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Agent skill

Fal 3D

by nexu-io in nexu-io/open-design

Generate 3D models from text or images via fal.ai. An agent skill from nexu-io/open-design.

Apache-2.0Auto-check passedGame Development

Install Fal 3D

skills CLI
$ npx skills add nexu-io/open-design --skill fal-3d -a claude-code

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

GitHub CLI
$ gh skill install nexu-io/open-design fal-3d --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/fal-3d .claude/skills/fal-3d && 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
fal-3d
GitHub stars
100k
Token cost
~291 tokens
SKILL.md length
99 words
Files
1
Skills in repo
245
Repo updated
First seen
Licence
Apache-2.0

At a glance

Generate 3D models from text or images via fal.ai. An agent skill from nexu-io/open-design.

  • Tasks that involve 3D graphics and WebGL
  • SKILL.md covers What it does, Source and How to use
  • Reaches github.com
  • Tasks that involve Game assets and audio

What it does

Fal 3D is an agent skill from nexu-io/open-design. Generate 3D models from text or images via fal.ai. Useful for game assets, AR previews, product mockups, and concept sculpting.

Its SKILL.md is about 290 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 Game Development, covering 3D graphics and WebGL and Game assets and audio. It works with fal. 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 3D graphics and WebGL
  • Tasks that involve Game assets and audio

Example prompts

  • “/fal-3d”

What it can do on your machine

Read from SKILL.md and the folder at commit 17e2559. 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

Fal 3D loads about 291 tokens when it runs. Until then it costs about 34 tokens; SKILL.md has 99 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~34
When it runs · the whole SKILL.md, loaded when a task matches
~291

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 17e2559, republished under its Apache-2.0 licence (© nexu-io). 99 words, ~291 tokens.

Download SKILL.mdSave it as .claude/skills/fal-3d/SKILL.md (or your agent's skills folder).
name
fal-3d
description
Generate 3D models from text or images via fal.ai. Useful for game assets, AR previews, product mockups, and concept sculpting.
triggers
fal 3d, text to 3d, image to 3d, 3d model gen, game asset 3d
od.mode
image
od.category
3d-shaders
od.upstream
https://github.com/fal-ai-community/skills

fal-3d

Curated from the fal.ai community team.

What it does

Generate 3D models from text or images via fal.ai. Useful for game assets, AR previews, product mockups, and concept sculpting.

Source

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/fal-ai-community/skills

Then ask the agent to invoke this skill by name (fal-3d) or with one of the trigger phrases listed in this skill's frontmatter.

© nexu-io, 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

Just SKILL.md in skills/fal-3d of nexu-io/open-design.

Open the folder on GitHubat commit 17e2559

Compare with similar skills

Fal 3D 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.

Fal 3D compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Fal 3D this skillnexu-io/open-design100k—~291Automated safety check: PassApache-2.0
Fal Assetsrehan-remade/universal-modder6.1k—~2kAutomated safety check: NotesMIT
Game Asset Generatorhtdt/godogen7.1k—~2.8kAutomated safety check: PassMIT
Threejs 3D Generatorvalkor-ai/loom1.2k1 repos~2.6kAutomated safety check: PassApache-2.0
2D Sprite Generator0x0funky/agent-sprite-forge4.4k—~3.6kAutomated safety check: PassMIT
Text To 3D AssetLaurentiuGabriel/unreal-game-assets-creation-skill148—~2.1kAutomated safety check: PassNone

Similar skills

  • Fal Assets

    rehan-remade/universal-modder

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    6.1k GitHub stars~2k tokensUpdated today
    Game DevelopmentAuto-check: notes

  • Game Asset Generator

    htdt/godogen

    Generates game art from text prompts: PNG images, GLB 3D models, rigged characters, animations and sprites, with background removal.

    7.1k GitHub stars~2.8k tokensUpdated 9 days ago
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  • Text To 3D Asset

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Works with

Categories

Questions about Fal 3D

What does Fal 3D do?

Generate 3D models from text or images via fal.ai. An agent skill from nexu-io/open-design. Fal 3D is an agent skill from nexu-io/open-design.ai.

When should I use Fal 3D?

Fal 3D fits situations like: tasks that involve 3D graphics and WebGL; tasks that involve Game assets and audio.

How do I install Fal 3D in Claude Code?

Run `npx skills add nexu-io/open-design --skill fal-3d -a claude-code`. Or copy the skill folder (skills/fal-3d in nexu-io/open-design) into .claude/skills/fal-3d in your project. Claude Code loads it when a task matches its description.

How do I install Fal 3D in Codex?

Run `npx skills add nexu-io/open-design --skill fal-3d -a codex`. Or copy the skill folder (skills/fal-3d in nexu-io/open-design) into .agents/skills/fal-3d in your project. Codex loads it when a task matches its description.

Can I use Fal 3D 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 fal-3d -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/fal-3d, .gemini/skills/fal-3d, .github/skills/fal-3d and .opencode/skills/fal-3d in your project.

What does Fal 3D need to run?

SKILL.md names no scripts, command-line tools or credentials: Fal 3D is instructions for the agent only.

Does Fal 3D 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 Fal 3D 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 Fal 3D use?

Fal 3D 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 Fal 3D use?

About 291 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 Fal 3D?

Skills that share tags, products or a category with Fal 3D: Fal Assets (rehan-remade/universal-modder, 6.1k stars), Game Asset Generator (htdt/godogen, 7.1k stars), Threejs 3D Generator (valkor-ai/loom, 1.2k stars) and 2D Sprite Generator (0x0funky/agent-sprite-forge, 4.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fal 3D?

nexu-io (a GitHub organization) maintains it in nexu-io/open-design, which has 100,280 GitHub stars. The repository holds 245 skills in this directory. The repository was last updated on October 10, 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.