livecodes: Skill for Claude Code

.agents/skills/livecodes/framework-wrappers/SKILL.md

framework-wrappers is a skill for Claude Code, Codex from live-codes/livecodes. It costs 49 tokens per session (2,814 once invoked), scanned A, original, MIT.

Framework-specific components for embedding LiveCodes, an in-browser coding playground, in React, Vue, Svelte, Solid, Preact, or Web Components applications.

In plain words
What is it for?
Use them to embed editable code examples or playgrounds, pass configuration and display settings, and trigger playground actions such as running code.
Why use it?
They handle the setup and updates needed to place a LiveCodes playground inside a framework application and let the app control it when ready.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is live-codes/livecodes's own configuration. It tells Claude Code and Codex how to work on livecodes itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything livecodes configures →

About the project

live-codes/livecodes is a browser-based code playground for writing and running code in more than 90 languages, frameworks, and processors. It is used to experiment with code, import modules, embed interactive editors in websites, and host playgrounds on a static file server without a backend. The catalogue add-ons support working with LiveCodes.

live-codes/livecodes · 1,525 stars · on GitHub · livecodes.io

Reuse

Borrowing it

Nothing to install: this file belongs to live-codes/livecodes. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/live-codes/livecodes/develop/.agents/skills/livecodes/framework-wrappers/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/live-codes/livecodes

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for framework-wrappers

README.md
[![agentmods](https://agentmods.dev/badge/skills/live-codes/livecodes/framework-wrappers/github.svg)](https://agentmods.dev/skills/live-codes/livecodes/framework-wrappers)
Your own site
<a href="https://agentmods.dev/skills/live-codes/livecodes/framework-wrappers"><img src="https://agentmods.dev/badge/skills/live-codes/livecodes/framework-wrappers/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for framework-wrappers

Your own site · 80×15
<a href="https://agentmods.dev/skills/live-codes/livecodes/framework-wrappers"><img src="https://agentmods.dev/badge/skills/live-codes/livecodes/framework-wrappers.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,814 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00049 $0.02814
Opus 5.5 $0.00020 $0.01126
Sonnet 5.5 $0.00010 $0.00563
Haiku 4.5 $0.00005 $0.00281

Measured 1mo ago against content hash b0f1f826655b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

framework-wrappers scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/livecodes/framework-wrappers/SKILL.md · 493 lines

How it starts

The opening of the file, as written. The whole thing — 493 lines — stays where its author put it; the contents beside it link to each section on GitHub.

This skill builds on sdk-embedding and sdk-methods. Read them first for foundational concepts about createPlayground, SDK methods, and configuration.

LiveCodes — Framework SDK Wrappers

LiveCodes provides framework-specific components that wrap the core SDK. Each wrapper handles lifecycle, reactivity, and props.

React

import LiveCodes from 'livecodes/react';

// Basic usage
function App() {
  return <LiveCodes template="react" />;
}

// With config
function App() {
  const config = {
    markup: { language: 'markdown', content: '# Hello World' },
  };
  return <LiveCodes config={config} height="400px" />;
}

// Access SDK methods via sdkReady
function App() {
  const [playground, setPlayground] = useState(null);

  const handleRun = async () => {
    await playground?.run();
  };

  return (
    <>
      <LiveCodes
        template="react"
        sdkReady={setPlayground}
      />
      <button onClick={handleRun}>Run</button>
    </>
  );
}

// TypeScript
import LiveCodes, { type Props } from 'livecodes/react';

const options: Props = {
  config: { /* ... */ },
  height: '500px',
};

export default () => <LiveCodes {...options} />;

React: Available Props

Prop Type Description
All EmbedOptions — Pass EmbedOptions as props
className string Container class name
height string Container height
style object Container styles
sdkReady (sdk: Playground) => void Callback with SDK instance

React: Reactive Props

function App() {
  const [config, setConfig] = useState({
    markup: { language: 'html', content: '<h1>Hello</h1>' },
  });

  // Changing config uses setConfig() - no full reload
  const switchToMarkdown = () => {
    setConfig({
      markup: { language: 'markdown', content: '# Hello' },
    });
  };

  // Changing other props causes full reload
  // <LiveCodes template={template} /> // changing template reloads

  return (
    <>
      <LiveCodes config={config} />
      <button onClick={switchToMarkdown}>Switch to Markdown</button>
    </>
  );
}

Read the full file on GitHub · 493 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago Changed · +1 lines · -2 tokens per session b0f1f826655b
  2. 2mo ago First seen · 492 lines · 51 tokens per session scan A a2d6f700faeb

Subscribe to this mod's changes

framework-wrappers is a skill published in the GitHub repository live-codes/livecodes (1,525 stars, last pushed 13d ago), licensed MIT. It adds 49 tokens to every session and 2,814 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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