Agent skill

Guided Product Demo

by BintzGavin in BintzGavin/helios

End-to-end guided workflow for creating a product demo or showcase video.

Apache-2.0Auto-check: notesMedia & Creative

Install Guided Product Demo

skills CLI
$ npx skills add BintzGavin/helios --skill guided-product-demo -a claude-code

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

GitHub CLI
$ gh skill install BintzGavin/helios guided-product-demo --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/BintzGavin/helios.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/guided/product-demo .claude/skills/guided-product-demo && 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
guided-product-demo
GitHub stars
119
Token cost
~1.8k tokens
SKILL.md length
834 words
Files
1
Skills in repo
16
Repo updated
First seen
Licence
Apache-2.0

At a glance

End-to-end guided workflow for creating a product demo or showcase video.

  • Works in 2 steps: "Are we inside your brand's repository,… → "Would you like generated background…
  • Making product demos
  • Needs ELEVEN_LABS_API_KEY
  • Feature showcases

What it does

Guided Product Demo is an agent skill from BintzGavin/helios. End-to-end guided workflow for creating a product demo or showcase video. Extracts brand identity from the repo, generates a polished soundtrack, and produces a feature-focused motion.dev composition rendered via Helios CLI. Use when making product demos, feature showcases, or UI walkthroughs.

Its SKILL.md is about 1.8k 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 Media & Creative, covering Brand strategy and identity and Music and audio generation. It works with Motion. The repository describes itself as: Programmatic video creation with web technologies you already know. CSS animations just work. The licence is Apache-2.0.

When your agent uses it

  • Making product demos
  • Feature showcases
  • UI walkthroughs

Example prompts

  • “/guided-product-demo”

Requirements

  • Node.js
  • A credential in ELEVEN_LABS_API_KEY

Workflow steps

2 steps, taken from the first numbered list in SKILL.md.

  1. "Are we inside your brand's repository, or would you like to provide a URL (e.g. your marketing site) so I can research your brand online?"
  2. "Would you like generated background music? If yes, you'll need an ELEVEN_LABS_API_KEY in your environment. You can get one at…

What it can do on your machine

Read from SKILL.md and the folder at commit 24c0d4b. 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 (its code samples are javascript).

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

  • Network

    Links to these hosts (documentation or services it may open):

    • elevenlabs.io

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • ELEVEN_LABS_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Guided Product Demo loads about 1.8k tokens when it runs. Until then it costs about 79 tokens; SKILL.md has 834 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~79
When it runs · the whole SKILL.md, loaded when a task matches
~1.8k

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: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteMentions a .env fileSKILL.md:24
    Do not attempt to read .env files or verify keys yourself.

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 BintzGavin/helios at commit 24c0d4b, republished under its Apache-2.0 licence (© BintzGavin). 834 words, ~1,833 tokens.

Download SKILL.mdSave it as .claude/skills/guided-product-demo/SKILL.md (or your agent's skills folder).
name
guided-product-demo
description
End-to-end guided workflow for creating a product demo or showcase video. Extracts brand identity from the repo, generates a polished soundtrack, and produces a feature-focused motion.dev composition rendered via Helios CLI. Use when making product demos, feature showcases, or UI walkthroughs.

You may be operating inside the brand's repository, or working from an external context.

Do not guess brand identity. Either analyze the codebase or research the provided URL.


EXECUTION PIPELINE

STEP 1 — Gather Context

⛔ STOP. Ask the user these two questions:

  1. "Are we inside your brand's repository, or would you like to provide a URL (e.g. your marketing site) so I can research your brand online?"

  2. "Would you like generated background music? If yes, you'll need an ELEVEN_LABS_API_KEY in your environment. You can get one at https://elevenlabs.io → Profile → API Keys."

Wait for the user to respond to both questions.

Do not attempt to read .env files or verify keys yourself. Trust the user's responses.

If the user provides a URL, use it for brand research in STEP 3 instead of analyzing the codebase. If the user declines music, skip STEP 4 and STEP 5.


STEP 2 — Ensure Helios Runtime Dependencies

Install required packages:

npm install @helios-project/core @helios-project/renderer @helios-project/cli

You will render using DOM mode.


