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Video 1 of 1Portuguese diagram of how an LLM fills its context window
Open video page- Language
- English
- Built with
- Remotion
- Requires
- Bun
- Python 3
- FFmpeg
- Needs
- No API keys
- Runs in
- Claude Code
- Codex
- Output
- 1:1
- MP4
- Works offline
- Yes
- Tested
- Static checks passed · not yet test-rendered
- Generates with
- Your agent's own model
What you get with this skill
- SKILL.md with the full prompt, scripts and asset rules
- One-line install prompt for Claude Code, Codex or Cursor
- ZIP download to keep or share inside your team
- Every future version of this skill
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Choose Your Plan
One balance of credits for AI videos and AI images. Subscribe monthly or yearly, or buy a credit pack once.
2,000 credits
$20one-time
Pay once · no subscription
Videos per pack
30-second product demo13 videos
60-second explainer5 videos
- 2,000 credits, added once
- Up to 86 fast images
- No added Potto watermark
- Shared by video and image tools
5,000 credits
$50one-time
Pay once · no subscription
Videos per pack
30-second product demo33 videos
60-second explainer13 videos
- 5,000 credits, added once
- Up to 217 fast images
- No added Potto watermark
- Shared by video and image tools
15,000 credits
$100one-time
Pay once · no subscription
Videos per pack
30-second product demo100 videos
60-second explainer40 videos
- 15,000 credits, added once
- Up to 652 fast images
- No added Potto watermark
- Shared by video and image tools
Lite
Choose Lite$20/monthBilled monthly
Videos per month
30-second product demo13 videos60-second explainer5 videos- 2,000 credits per month
- Up to 86 fast images
- Standard queue
- No added Potto watermark
- Batch processing with AI tools
- Not listed in public galleries
- All premium skills included
Pro
Choose Pro$50/monthBilled monthly
Videos per month
30-second product demo33 videos60-second explainer13 videos- 5,000 credits per month
- Up to 217 fast images
- Priority queue
- No added Potto watermark
- Batch processing with AI tools
- Not listed in public galleries
- All premium skills included
- Recommended
Max
Choose Max$100/monthBilled monthly
Videos per month
30-second product demo100 videos60-second explainer40 videos- 15,000 credits per month
- Up to 652 fast images
- Highest priority queue
- No added Potto watermark
- Batch processing with AI tools
- Not listed in public galleries
- All premium skills included
Lite
-20%Choose Lite$20$16/monthBilled annually · $240 → $192/year
Videos per month
30-second product demo13 videos60-second explainer5 videos- 2,000 credits per month
- Up to 86 fast images
- Standard queue
- No added Potto watermark
- Batch processing with AI tools
- Not listed in public galleries
- All premium skills included
Pro
-20%Choose Pro$50$40/monthBilled annually · $600 → $480/year
Videos per month
30-second product demo33 videos60-second explainer13 videos- 5,000 credits per month
- Up to 217 fast images
- Priority queue
- No added Potto watermark
- Batch processing with AI tools
- Not listed in public galleries
- All premium skills included
- Recommended
Max
-20%Choose Max$100$80/monthBilled annually · $1,200 → $960/year
Videos per month
30-second product demo100 videos60-second explainer40 videos- 15,000 credits per month
- Up to 652 fast images
- Highest priority queue
- No added Potto watermark
- Batch processing with AI tools
- Not listed in public galleries
- All premium skills included
Videos use credits when you export, and starting one needs a balance that covers its export. Counts assume a 30-second product demo and a 60-second explainer with narration and 3 illustrations.
Window Filling Explainer FAQ
What Window Filling Explainer does, which agents run it, the keys it needs, and how to install it.
What is the Window Filling Explainer skill?
Window Filling Explainer is an agent skill by Potto for making Explainer videos. Build single-screen token explainers with Remotion and React DOM, showing a bounded window filling cell by cell through question, prefill, token generation with candidate…
Is the Window Filling Explainer skill free?
Window Filling Explainer is a premium skill. It comes with any paid Potto plan (Lite, Pro or Max), or you can buy it once for $5 and keep it.
What language is the Window Filling Explainer skill written in?
The Window Filling Explainer skill is written in English. It makes on-screen text in any language you give it.
What do I need installed to run the Window Filling Explainer skill?
Window Filling Explainer builds on Remotion. Install Bun, Python 3, and FFmpeg before you run it.
What does Window Filling Explainer produce?
Window Filling Explainer produces MP4.
Which agents can run Window Filling Explainer?
Window Filling Explainer runs in Claude Code and Codex, or in any other agent that reads SKILL.md.
Does Window Filling Explainer need an API key?
No. Window Filling Explainer works without any extra API key.
How do I install Window Filling Explainer?
Copy the install prompt for Window Filling Explainer from this page and paste it into your agent, or download its ZIP.
Which videos were made with Window Filling Explainer?
Window Filling Explainer was used to make 1 video in the Potto gallery, such as Portuguese diagram of how an LLM fills its context window.
Which version of Window Filling Explainer is on Potto?
Potto has Window Filling Explainer v1.0.0, updated Oct 21, 2026. Copy the install prompt again to get the latest version.