prod-by-claude

prod-by-claude is a skill for Claude Code, Codex from heygen-com/hyperframes-community-skills. It costs 125 tokens per session (1,439 once invoked), scanned A, original, Apache-2.0.

A video-making workflow for Strudel, a language for live-coded music. It renders the track and highlights each piece of code when its note plays.

In plain words
What is it for?
Use it to turn a Strudel track into a live-coding video, including a track composed from a brief and an arrangement with builds and drops.
Why use it?
It connects the visual display to the music's actual note events, so the code shown on screen follows the performance rather than serving as an unrelated visualizer.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to turn a Strudel track into a live-coding video, including a track composed from a brief and an arrangement with builds and drops.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/heygen-com/hyperframes-community-skills/prod-by-claude
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add heygen-com/hyperframes-community-skills --skill prod-by-claude
Clone the repo
git clone --depth 1 https://github.com/heygen-com/hyperframes-community-skills

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 prod-by-claude

README.md
[![agentmods](https://agentmods.dev/badge/skills/heygen-com/hyperframes-community-skills/prod-by-claude/github.svg)](https://agentmods.dev/skills/heygen-com/hyperframes-community-skills/prod-by-claude)
Your own site
<a href="https://agentmods.dev/skills/heygen-com/hyperframes-community-skills/prod-by-claude"><img src="https://agentmods.dev/badge/skills/heygen-com/hyperframes-community-skills/prod-by-claude/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 prod-by-claude

Your own site · 80×15
<a href="https://agentmods.dev/skills/heygen-com/hyperframes-community-skills/prod-by-claude"><img src="https://agentmods.dev/badge/skills/heygen-com/hyperframes-community-skills/prod-by-claude.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 125 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,439 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.
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 $0.00125 $0.01439
Opus 5.5 $0.00050 $0.00576
Sonnet 5.5 $0.00025 $0.00288
Haiku 4.5 $0.00013 $0.00144

Measured 21d ago against content hash 4180fcb9e029, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

prod-by-claude 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 21d ago.

The scan reads SKILL.md. This mod also ships 5 executable files (assets/example/track.strudel.js, assets/template/app.js, scripts/build-data.mjs, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/prod-by-claude/SKILL.md · 96 lines

How it starts

The opening of the file, as written. The whole thing — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.

prod-by-claude

Turn a Strudel track into a live-coding video. The music is rendered offline from the code, and the video is driven by Strudel's own note events, so every highlight lands on its note.

When to use

  • The user wants a video of Strudel code playing: "make a video of this Strudel track", "show the code lighting up", "live-coding video", or a track the agent composed for them.
  • Not for other audio or DAW projects, talking-head videos, or visualizers of an existing audio file with no Strudel code (use the HyperFrames music workflow for those).

Inputs

Tools and dependencies

  • Node 22 or newer, npm, and the HyperFrames CLI pinned to [email protected] (run through npx --yes).
  • tools/package.json pins everything else: @strudel/web 1.3.0 (AGPL-3.0, installed from npm, not bundled here), puppeteer-core 25.12.0, @puppeteer/browsers 3.2.3, and the OFL fonts @fontsource/jetbrains-mono 5.3.0 and @fontsource/rubik-mono-one 5.3.0.
  • Chrome for Testing 149.0.7827.22 for recording, or any Chrome given as CHROME=<path>.
  • No credentials.

Workflow

  1. Create the project (plain file copies): node <skill>/scripts/new-project.mjs <project-dir> [track.strudel.js]
  2. Edit <project-dir>/video.json: bars, builds, drops, themes, storm parts, signoff (references/video.md, references/themes.md). The template already matches the example track, so skip this step when using it.
  3. From <project-dir>/tools, install the pinned tools: npm install
  4. From <project-dir>/tools, if CHROME is not set, fetch Chrome for Testing: npx --yes @puppeteer/[email protected] install [email protected] --path .chrome
  5. From <project-dir>/tools, record: node record.mjs .. It takes about 5-7 minutes for 32 bars (give it a 10 minute timeout), prints levels per 4 bars and warns on clipping. Fix the track and record again until the drops peak at or below -2 dBFS with no clipped samples.
  6. From <project-dir>/tools, build the video data: node build-data.mjs .. It prints the snapshot command for step 7.
  7. From <project-dir>, run npx --yes [email protected] check ., then the printed snapshot command, and look at every frame (what to look for: references/video.md).
  8. From <project-dir>, render locally when the user asks for the video: npx --yes [email protected] render . -o renders/video.mp4 HyperFrames cloud render (npx --yes [email protected] cloud render .) spends credits on the user's account: use it only after the user explicitly agrees.

Read the full file on GitHub · 96 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. 21d ago First seen · 96 lines · 125 tokens per session scan A 4180fcb9e029

Subscribe to this mod's changes

prod-by-claude is a skill published in the GitHub repository heygen-com/hyperframes-community-skills (208 stars, last pushed 2d ago), licensed Apache-2.0. It adds 125 tokens to every session and 1,439 once invoked, about $0.0005 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 2026-09-25.

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