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Agent skill

Miniapp

by yc-software in yc-software/qm

Build a tiny interactive HTML playground only when someone asks to see, play with, or step through a mechanism.

MITAuto-check passedFrontend & Design

Install Miniapp

skills CLI
$ npx skills add yc-software/qm --skill miniapp -a claude-code

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

GitHub CLI
$ gh skill install yc-software/qm miniapp --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/yc-software/qm.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills-seed/miniapp .claude/skills/miniapp && 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
miniapp
GitHub stars
15k
Token cost
~212 tokens
SKILL.md length
103 words
Files
1
Skills in repo
29
Repo updated
First seen
Licence
MIT

At a glance

Build a tiny interactive HTML playground only when someone asks to see, play with, or step through a mechanism.

  • Tasks that involve HTML artifacts
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Miniapp is an agent skill from yc-software/qm. Build a tiny interactive HTML playground only when someone asks to see, play with, or step through a mechanism.

Its SKILL.md is about 210 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 Frontend & Design, covering HTML artifacts. The repository describes itself as: Multiplayer agent harness for work. The licence is MIT.

When your agent uses it

  • Tasks that involve HTML artifacts

Example prompts

  • “/miniapp”

What it can do on your machine

Read from SKILL.md and the folder at commit 0492745. 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

Miniapp loads about 212 tokens when it runs. Until then it costs about 30 tokens; SKILL.md has 103 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~30
When it runs · the whole SKILL.md, loaded when a task matches
~212

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 yc-software/qm at commit 0492745, republished under its MIT licence (© yc-software). 103 words, ~212 tokens.

Download SKILL.mdSave it as .claude/skills/miniapp/SKILL.md (or your agent's skills folder).
name
miniapp
description
Build a tiny interactive HTML playground only when someone asks to see, play with, or step through a mechanism.

Miniapp

In a web conversation, use the miniapp tool for a focused, one-screen interactive explanation, simulation, or small game. The tool is intentionally unavailable on surfaces that cannot render playground artifacts.

  • Keep HTML, CSS, and JavaScript self-contained.
  • Do not use network requests, external assets, modules, or servers.
  • Make controls keyboard-accessible and label them clearly.
  • Let the document choose its own presentation; the host will not rewrite it.
  • Do not put a marker or artifact URL in the reply. The client attaches the playground from the typed tool result.
  • Use apps action publish instead when the app needs persistence, a server, or multiple routes.

© yc-software, 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 skills-seed/miniapp of yc-software/qm.

Open the folder on GitHubat commit 0492745

Compare with similar skills

Miniapp 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.

Miniapp compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Miniapp this skillyc-software/qm15k—~212Automated safety check: PassMIT
LobeHub Interactive Prototypelobehub/lobehub83k—~1.6kAutomated safety check: PassCustom licence
Paperclip Pagepaperclipai/paperclip99k—~1kAutomated safety check: PassMIT
Openkb Deck NeonVectifyAI/OpenKB4.7k1 repos~4.3kAutomated safety check: PassApache-2.0
Webhome Homepage Builderwebhtv/webhtv1.7k—~3.8kAutomated safety check: PassGPL-3.0
Solo Artifactssolo-agent/solo697—~961Automated safety check: PassMIT

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  • Paperclip Page

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  • Google Workspace

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Categories

Questions about Miniapp

What does Miniapp do?

Build a tiny interactive HTML playground only when someone asks to see, play with, or step through a mechanism. Miniapp is an agent skill from yc-software/qm. Build a tiny interactive HTML playground only when someone asks to see, play with, or step through a mechanism.

When should I use Miniapp?

Miniapp fits situations like: tasks that involve HTML artifacts.

How do I install Miniapp in Claude Code?

Run `npx skills add yc-software/qm --skill miniapp -a claude-code`. Or copy the skill folder (skills-seed/miniapp in yc-software/qm) into .claude/skills/miniapp in your project. Claude Code loads it when a task matches its description.

How do I install Miniapp in Codex?

Run `npx skills add yc-software/qm --skill miniapp -a codex`. Or copy the skill folder (skills-seed/miniapp in yc-software/qm) into .agents/skills/miniapp in your project. Codex loads it when a task matches its description.

Can I use Miniapp 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 yc-software/qm --skill miniapp -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/miniapp, .gemini/skills/miniapp, .github/skills/miniapp and .opencode/skills/miniapp in your project.

What does Miniapp need to run?

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

Does Miniapp 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 Miniapp 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 Miniapp use?

Miniapp 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 Miniapp use?

About 212 tokens (SKILL.md is roughly 848 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 Miniapp?

Skills that share tags, products or a category with Miniapp: LobeHub Interactive Prototype (lobehub/lobehub, 83k stars), Paperclip Page (paperclipai/paperclip, 99k stars), Openkb Deck Neon (VectifyAI/OpenKB, 4.7k stars) and Webhome Homepage Builder (webhtv/webhtv, 1.7k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Miniapp?

yc-software (a GitHub organization) maintains it in yc-software/qm, which has 15,362 GitHub stars. The repository holds 29 skills in this directory. The repository was last updated on October 8, 2026.

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