PTENES
TRACK 4

💡 Applications & Prompts

Where and how to use the skill video-explicativo in the real world. YouTube, Shorts, onboarding, lessons, launches — and a library of ready-to-paste prompts to run in Claude Code.

3
Modules
18
Topics
~1.5h
Duration
Practical
Level
Subject any topic explainer video skill · Claude Code ➜ script · voice · composition 📺 YouTube 16:9 explainer video 🎞 Reels / Shorts 9:16 vertical · ~110s 🚀 Onboarding product · 90s 🎓 Micro-lesson teaching · course

One topic, one skill, multiple destinations — the HyperFrames fan-out pattern

Track map

Detailed content

4.1~30 min

📺 YouTube & Shorts

One video, two formats. Learn to get the most out of each recording by producing both a 16:9 explainer video for YouTube and a vertical 9:16 version for Shorts, Reels, and TikTok.

What it is:

The 1920×1080 (16:9) format is the YouTube standard. The skill video-explicativo generates compositions in this aspect ratio with a palette #0D1321, Inter typography and smooth entrance animations, ready for direct upload.

Why learn:

YouTube is the world’s second-largest search engine — well-produced explainer videos generate long-term organic traffic. Mastering the 16:9 format is the foundation for any content strategy.

Key concepts:

1920×1080 resolution, dark palette #0D1321, duration 2-5min, captions always on, CTA in the last third.

What it is:

The 1080×1920 (9:16) format reverses the logic: everything needs to visually “fit” on a vertical smartphone. Larger text, faster cuts, a hook in the first 3 seconds.

Why learn:

Shorts, Reels, and TikTok have much more aggressive organic distribution algorithms than long-form YouTube—the same content, reformatted, can multiply your reach at no extra cost.

Key concepts:

1080×1920 resolution, side safe zones, immediate visual hook, duration ≤60s (or up to 3min on Reels).

What it is:

Retention studies on short-form platforms show a sharp drop starting at 90-120s. The skill uses ~110s as the default target for short videos — enough time to develop a point without losing the viewer.

Why learn:

High retention signals quality to the algorithm and increases organic distribution. Getting the duration right has a bigger impact than production quality.

Key concepts:

Retention rate, watch time, LEAD=0.5 (opening silence), TAIL=0.9 (ending silence), cut pacing.

What it is:

85% of videos in mobile feeds are watched without sound. Captions aren't optional—they're part of the composition. The skill generates the audio with pf_dora --speed 0.98 and the synchronized text appears as an overlay in the scene.

Why learn:

Captions increase retention, improve accessibility, and let the video work in environments without audio (office, public transit).

Key concepts:

Text overlay, Inter font, minimum 4.5:1 contrast, synchronization with narration.

What it is:

The video's last frame contains a call to action: URL, handle, product. The skill reserves the last 8-10 seconds for this "closing slide"—customizable via a variable in the prompt.

Why learn:

A video without a CTA is wasted traffic. Defining the CTA in the prompt avoids manual post-production and ensures visual consistency across the series.

Key concepts:

Closing slide, destination URL, brand consistency, conversion.

What it is:

The same narrated script can generate two distinct composition files: one with a 16:9 viewBox and another with 9:16. The narration is identical; only the scene layout changes. Half the work, twice the presence.

Why learn:

Content production is a bottleneck. Reusing the same script eliminates the need to write it twice and ensures a consistent message across platforms.

Key concepts:

One script, two composition templates, DRY content, audio reuse.

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4.2~30 min

🚀 Onboarding, lessons & launches

Beyond marketing. The skill video-explicativo shines beyond social media: product onboarding, micro-lessons, changelog announcements, living documentation, and technical videos for the team.

What it is:

An onboarding video explains a specific feature in ~90s — problem, solution, visual step-by-step. I replaced text documentation that nobody reads with an animated video users watch right in the product.

Why learn:

Onboarding videos reduce support tickets and increase feature activation. With the skill, you regenerate the video every time the feature changes — no post-production.

Key concepts:

Feature scope, problem → solution, visual step-by-step, automatic regeneration.

What it is:

Each course module can be a separate explainer video: an introduction to the concept, a demonstration, and a summary. The skill keeps the house style consistent across all episodes.

Why learn:

2–4 min micro-lessons have much higher completion rates than long lessons. Producing them in a series with the skill ensures visual consistency without requiring design work.

Key concepts:

Single learning module, house style, cohesive series, FADE=0.45 in scene transitions.

What it is:

Instead of a changelog markdown file no one reads, you generate a 90-120s video announcing what changed, why it changed, and how to use it. Shareable on Slack, email, and social media.

Why learn:

Video changelogs increase user engagement with new features and humanize product communications.

Key concepts:

Visual release note, context + change + impact, multichannel distribution.

What it is:

Architecture, technical decisions, a new library—any concept that would require a 30-minute meeting can become a 3-minute animated video the team can watch asynchronously.

Why learn:

Technical videos eliminate alignment meetings, remain as a permanent record, and help onboard new members months later.

Key concepts:

Async-first, living documentation, team onboarding, animated diagram.

