Alien in the Library of Babel
Jack Clark's Opus 5.5 video, with the exact prompt they used. Free to copy.
Alien explores the Library of Babel. @jackclarkSF made this with Claude Opus 5.5 and shared the prompt; it is quoted below word for word. The video runs 1m 00s and had 15.9K views on X. Copy the prompt or download it as a SKILL.md, then swap in your own product, brand or topic.
The prompt
Create a 90s animated video with a synthesized voice of an alien exploring Borges library of babel and attempting to use the library to understand human culture yet dealing with the impossibility inherent to the vast search space of language. The video should have a clinical and spooky vibe that gets at the vastness of the library and also the fundamental challenges in lifeforms understanding one another. As inspiration, also take a look at this old GUI from a film as well as this piranesi etching.
Prompt by Jack Clark (@jackclarkSF), quoted word for word from their reply on X. Model as stated by the creator; your result will differ.
What’s inside
- Copy the prompt below, or download it as a SKILL.md
- Paste it into Claude Opus 5.5, ideally in Claude Code so it can write and render the video
- Swap in your own product, brand or topic where the prompt names theirs
- Let it render, then ask for changes in plain words
What you’ll bring
- Claude Opus 5.5 (Claude Code or another agent that can write and run code)
- Tools the creator mentioned: Cowork
- Your own files: the prompt refers to images, video or audio you supply
What you’ll get
- A video in the same style as the one above, made by Claude
- The code or project files Claude wrote to render it
Perfect for
- Founders making a launch or product video
- Creators who want a proven starting prompt
- Anyone testing what Opus 5.5 can make
Also found as
opus 5.5 prompt · claude video prompt · opus 5.5 video · alien explores the library of babel
Questions
What is Alien in the Library of Babel?
Alien explores the Library of Babel. Jack Clark (@jackclarkSF) made it with Claude Opus 5.5 and shared the prompt, which this page quotes word for word.
Who made it, and where was the prompt shared?
Jack Clark (@jackclarkSF) made it and shared the prompt on X: https://x.com/jackclarkSF/status/2103569330898346383. You can find more from them at https://x.com/jackclarkSF.
How do I use the prompt?
1. Copy the prompt below, or download it as a SKILL.md. 2. Paste it into Claude Opus 5.5, ideally in Claude Code so it can write and render the video. 3. Swap in your own product, brand or topic where the prompt names theirs. 4. Let it render, then ask for changes in plain words.
Is it free?
Yes. Copying the prompt and downloading the SKILL.md costs nothing on Omo. You run it with your own access to Claude Opus 5.5.
The video and the prompt belong to Jack Clark. Omo lists them free, with credit and a link to the original post. Creators can ask us to remove a listing at omo.space/support.