mobile Threejs Games?

nirholas (a GitHub user) maintains it in nirholas/three.ws, which has 228 GitHub stars. The repository holds 92 skills in this directory. The repository was last updated on October 9, 2026.

Source: nirholas/three.ws on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.