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Agent skill

Geometry Nodes

by arjun988 in arjun988/blender-skills

Blender Geometry Nodes for procedural modeling, scatter systems, vegetation, buildings, pipes, cables, and reusable node groups.

MITAuto-check passedGame Development

Install Geometry Nodes

skills CLI
$ npx skills add arjun988/blender-skills --skill geometry-nodes -a claude-code

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

GitHub CLI
$ gh skill install arjun988/blender-skills geometry-nodes --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/arjun988/blender-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/geometry-nodes .claude/skills/geometry-nodes && 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
geometry-nodes
GitHub stars
271
Token cost
~963 tokens
SKILL.md length
306 words
Files
3 (incl. references)
Skills in repo
38
Repo updated
First seen
Licence
MIT

At a glance

Blender Geometry Nodes for procedural modeling, scatter systems, vegetation, buildings, pipes, cables, and reusable node groups.

  • Works in 5 steps: Create geometry nodes modifier via MCP → Configure group inputs via MCP → Query instance count and final polycount → …
  • Procedural asset generation and instancing pipelines via MCP
  • SKILL.md covers When to Use, Workflow, Node Group Standards and Core Patterns, plus 7 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Geometry Nodes is an agent skill from arjun988/blender-skills. Blender Geometry Nodes for procedural modeling, scatter systems, vegetation, buildings, pipes, cables, and reusable node groups. Use for procedural asset generation and instancing pipelines via MCP.

Its SKILL.md is about 960 tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files, including reference files (for example `references/building-generators.md` and `references/scatter-systems.md`).

It sits in Game Development, covering Game assets and audio and MCP servers. It works with Model Context Protocol and Blender. The repository describes itself as: 94 specialist Blender skills for Cursor, Claude Code, Kiro & Codex - MCP-powered production pipeline from blockout to engine export. The licence is MIT.

When your agent uses it

  • Procedural asset generation and instancing pipelines via MCP
  • Tasks that involve Game assets and audio
  • Tasks that involve MCP servers

Example prompts

  • “/geometry-nodes”

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Create geometry nodes modifier via MCP
  2. Configure group inputs via MCP
  3. Query instance count and final polycount
  4. Realize geometry for export via MCP
  5. Organize GN objects in dedicated collection

What it can do on your machine

Read from SKILL.md and the folder at commit 8f778d2. 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

Geometry Nodes loads about 963 tokens when it runs, and up to ~1.4k if it reads all its reference files. Until then it costs about 53 tokens; SKILL.md has 306 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~53
When it runs · the whole SKILL.md, loaded when a task matches
~963
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.4k

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 arjun988/blender-skills at commit 8f778d2, republished under its MIT licence (© arjun988). 306 words, ~963 tokens.

Download SKILL.mdSave it as .claude/skills/geometry-nodes/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
geometry-nodes
description
Blender Geometry Nodes for procedural modeling, scatter systems, vegetation, buildings, pipes, cables, and reusable node groups. Use for procedural asset generation and instancing pipelines via MCP.
license
MIT
metadata.author
https://github.com/arjun988
metadata.version
1.0.0
metadata.domain
blender
metadata.role
specialist
metadata.triggers
geometry nodes, procedural, scatter, node group, GN_, instancing, parametric
metadata.related-skills
procedural-modeling, environment-artist, blender-modeler

Geometry Nodes

Reusable procedural systems. Parametric assets. Performance-aware instancing.

When to Use

  • Scatter systems (rocks, vegetation, debris)
  • Parametric buildings, roads, pipes, cables
  • Procedural variation without unique modeling
  • Kit assembly with randomization
  • Non-destructive iteration on large scenes

Workflow

Define Parameters → Build Node Tree → Create Node Group (GN_)
    → Test Variations → Bake/Instance Decision → Export Integration

Node Group Standards

  • Prefix: GN_[System]_[Descriptor]
  • Expose only necessary inputs (seed, density, scale range)
  • Document input ranges in group name or custom properties
  • Version node groups: GN_Scatter_Rocks_v02

Core Patterns

Scatter System
Mesh Surface → Distribute Points on Faces → Instance on Points
    → Randomize Rotation (Z) → Randomize Scale → Realize (optional)
Building Generator
Floor Count (input) → Repeat Mesh → Stack Instances
    → Window Cut Pattern → Material Variation → Output
Cable/Pipe Routing
Curve Input → Curve to Mesh (profile) → Subdivide → Set Material
    → Multiple curves from single path node
Rock Formation
Ico Sphere → Displace (noise) → Decimate → Instance Scatter

Randomization

ParameterTypical Range
Scale0.8–1.2 (uniform or per-axis)
Rotation Z0–360°
Density0.1–2.0 per m²
SeedInteger for reproducibility

Always expose seed as group input for art direction iteration.

