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Capability Reel
What your AI product can do, one capability per beat, each proved by its real input and real output.
How it works
- 1Copy the install prompt and paste it into your agent.
- 2Your agent runs mo doctor to check Node.js, FFmpeg and Chrome, and tells you how to install anything missing.
- 3Give it your material. It renders an MP4 on your computer, and you ask for changes in plain words.
Paste into Claude Code, Codex, Cursor or any agent that supports skills.
All it takes
No API keyThis is all it needs
- A website or app
Dependencies
Node.js 22+, FFmpeg, Chrome. No API keys.
Before it starts, your agent runs mo doctor to check Node.js, FFmpeg and Chrome and tells you how to install anything missing; if this skill needs more (such as whisper for captions), its instructions say so.
Example prompt
Make a capability reel for our CLI: run five of its commands on our example project and show what each one really outputs, in 16:9 and 9:16.
Style prompt (Claude Motion or Opus 5.5)
Make an 18-second 16:9 capability reel for [who will watch, e.g. people deciding whether to try our AI assistant], playing [where, e.g. X and our homepage]. Use only the real inputs and outputs I give below; don't change a word or number. Show 4 to 6 capabilities, one per beat, each with a big label of 4 words or fewer, its real input, and its real output with the one line that proves it enlarged and highlighted. A counter (1/6, 2/6…) and a swipe join the beats, getting faster. End frame: the product name, its one line and the URL, held 2.5 seconds. Product: [name and what it does] (e.g. Hemlark, an AI assistant for a small shop's inbox) Capabilities: [label → input → output, for each] (e.g. Summarise a thread → a 4-message email thread → the 3-point summary) Line and URL: [e.g. "Your shop's inbox, handled." · hemlark.example]
Nothing to install: paste this into Claude Motion (Team or Enterprise) or give it to Opus 5.5 for a similar look. The result changes from run to run; the skill works from your own material and renders on your computer.