What it is:

The video is generated from a text script. When the product changes, you edit the text and run the skill again—the video is regenerated from scratch in minutes, with no post-production.

Why learn:

Traditional recorded documentation quickly becomes outdated. The pattern "text as the source of truth + automatic generation" eliminates the maintenance cost.

Key concepts:

Text as the source, automatic regeneration, script versioning, reproducible pipeline.

What it is:

The default house style uses a palette #0D1321 + cyan + amber. But any color can replace them: just redefine the color variables in the prompt and the skill applies them throughout the composition.

Why learn:

Freelancers and agencies can offer customized videos for each client without creating separate pipelines — one skill, multiple brands.

Key concepts:

Color variables, brand guidelines, white-label, custom palette.

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4.3~30 min

🧰 Prompt library

Copy and run. Six ready-to-use prompts to trigger the skill video-explicativo directly in Claude Code — from the base video to fine-tuning a single scene.

What it is:

The simplest prompt possible: topic, duration, and target audience. The skill handles the script, narration, composition, and export.

Why learn:

Understanding the minimum viable prompt lets you iterate quickly and use it as the basis for all subsequent variations.

Key concepts:

Topic, target duration, audience, skill defaults, MP4 output.

PROMPT — paste into Claude Code:

/video-explicativo

Tema: como funciona o DNS
Duração: ~2 min
Público: desenvolvedores iniciantes
Formato: 16:9 (YouTube)
CTA: "Veja mais em INEMA.CLUB"
What it is:

A variation of the base prompt that instructs the skill to use the vertical composition template (1080×1920) with a duration ≤110s, a larger font, and an immediate hook in the first frame.

Why learn:

Specifying the vertical format in the prompt prevents rework—the skill automatically adapts the layout, timing, and pacing of cuts.

Key concepts:

9:16 format, duration ≤110s, hook in the first 3s, text in a ≥48px font.

PROMPT — paste into Claude Code:

/video-explicativo

Tema: o que é o modelo OSI em 7 camadas
Duração: ~110s (Shorts/Reels)
Formato: 9:16 vertical
Hook inicial: "Você já ouviu falar em TCP/IP mas nunca entendeu? Em 110s você vai entender."
CTA: "Segue pra mais vídeos assim"
What it is:

Replace the default house style with a custom palette. Specify the background, accent color, and voice tone — the skill reapplies them throughout the composition.

Why learn:

Ideal for adapting the video to a brand’s identity or creating themed series with different colors for each subject.

Key concepts:

Hex background, accent color, narration tone, brand consistency.

PROMPT — paste into Claude Code:

/video-explicativo

Tema: introdução ao PostgreSQL
Duração: ~3 min
Formato: 16:9
Paleta: fundo #0f172a, destaque #818cf8 (índigo), texto #e2e8f0
Tom da narração: técnico e direto, sem energia excessiva
What it is:

Instructs the skill to display a specific CTA in the final frame — URL, handle, product, promotion. May include a QR code generated via composition or simple text.

Why learn:

Each video serves a different goal: capturing leads, selling a product, or gaining followers. The CTA needs to be intentional and specific.

Key concepts:

End frame, short URL, conversion goal, urgency.

PROMPT — paste into Claude Code:

/video-explicativo

Tema: por que usar TypeScript em 2025
Duração: ~2 min
Formato: 16:9
CTA final: "Baixe o guia gratuito em inema.club/typescript — link na bio"
Duração da CTA: 10s (slide estático no fim)
What it is:

Controls LEAD (silence before narration), TAIL (final silence), and voice speed (--speed). Default values: LEAD=0.5, TAIL=0.9, speed=0.98. Increasing speed shortens it; decreasing it gives more breathing room.

Why learn:

Different platforms call for different pacing: Shorts needs speed, while technical documentation needs pauses to let information sink in. Adjusting these parameters is the difference between a video that engages viewers and one they abandon.

Key concepts:

LEAD=0.5, TAIL=0.9, FADE=0.45, pf_dora --speed 0.98, cut pacing.

PROMPT — paste into Claude Code:

/video-explicativo

Tema: como configurar o ESLint
Duração: ~4 min (pace mais lento, audiência técnica)
Formato: 16:9
Ritmo: narração pausada (speed=0.93), LEAD=0.8, TAIL=1.2
Objetivo: documentação interna de time
What it is:

When only one scene in the video needs to change (wrong text, wrong color, bad timing), you instruct the skill to regenerate only that composition block — preserving the rest.

Why learn:

Regenerating the entire video to fix 5 seconds is wasteful. The surgical scene pattern saves time and keeps the rest intact.

Key concepts:

Scene index, modular composition, non-destructive editing, selective rerendering.

PROMPT — paste into Claude Code:

/video-explicativo

Ação: regenerar apenas a cena 3 do vídeo existente
Arquivo: composition.mjs (já existe na pasta)
Cena 3 — correção: trocar texto "latência de 20ms" por "latência de 12ms" e atualizar a narração correspondente
Manter: todas as outras cenas intactas, mesma paleta, mesmo timing
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