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Agent skill

Uloop Launch

by kurotu in kurotu/VRCQuestTools

A skill your agent uses when Unity Editor is not running or needs a clean restart.

MITAuto-check passedGame Development

Install Uloop Launch

skills CLI
$ npx skills add kurotu/VRCQuestTools --skill uloop-launch -a claude-code

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

GitHub CLI
$ gh skill install kurotu/VRCQuestTools uloop-launch --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/kurotu/VRCQuestTools.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/uloop-launch .claude/skills/uloop-launch && 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
uloop-launch
GitHub stars
373
Used in
1 other repo
Token cost
~431 tokens
SKILL.md length
151 words
Files
1
Skills in repo
25
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when Unity Editor is not running or needs a clean restart.

  • Unity Editor is not running
  • SKILL.md covers Usage, Parameters, Examples and Output
  • Calls npx
  • Needs a clean restart

What it does

Uloop Launch is an agent skill from kurotu/VRCQuestTools. Use when Unity Editor is not running or needs a clean restart.

Its SKILL.md is about 430 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. It works with Unity. The repository describes itself as: Unity editor extension to support uploading VRChat avatars for Oculus Quest. The licence is MIT.

When your agent uses it

  • Unity Editor is not running
  • Needs a clean restart

Example prompts

  • “/uloop-launch”

Requirements

  • Node.js

What it can do on your machine

Read from SKILL.md and the folder at commit c68d147. 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

    Shell commands in SKILL.md call:

    • npx

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

    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

Uloop Launch loads about 431 tokens when it runs. Until then it costs about 19 tokens; SKILL.md has 151 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~19
When it runs · the whole SKILL.md, loaded when a task matches
~431

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 kurotu/VRCQuestTools at commit c68d147, republished under its MIT licence (© kurotu). 151 words, ~431 tokens.

Download SKILL.mdSave it as .claude/skills/uloop-launch/SKILL.md (or your agent's skills folder).
name
uloop-launch
description
Use when Unity Editor is not running or needs a clean restart.

npx --yes uloop-cli@2.2.0 launch

Launch Unity Editor with the correct version for a project.

npx --yes uloop-cli@2.2.0 launch is not fire-and-forget. When Unity needs to start or restart, the command waits until Unity is actually ready for CLI operations before it exits.

Usage

bash
npx --yes uloop-cli@2.2.0 launch [project-path] [options]

Parameters

ParameterTypeDescription
project-pathstringOptional. Use only when the target Unity project is not in the current directory.
-r, --restartbooleanKill running Unity and restart
-p, --platform <P>stringBuild target (e.g., StandaloneOSX, Android, iOS)
--max-depth <N>numberSearch depth when project-path is omitted (default: 3, -1 for unlimited)
-a, --add-unity-hubbooleanAdd to Unity Hub only (does not launch)
-f, --favoritebooleanAdd to Unity Hub as favorite (does not launch)

Examples

bash
# Search for Unity project in current directory and launch
npx --yes uloop-cli@2.2.0 launch

# Launch specific project
npx --yes uloop-cli@2.2.0 launch /path/to/project

# Restart Unity (kill existing and relaunch)
npx --yes uloop-cli@2.2.0 launch -r

# Launch with build target
npx --yes uloop-cli@2.2.0 launch -p Android

# Add project to Unity Hub without launching
npx --yes uloop-cli@2.2.0 launch -a

Output

  • Prints detected Unity version
  • Prints project path
  • If Unity is already running, focuses the existing window
  • If launching, waits until Unity finishes startup and the CLI can connect to the project

© kurotu, MIT. 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 .claude/skills/uloop-launch of kurotu/VRCQuestTools.

Open the folder on GitHubat commit c68d147

Used in 1 other repository

We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in kurotu/VRCQuestTools, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Uloop Launch 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.

