How do I install the Unity CLI skill?

Run npx skillmds@latest add javimosch/unity-cli in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Unity CLI safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Unity CLI?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Unity CLI free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Unity CLI?

javimosch (@javimosch) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Unity CLI by javimosch — Agent Skill

Name: Unity CLI
Author: javimosch

File contents

Unity CLI Plugin

Control Unity Editor from the command line. Built for AI agents, works with anything.

What is unity-cli?

unity-cli is a single binary that talks directly to Unity via HTTP. No server to run, no config to write, no process to manage. Just type a command.

Quick Start

# Check Unity connection
sc unity-cli editor status

# Enter play mode and wait
sc unity-cli editor play --wait

# Run C# code inside Unity
sc unity-cli exec code --code "return Application.dataPath;"

# Read console logs
sc unity-cli console read --type error

Key Commands

Editor Control

sc unity-cli editor play - Enter play mode
sc unity-cli editor play --wait - Enter play mode and wait for completion
sc unity-cli editor stop - Stop play mode
sc unity-cli editor pause - Toggle pause

Console Logs

sc unity-cli console read - Read error and warning logs
sc unity-cli console read --lines 20 --filter error,warning,log - Read last 20 log entries
sc unity-cli console read --type error - Read only errors
sc unity-cli console read --stacktrace user - Include stack traces

Execute C# Code

sc unity-cli exec code --code "return Application.dataPath;" - Run C# code
sc unity-cli exec code --code "return World.All.Count;" --usings Unity.Entities - With custom namespaces

Menu Items

sc unity-cli menu execute --path "File/Save Project" - Execute menu item by path

Asset Reserialize

sc unity-cli reserialize assets - Reserialize entire project
sc unity-cli reserialize assets --assets Assets/Prefabs/Player.prefab - Reserialize specific asset

Profiler

sc unity-cli profiler hierarchy - Read profiler hierarchy
sc unity-cli profiler hierarchy --depth 3 - Recursive drill-down

Unity Setup

Add the Unity Connector package via Package Manager → Add package from git URL:

https://github.com/youngwoocho02/unity-cli.git?path=unity-connector

Installation

curl -fsSL https://raw.githubusercontent.com/youngwoocho02/unity-cli/master/install.sh | sh

Use Cases

Automate Unity Editor workflows from scripts
Run C# code snippets without opening Unity
Batch process Unity assets
Integrate Unity into CI/CD pipelines
Control Unity from AI agents

---name: unity-clidescription: Use this skill when the user wants to control Unity Editor from the command line, run C# code in Unity, or automate Unity workflows.---# Unity CLI PluginControl Unity Editor from the command line. Built for AI agents, works with anything.## What is unity-cli?unity-cli is a single binary that talks directly to Unity via HTTP. No server to run, no config to write, no process to manage. Just type a command.## Quick Start```bash# Check Unity connectionsc unity-cli editor status# Enter play mode and waitsc unity-cli editor play --wait# Run C# code inside Unitysc unity-cli exec code --code "return Application.dataPath;"# Read console logssc unity-cli console read --type error```## Key Commands### Editor Control- `sc unity-cli editor play` - Enter play mode- `sc unity-cli editor play --wait` - Enter play mode and wait for completion- `sc unity-cli editor stop` - Stop play mode- `sc unity-cli editor pause` - Toggle pause### Console Logs- `sc unity-cli console read` - Read error and warning logs- `sc unity-cli console read --lines 20 --filter error,warning,log` - Read last 20 log entries- `sc unity-cli console read --type error` - Read only errors- `sc unity-cli console read --stacktrace user` - Include stack traces### Execute C# Code- `sc unity-cli exec code --code "return Application.dataPath;"` - Run C# code- `sc unity-cli exec code --code "return World.All.Count;" --usings Unity.Entities` - With custom namespaces### Menu Items- `sc unity-cli menu execute --path "File/Save Project"` - Execute menu item by path### Asset Reserialize- `sc unity-cli reserialize assets` - Reserialize entire project- `sc unity-cli reserialize assets --assets Assets/Prefabs/Player.prefab` - Reserialize specific asset### Profiler- `sc unity-cli profiler hierarchy` - Read profiler hierarchy- `sc unity-cli profiler hierarchy --depth 3` - Recursive drill-down## Unity SetupAdd the Unity Connector package via Package Manager → Add package from git URL:```https://github.com/youngwoocho02/unity-cli.git?path=unity-connector```## Installation```bashcurl -fsSL https://raw.githubusercontent.com/youngwoocho02/unity-cli/master/install.sh | sh```## Use Cases- Automate Unity Editor workflows from scripts- Run C# code snippets without opening Unity- Batch process Unity assets- Integrate Unity into CI/CD pipelines- Control Unity from AI agents

Frequently asked questions

Unity CLI