STEP 3 — Extract Brand Intelligence and Product Features From Repo

If the user provided a URL instead of a repo, fetch that URL and extract the same brand signals from the live site. Skip codebase-specific items (Tailwind config, design tokens, etc.) and focus on visible brand elements.

Analyze:

• Tailwind config or CSS variables • Global stylesheets • Design tokens • Logo assets • Favicon • UI components (buttons, forms, cards, modals) • Page layouts and routing structure • Feature flags or feature directories • API endpoints (reveals product capabilities) • Dashboard or admin interfaces • Settings pages (reveals configurable features) • README feature lists • Marketing copy and hero sections • Screenshots or demo assets

Construct internal brand profile:

• Core value proposition • Target audience • Tone of voice (professional, innovative, approachable) • Visual density • Primary palette • Accent palette • Typography character • Product category (SaaS, dev tool, e-commerce, etc.)

Construct product feature map:

• Top 3-5 signature features • Primary user workflow • Key UI surfaces • Differentiating capabilities

All creative decisions must align with this.


STEP 4 — Generate Original Music (Skip if no music)

Use ElevenLabs with existing ELEVEN_LABS_API_KEY.

Generate instrumental track matching:

• Professional, modern tone • Building energy (matches progressive feature reveals) • Clean and polished feel • Target runtime

Save audio locally.


STEP 5 — Analyze Audio With ffmpeg (Skip if no music)

Extract:

• BPM • Beat timestamps • Downbeats • Energy peaks

Create beat timing map.

Feature reveals must land on downbeats. UI transitions should align to beats.


STEP 6 — Read Motion Design Rules

Before producing the creative specification, read and internalize:

skills/guided/motion-design-rules

Every rule in that skill is mandatory for this composition.


STEP 7 — Produce Creative Specification

You are a senior creative director and product marketing architect designing for Helios using motion.dev.

Input example: make a 45 second product demo

Output:

• One structured creative specification • Wrapped in a single code block • No explanation outside it

The specification must include:

• Duration • Aspect ratio (16:9) • Brand summary • Product feature map • Motion language (precise, deliberate, polished) • Beat synchronized scene breakdown • Exact timestamps per feature • Voiceover script (benefit-driven, concise) • On screen text (feature names, benefit callouts, labels) • Visual composition (mockup frames, UI highlights, zoom regions) • Explicit motion.dev animation behavior • Transition logic (zoom-ins for detail, pan-outs for context, smooth crossfades) • Layering order (background → UI mockup → highlight overlay → text → cursor/pointer) • Audio direction • Asset requirements • Cursor or pointer choreography: every click with its time, keyed to a beat or a sound

Show full SKILL.md (287 more words)Show less

Use motion.dev compatible terminology only.

Demo structure requirements:

• Opening brand moment (2-3 seconds) • Feature 1: Show + Tell • Feature 2: Show + Tell • Feature 3: Show + Tell • Closing CTA with product name

Each feature segment: • Establish context (wide view) • Zoom to detail (highlight interaction) • Show result (benefit visible)


STEP 8 — Implement DOM Based Helios Composition

Using the creative specification:

Create a composition.html file that:

• Uses HTML + CSS + motion.dev • Implements animations using WAAPI / CSS / motion.dev • Aligns feature reveals to downbeats • Uses UI mockup frames with highlight overlays • Includes cursor/pointer animations for interaction simulation. Script them with the cursor component (helios add cursor): each action's time is the moment it lands (a move's arrival, a click's press), so clicks hit the beat. Reaches follow a human minimum-jerk path with Fitts'-law timing and a small overshoot. • Includes generated audio file • Has exact duration

Expose Helios runtime:

js
import { helios } from "@helios-project/core";

window.helios = helios;

helios.bindToDocumentTimeline({
  autoSyncAnimations: true
});

Requirements:

• window.helios must be defined • helios.bindToDocumentTimeline() must be called • autoSyncAnimations: true must be enabled • All CSS and WAAPI animations must sync correctly • No randomness • Deterministic timing • UI mockups must be pixel-accurate representations • Highlight regions must use subtle glow or border emphasis


STEP 9 — Render Using Official Helios CLI (DOM Mode)

Render with:

npx @helios-project/cli render ./composition.html -o output.mp4

Requirements:

• 16:9 aspect ratio • Correct duration • Audio attached • CSS and WAAPI fully synchronized • High quality MP4 output

Output file must be:

output.mp4


RUNTIME RULES

If duration ≤ 30 seconds Show maximum 2 features. Prioritize the strongest differentiator.

