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Agent skill

Unity Ecs Patterns

by wshobson in wshobson/agents

Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development.

MITAuto-check passedGame Development

Install Unity Ecs Patterns

skills CLI
$ npx skills add wshobson/agents --skill unity-ecs-patterns -a claude-code

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

GitHub CLI
$ gh skill install wshobson/agents unity-ecs-patterns --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/wshobson/agents.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/game-development/skills/unity-ecs-patterns .claude/skills/unity-ecs-patterns && 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
unity-ecs-patterns
GitHub stars
40k
Used in
8 other repos
Token cost
~517 tokens
SKILL.md length
170 words
Files
2 (incl. references)
Skills in repo
142
Repo updated
First seen
Licence
MIT

At a glance

Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development.

  • Works in 2 steps: ECS vs OOP → DOTS Components
  • Building data-oriented games
  • SKILL.md covers When to Use This Skill, Core Concepts, Detailed patterns and worked… and Best Practices
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Unity Ecs Patterns is an agent skill from wshobson/agents. Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development. Use when building data-oriented games, optimizing performance, or working with large entity counts.

Its SKILL.md is about 520 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/details.md`).

It sits in Game Development, covering Game development. The repository describes itself as: Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, Google Antigravity, and Pi. The licence is MIT.

When your agent uses it

  • Building data-oriented games
  • Optimizing performance
  • Working with large entity counts

Example prompts

  • “/unity-ecs-patterns”

Workflow steps

2 steps, taken from the step headings in SKILL.md.

  1. ECS vs OOP
  2. DOTS Components

What it can do on your machine

Read from SKILL.md and the folder at commit 46891e7. 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

Unity Ecs Patterns loads about 517 tokens when it runs, and up to ~4.1k if it reads all its reference files. Until then it costs about 57 tokens; SKILL.md has 170 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~57
When it runs · the whole SKILL.md, loaded when a task matches
~517
With references · SKILL.md plus every file in references/, read only if the agent opens them
~4.1k

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 wshobson/agents at commit 46891e7, republished under its MIT licence (© wshobson). 170 words, ~517 tokens.

Download SKILL.mdSave it as .claude/skills/unity-ecs-patterns/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
unity-ecs-patterns
description
Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development. Use when building data-oriented games, optimizing performance, or working with large entity counts.

Unity ECS Patterns

Production patterns for Unity's Data-Oriented Technology Stack (DOTS) including Entity Component System, Job System, and Burst Compiler.

When to Use This Skill

  • Building high-performance Unity games
  • Managing thousands of entities efficiently
  • Implementing data-oriented game systems
  • Optimizing CPU-bound game logic
  • Converting OOP game code to ECS
  • Using Jobs and Burst for parallelization

Core Concepts

1. ECS vs OOP
AspectTraditional OOPECS/DOTS
Data layoutObject-orientedData-oriented
MemoryScatteredContiguous
ProcessingPer-objectBatched
ScalingPoor with countLinear scaling
Best forComplex behaviorsMass simulation
2. DOTS Components
Entity: Lightweight ID (no data)
Component: Pure data (no behavior)
System: Logic that processes components
World: Container for entities
Archetype: Unique combination of components
Chunk: Memory block for same-archetype entities

Detailed patterns and worked examples

Detailed pattern documentation lives in references/details.md. Read that file when the navigation tier above is insufficient.

Best Practices

Do's
  • Use ISystem over SystemBase - Better performance
  • Burst compile everything - Massive speedup
  • Batch structural changes - Use ECB
  • Profile with Profiler - Identify bottlenecks
  • Use Aspects - Clean component grouping
Don'ts
  • Don't use managed types - Breaks Burst
  • Don't structural change in jobs - Use ECB
  • Don't over-architect - Start simple
  • Don't ignore chunk utilization - Group similar entities
  • Don't forget disposal - Native collections leak

© wshobson, 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 1 other file (references) in plugins/game-development/skills/unity-ecs-patterns of wshobson/agents.

  • SKILL.md
  • references/details.md

Open the folder on GitHubat commit 46891e7

Used in 8 other repositories

We found 18 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 8 other GitHub owners. This page covers the copy in wshobson/agents, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Unity Ecs Patterns 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.

Unity Ecs Patterns compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Unity Ecs Patterns this skillwshobson/agents40k8 repos~517Automated safety check: PassMIT
Sprite Genaldegad/sprite-gen2.6k—~4.4kAutomated safety check: PassApache-2.0
Godot Gdscript Patterns925236118/AlphaAgent1039 repos~5kAutomated safety check: PassMIT
2D Map and Scene Generator0x0funky/agent-sprite-forge4.3k—~2.9kAutomated safety check: PassMIT
Fantasy Framework Development Guideqq362946/Fantasy1.4k—~5.8kAutomated safety check: PassCustom licence
Asset Pipelinerehan-remade/universal-modder4.7k—~2kAutomated safety check: PassMIT

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Categories

Questions about Unity Ecs Patterns

What does Unity Ecs Patterns do?

Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development. Unity Ecs Patterns is an agent skill from wshobson/agents. Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development.

When should I use Unity Ecs Patterns?

Unity Ecs Patterns fits situations like: building data-oriented games; optimizing performance; working with large entity counts.

How do I install Unity Ecs Patterns in Claude Code?

Run `npx skills add wshobson/agents --skill unity-ecs-patterns -a claude-code`. Or copy the skill folder (plugins/game-development/skills/unity-ecs-patterns in wshobson/agents) into .claude/skills/unity-ecs-patterns in your project. Claude Code loads it when a task matches its description.

How do I install Unity Ecs Patterns in Codex?

Run `npx skills add wshobson/agents --skill unity-ecs-patterns -a codex`. Or copy the skill folder (plugins/game-development/skills/unity-ecs-patterns in wshobson/agents) into .agents/skills/unity-ecs-patterns in your project. Codex loads it when a task matches its description.

Can I use Unity Ecs Patterns 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 wshobson/agents --skill unity-ecs-patterns -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/unity-ecs-patterns, .gemini/skills/unity-ecs-patterns, .github/skills/unity-ecs-patterns and .opencode/skills/unity-ecs-patterns in your project.

What does Unity Ecs Patterns need to run?

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

Does Unity Ecs Patterns 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 Unity Ecs Patterns 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 Unity Ecs Patterns use?

Unity Ecs Patterns is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Unity Ecs Patterns use?

About 517 tokens (SKILL.md is roughly 2.1k 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 3.6k tokens, read only when the agent opens those files.

What are the alternatives to Unity Ecs Patterns?

Skills that share tags, products or a category with Unity Ecs Patterns: Sprite Gen (aldegad/sprite-gen, 2.6k stars), Godot Gdscript Patterns (925236118/AlphaAgent, 103 stars), 2D Map and Scene Generator (0x0funky/agent-sprite-forge, 4.3k stars) and Fantasy Framework Development Guide (qq362946/Fantasy, 1.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Unity Ecs Patterns?

wshobson (a GitHub user) maintains it in wshobson/agents, which has 40,254 GitHub stars. The repository holds 142 skills in this directory. The repository was last updated on October 5, 2026.

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