Uloop Launch compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Uloop Launch this skillkurotu/VRCQuestTools3731 repos~431Automated safety check: PassMIT
Fantasy Framework Development Guideqq362946/Fantasy1.4k—~5.8kAutomated safety check: PassCustom licence
Locus Unity BridgeMisaka-Mikoto-Tech/agent-skills275—~4kAutomated safety check: PassMIT
AibridgeFlameskyDexive/Legends-Of-Heroes929—~2.1kAutomated safety check: PassMIT
Unity SkillsBesty0728/Unity-Skills1.8k—~2kAutomated safety check: PassMIT
Uloop Control Play ModeCyberAgentGameEntertainment/NovaShader1.6k1 repos~1.3kAutomated safety check: PassMIT

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More from kurotu/VRCQuestTools

All 25 skills in this repo

  • Uloop Replay Input

    kurotu/VRCQuestTools

    Replay recorded PlayMode keyboard and mouse input. An agent skill from kurotu/VRCQuestTools.

    373 GitHub starsUsed in 3 repos~615 tokens
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  • Uloop Screenshot

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    Capture Unity Editor windows or Game View rendering as PNG. An agent skill from kurotu/VRCQuestTools.

    373 GitHub starsUsed in 3 repos~1.2k tokens
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  • Uloop Execute Dynamic Code

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    Execute C with Unity APIs when existing uloop tools cannot inspect or edit enough.

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  • Uloop Find Game Objects

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    Find or inspect Unity GameObjects, especially objects the user currently selected in the Hierarchy.

    373 GitHub starsUsed in 3 repos~982 tokens
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  • Uloop Record Input

    kurotu/VRCQuestTools

    Record PlayMode keyboard and mouse input to JSON. An agent skill from kurotu/VRCQuestTools.

    373 GitHub starsUsed in 1 repo~605 tokens
    Auto-check passed

  • Uloop Get Hierarchy

    kurotu/VRCQuestTools

    Get the Unity scene hierarchy as a structured tree. An agent skill from kurotu/VRCQuestTools.

    373 GitHub starsUsed in 3 repos~587 tokens
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Works with

Categories

Questions about Uloop Launch

What does Uloop Launch do?

A skill your agent uses when Unity Editor is not running or needs a clean restart. Uloop Launch is an agent skill from kurotu/VRCQuestTools. Use when Unity Editor is not running or needs a clean restart.

When should I use Uloop Launch?

Uloop Launch fits situations like: unity Editor is not running; needs a clean restart.

How do I install Uloop Launch in Claude Code?

Run `npx skills add kurotu/VRCQuestTools --skill uloop-launch -a claude-code`. Or copy the skill folder (.claude/skills/uloop-launch in kurotu/VRCQuestTools) into .claude/skills/uloop-launch in your project. Claude Code loads it when a task matches its description.

How do I install Uloop Launch in Codex?

Run `npx skills add kurotu/VRCQuestTools --skill uloop-launch -a codex`. Or copy the skill folder (.claude/skills/uloop-launch in kurotu/VRCQuestTools) into .agents/skills/uloop-launch in your project. Codex loads it when a task matches its description.

Can I use Uloop Launch 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 kurotu/VRCQuestTools --skill uloop-launch -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/uloop-launch, .gemini/skills/uloop-launch, .github/skills/uloop-launch and .opencode/skills/uloop-launch in your project.

What does Uloop Launch need to run?

Going by SKILL.md and its folder, Uloop Launch needs the command-line tools its instructions call (npx). Our summary lists: Node.js.

Does Uloop Launch access the network?

SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Uloop Launch 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 Uloop Launch use?

Uloop Launch 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 Uloop Launch use?

About 431 tokens (SKILL.md is roughly 1.7k 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 Uloop Launch?

Skills that share tags, products or a category with Uloop Launch: Fantasy Framework Development Guide (qq362946/Fantasy, 1.4k stars), Locus Unity Bridge (Misaka-Mikoto-Tech/agent-skills, 275 stars), Aibridge (FlameskyDexive/Legends-Of-Heroes, 929 stars) and Unity Skills (Besty0728/Unity-Skills, 1.8k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Uloop Launch?

kurotu (a GitHub user) maintains it in kurotu/VRCQuestTools, which has 373 GitHub stars. The repository holds 25 skills in this directory. The repository was last updated on September 30, 2026.

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