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Unity Sprite Atlas

/manage-sprite-atlas

Manages SpriteAtlas assets through a prebuild pipeline, covering master and variant atlases, packing settings, and platform overrides.

GitHub stars
1,118
(repository stars as of 2026-10-21)
License
Unity Companion License
Last commit
2026/10/20
By
Unity Technologies

Part of

Unity Skills (official)

Unity's own collection of skills for AI coding agents: prompts, slash commands and tools built for Unity workflows.

Listed from the author's README. GameSkill has not run this end to end yet. Agent support and install steps are as documented by the author.

Install

Any agent (skills CLI)
npx skills add Unity-Technologies/skills --skill manage-sprite-atlas

Installs only this skill. Add -a claude-code (puts it in .claude/skills/), -a codex or -a cursor (.agents/skills/) to choose the agent, and -g to install it for your user instead of the project.

Commands are copied from the project's README. Check the repository before running anything on your machine.

Install for a specific agent
Agents-aFolder
Claude Codeclaude-code.claude/skills/
Codexcodex.agents/skills/
Cursorcursor.agents/skills/
Gemini CLIgemini-cli.agents/skills/
GitHub Copilotgithub-copilot.agents/skills/
OpenCodeopencode.agents/skills/
Windsurfwindsurf.windsurf/skills/

Add -a <flag> to the command. These are project folders; add -g to install for your user account instead.

What you get

  • Worked steps: Check for Existing Scripts; Delivery Mechanism; SpritePacker Mode
  • Bundled 6 reference docs and 38 supporting files the agent reads when needed

Good fit

  • When asked to create or optimize sprite atlases

Try this prompt

Prompt
Create sprite atlases for my UI and character sprites with platform overrides.

About this skill

Manages SpriteAtlas assets through a prebuild pipeline, covering master and variant atlases, packing settings, and platform overrides. Use when asked to create or optimize sprite atlases.

From the manage-sprite-atlas SKILL.md in Unity-Technologies/skills.

What's inside

  • 🚨 CRITICAL: Required Checks and User Inputs Before Implementation
  • Read the shipped resources before writing code (REQUIRED)
  • Check for Existing Scripts (REQUIRED FIRST STEP)
  • Delivery Mechanism (REQUIRED)
  • SpritePacker Mode (REQUIRED)
  • 🚨 CRITICAL: Default Approach is Prebuild Generation
  • ❌ DO NOT Create Manual Menu Item Scripts
  • 🚨 CRITICAL: Sprite Source Location Restriction
  • Critical V2 Architecture
  • Forbidden Cross-Context Usage (Common Error Sources)

Good to know

Maintained and published by Unity. Many skills drive the open Unity Editor through the Unity CLI instead of editing scene files by hand.

Requirements

  • A Unity project
  • Unity CLI (recommended: many skills drive the open Editor through it)

FAQ

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