Performance Rules

ScenarioApproach
Game exportRealize instances → decimate → export mesh
Background scatterKeep instanced; limit count
Hero proceduralBake to static mesh for engine
Viewport previewLimit instance count attribute

Reusable Systems Library

GroupPurpose
GN_Scatter_ObjectsGeneric surface scatter
GN_Array_ModularLinear modular repetition
GN_Curve_PipePipe/cable along curve
GN_Wall_VariantParametric wall sections
GN_Vegetation_ClusterTree/bush clustering

MCP Integration

  1. Create geometry nodes modifier via MCP
  2. Configure group inputs via MCP
  3. Query instance count and final polycount
  4. Realize geometry for export via MCP
  5. Organize GN objects in dedicated collection

Integration with Export

Before export:

  1. Apply geometry nodes modifier OR
  2. Realize instances and merge OR
  3. Export as instances if engine supports (Unreal HISM)

Document which approach per target engine.

Constraints

MUST DO
  • Create reusable node groups, not one-off trees
  • Expose seed and density as inputs
  • Test at min/max parameter extremes
  • Realize/bake before game export unless engine supports instances
  • Name groups with GN_ prefix
MUST NOT DO
  • Million-instance scatter without LOD/culling plan
  • Nested realize operations (performance killer)
  • Hardcode values that should be inputs
  • Export procedural without polycount validation
  • Skip variation testing at boundary values

Reference Guide

TopicReferenceLoad When
Scatter recipesreferences/scatter-systems.mdEnvironment scatter
Building generatorsreferences/building-generators.mdArchitectural procedural

© arjun988, MIT. 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 2 other files (references) in .claude/skills/geometry-nodes of arjun988/blender-skills.

  • SKILL.md
  • references/building-generators.md
  • references/scatter-systems.md

Open the folder on GitHubat commit 8f778d2

Compare with similar skills

Geometry Nodes 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.

Geometry Nodes compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Geometry Nodes this skillarjun988/blender-skills271—~963Automated safety check: PassMIT
Fmodel Unpackpa001024/dna-builder134—~2.6kAutomated safety check: PassMIT
Scenario Patina Retexturescenario-labs/skills898—~3.5kAutomated safety check: PassMIT
Fal Assetsrehan-remade/universal-modder4.7k—~2kAutomated safety check: NotesMIT
Scenario Orbit Viewsscenario-labs/skills898—~2.3kAutomated safety check: PassMIT
Scenario 3Dscenario-labs/skills898—~3.8kAutomated safety check: PassMIT

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Works with

Categories

Questions about Geometry Nodes

What does Geometry Nodes do?

Blender Geometry Nodes for procedural modeling, scatter systems, vegetation, buildings, pipes, cables, and reusable node groups. Geometry Nodes is an agent skill from arjun988/blender-skills. Blender Geometry Nodes for procedural modeling, scatter systems, vegetation, buildings, pipes, cables, and reusable node groups.

When should I use Geometry Nodes?

Geometry Nodes fits situations like: procedural asset generation and instancing pipelines via MCP; tasks that involve Game assets and audio; tasks that involve MCP servers.

How do I install Geometry Nodes in Claude Code?

Run `npx skills add arjun988/blender-skills --skill geometry-nodes -a claude-code`. Or copy the skill folder (.claude/skills/geometry-nodes in arjun988/blender-skills) into .claude/skills/geometry-nodes in your project. Claude Code loads it when a task matches its description.

How do I install Geometry Nodes in Codex?

Run `npx skills add arjun988/blender-skills --skill geometry-nodes -a codex`. Or copy the skill folder (.claude/skills/geometry-nodes in arjun988/blender-skills) into .agents/skills/geometry-nodes in your project. Codex loads it when a task matches its description.

Can I use Geometry Nodes 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 arjun988/blender-skills --skill geometry-nodes -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/geometry-nodes, .gemini/skills/geometry-nodes, .github/skills/geometry-nodes and .opencode/skills/geometry-nodes in your project.

What does Geometry Nodes need to run?

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

Does Geometry Nodes 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 Geometry Nodes 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 Geometry Nodes use?

Geometry Nodes is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Geometry Nodes use?

About 963 tokens (SKILL.md is roughly 3.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 422 tokens, read only when the agent opens those files.

What are the alternatives to Geometry Nodes?

Skills that share tags, products or a category with Geometry Nodes: Fmodel Unpack (pa001024/dna-builder, 134 stars), Scenario Patina Retexture (scenario-labs/skills, 898 stars), Fal Assets (rehan-remade/universal-modder, 4.7k stars) and Scenario Orbit Views (scenario-labs/skills, 898 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Geometry Nodes?

arjun988 (a GitHub user) maintains it in arjun988/blender-skills, which has 271 GitHub stars. The repository holds 38 skills in this directory. The repository was last updated on July 10, 2026.

Source: arjun988/blender-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.