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Agent skill

Uloop Control Play Mode

by kurotu in kurotu/VRCQuestTools

Control Unity Editor Play Mode. An agent skill from kurotu/VRCQuestTools.

MITAuto-check passedGame Development

Install Uloop Control Play Mode

skills CLI
$ npx skills add kurotu/VRCQuestTools --skill uloop-control-play-mode -a claude-code

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

GitHub CLI
$ gh skill install kurotu/VRCQuestTools uloop-control-play-mode --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-control-play-mode .claude/skills/uloop-control-play-mode && 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-control-play-mode
GitHub stars
373
Used in
1 other repo
Token cost
~400 tokens
SKILL.md length
139 words
Files
1
Skills in repo
25
Repo updated
First seen
Licence
MIT

At a glance

Control Unity Editor Play Mode. An agent skill from kurotu/VRCQuestTools.

  • Pause Play Mode for runtime behavior checks and frame inspection
  • SKILL.md covers Usage, Parameters, Global Options and Examples, plus 2 more sections
  • Calls npx

What it does

Uloop Control Play Mode is an agent skill from kurotu/VRCQuestTools. Control Unity Editor Play Mode. Use to start, stop, or pause Play Mode for runtime behavior checks and frame inspection.

Its SKILL.md is about 400 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

  • Pause Play Mode for runtime behavior checks and frame inspection

Example prompts

  • “/uloop-control-play-mode”

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 Control Play Mode loads about 400 tokens when it runs. Until then it costs about 36 tokens; SKILL.md has 139 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~36
When it runs · the whole SKILL.md, loaded when a task matches
~400

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). 139 words, ~400 tokens.

Download SKILL.mdSave it as .claude/skills/uloop-control-play-mode/SKILL.md (or your agent's skills folder).
name
uloop-control-play-mode
description
Control Unity Editor Play Mode. Use to start, stop, or pause Play Mode for runtime behavior checks and frame inspection.

npx --yes uloop-cli@2.2.0 control-play-mode

Control Unity Editor play mode (play/stop/pause).

Usage

bash
npx --yes uloop-cli@2.2.0 control-play-mode [options]

Parameters

ParameterTypeDefaultDescription
--actionstringPlayAction to perform: Play, Stop, Pause

Global Options

OptionDescription
--project-path <path>Optional. Use only when the target Unity project is not the current directory.

Examples

bash
# Start play mode
npx --yes uloop-cli@2.2.0 control-play-mode --action Play

# Stop play mode
npx --yes uloop-cli@2.2.0 control-play-mode --action Stop

# Pause play mode
npx --yes uloop-cli@2.2.0 control-play-mode --action Pause

Output

Returns JSON with the current play mode state:

  • IsPlaying: Whether Unity is currently in play mode
  • IsPaused: Whether play mode is paused
  • Message: Description of the action performed

Notes

  • Play action starts the game in the Unity Editor (also resumes from pause)

  • Stop action exits play mode and returns to edit mode

  • Pause action pauses the game while remaining in play mode

  • Useful for automated testing workflows

  • PlayMode entry may complete on the next editor frame. If a PlayMode-dependent command reports "PlayMode is not active" immediately after --action Play, wait briefly and retry.

© 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-control-play-mode 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 Control Play Mode 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 Control Play Mode compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Uloop Control Play Mode this skillkurotu/VRCQuestTools3731 repos~400Automated safety check: PassMIT
Fantasy Framework Development Guideqq362946/Fantasy1.4k—~5.8kAutomated safety check: PassCustom licence
Locus Unity BridgeMisaka-Mikoto-Tech/agent-skills278—~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
    Auto-check passed

  • Uloop Screenshot

    kurotu/VRCQuestTools

    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
    Auto-check passed

  • Uloop Execute Dynamic Code

    kurotu/VRCQuestTools

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

    373 GitHub starsUsed in 1 repo~1.6k tokens
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  • Uloop Find Game Objects

    kurotu/VRCQuestTools

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

    373 GitHub starsUsed in 3 repos~982 tokens
    Auto-check passed

  • 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
    Auto-check passed

Works with

Categories

Questions about Uloop Control Play Mode

What does Uloop Control Play Mode do?

Control Unity Editor Play Mode. An agent skill from kurotu/VRCQuestTools. Uloop Control Play Mode is an agent skill from kurotu/VRCQuestTools. Control Unity Editor Play Mode.

When should I use Uloop Control Play Mode?

Uloop Control Play Mode fits situations like: pause Play Mode for runtime behavior checks and frame inspection.

How do I install Uloop Control Play Mode in Claude Code?

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

How do I install Uloop Control Play Mode in Codex?

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

Can I use Uloop Control Play Mode 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-control-play-mode -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-control-play-mode, .gemini/skills/uloop-control-play-mode, .github/skills/uloop-control-play-mode and .opencode/skills/uloop-control-play-mode in your project.

What does Uloop Control Play Mode need to run?

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

Does Uloop Control Play Mode 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 Control Play Mode 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 Control Play Mode use?

Uloop Control Play Mode 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 Control Play Mode use?

About 400 tokens (SKILL.md is roughly 1.6k 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 Control Play Mode?

Skills that share tags, products or a category with Uloop Control Play Mode: Fantasy Framework Development Guide (qq362946/Fantasy, 1.4k stars), Locus Unity Bridge (Misaka-Mikoto-Tech/agent-skills, 278 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 Control Play Mode?

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.