If no duration specified Default to 45 seconds.

Maximum 5 features for any duration. Each feature must have at least 5 seconds of screen time. Never show a feature without explaining the benefit.

Never restate the original prompt. Never explain reasoning. Creative specification must be output inside a single code block only.

© BintzGavin, Apache-2.0. 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/guided/product-demo of BintzGavin/helios.

Open the folder on GitHubat commit 24c0d4b

Compare with similar skills

Guided Product Demo 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.

Guided Product Demo compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Guided Product Demo this skillBintzGavin/helios119—~1.8kAutomated safety check: NotesApache-2.0
Brand and Design Toolkitnextlevelbuilder/ui-ux-pro-max-skill135k1 repos~3.5kAutomated safety check: PassMIT
Brand Identityfatihaydost/brand-identity-skill130—~2kAutomated safety check: PassMIT
Brand Style Guiderampstackco/claude-skills945—~2.1kAutomated safety check: PassMIT
Audio Mixing Masteringcalesthio/generative-media-skills197—~7kAutomated safety check: PassMIT
App Icons And Logosglifxyz/glif-mcp-server213—~1.3kAutomated safety check: PassMIT

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Works with

Questions about Guided Product Demo

What does Guided Product Demo do?

End-to-end guided workflow for creating a product demo or showcase video. Guided Product Demo is an agent skill from BintzGavin/helios. End-to-end guided workflow for creating a product demo or showcase video.

When should I use Guided Product Demo?

Guided Product Demo fits situations like: making product demos; feature showcases; UI walkthroughs.

How do I install Guided Product Demo in Claude Code?

Run `npx skills add BintzGavin/helios --skill guided-product-demo -a claude-code`. Or copy the skill folder (skills/guided/product-demo in BintzGavin/helios) into .claude/skills/guided-product-demo in your project. Claude Code loads it when a task matches its description.

How do I install Guided Product Demo in Codex?

Run `npx skills add BintzGavin/helios --skill guided-product-demo -a codex`. Or copy the skill folder (skills/guided/product-demo in BintzGavin/helios) into .agents/skills/guided-product-demo in your project. Codex loads it when a task matches its description.

Can I use Guided Product Demo 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 BintzGavin/helios --skill guided-product-demo -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/guided-product-demo, .gemini/skills/guided-product-demo, .github/skills/guided-product-demo and .opencode/skills/guided-product-demo in your project.

What does Guided Product Demo need to run?

Going by SKILL.md and its folder, Guided Product Demo needs credentials named ELEVEN_LABS_API_KEY. Our summary lists: Node.js; A credential in ELEVEN_LABS_API_KEY.

Does Guided Product Demo access the network?

SKILL.md names 1 domain. As links in the text: elevenlabs.io. This is read from the text; nothing was executed.

Is Guided Product Demo safe to install?

Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Guided Product Demo use?

Guided Product Demo is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Guided Product Demo use?

About 1.8k tokens (SKILL.md is roughly 7.3k 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 Guided Product Demo?

Skills that share tags, products or a category with Guided Product Demo: Brand and Design Toolkit (nextlevelbuilder/ui-ux-pro-max-skill, 135k stars), Brand Identity (fatihaydost/brand-identity-skill, 130 stars), Brand Style Guide (rampstackco/claude-skills, 945 stars) and Audio Mixing Mastering (calesthio/generative-media-skills, 197 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Guided Product Demo?

BintzGavin (a GitHub user) maintains it in BintzGavin/helios, which has 119 GitHub stars. The repository holds 16 skills in this directory. The repository was last updated on October 9, 2026.

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