Prompt Library

The $200 viral video prompts, free

10 video formats. Each one runs in Claude Code. Tap one, copy, paste.

3D "what if" backyard3D "what if" backyardStickman survival storyStickman survival storyLecture explainer reelLecture explainer reelUI motion reelUI motion reelSpace explainerSpace explainer2D "what if" cartoons2D "what if" cartoonsAnimate skill (Chase AI)Animate skill (Chase AI)66 film styles (lemo-opuscar)66 film styles (lemo-opuscar)120 moving samples (motion-prompt)120 moving samples (motion-prompt)Free b-roll lineFree b-roll line
3D "what if" backyard example frame

3D "what if" backyard

A 60 to 75 second 3D Short: a yard cut open like a cake while a narrator builds something.

Start hereFrom the repo (MIT)
git clone https://github.com/Theoxmotion/whatif-3d-studio
mkdir my-video && cp whatif-3d-studio/whatif_guide.md my-video/CLAUDE.md
cd my-video && claude

Make one video. You pick the topic.
Details

Claude Code writes the script, voices it on your computer, builds the yard in Blender (free) and adds captions. About 2.5 to 3 hours on a gaming PC, mostly unattended.

Credit: Theoxmotion/whatif-3d-studio (MIT license)

Stickman survival story example frame

Stickman survival story

Second-person survival stories in parts, flat stickmen in 3D rooms, ending on a comment vote.

Start hereFrom the repo (MIT)
git clone https://github.com/Theoxmotion/story-video-studio
mkdir my-story && cd my-story && claude

Paste the whole of story_video_prompt.md, then answer "you pick" at each step.
Details

Every frame is code, no AI images or AI video. Claude works alone for 1 to 2 hours. Listen once before you post.

Credit: Theoxmotion/story-video-studio (MIT license)

Lecture explainer reel example frame

Lecture explainer reel

A 45 to 60 second reel: a cartoon teacher talks while titles land on the exact word.

Start hereStarbelo starter
Make a 45 to 60 second vertical lecture reel about [YOUR TOPIC].
A cartoon teacher drawn in code talks in the bottom right corner.
Titles, cards and tick or cross stamps appear on the exact word the narrator says.
Use a free voice that runs on this computer, word-level timing for captions, and render to 1080x1920 MP4.
Show me the script before you animate.
Details

Based on @finnardley's public lecture prompt and Theo's rebuild. This starter is written by Starbelo.

Credit: @theoxmotion

UI motion reel example frame

UI motion reel

One shape morphs through 8 to 12 UI states while a cursor clicks, cut to a 120 BPM track.

Start hereStarbelo starter
Build a vertical motion design video entirely in code (no After Effects).
Ask me for 8 to 12 UI states the shape should become (for example button, loader, player).
One shape morphs from state to state while a cursor clicks each change.
Cut every change to a 120 BPM track I will download free from Mixkit.
Render to MP4.
Details

The full template is free in @twoclipping's Sep 24 post. This short version is in our words.

Credit: @twoclipping

Space explainer example frame

Space explainer

A 30 second Kurzgesagt-style "what if" explainer with a WebGL Earth and narration timed to the word.

Start hereStarbelo starter
Make a 30 second vertical explainer: what if [YOUR WHAT IF]?
Flat, colourful space style with a WebGL Earth and a small astronaut mascot, all drawn in code.
Narration timed to the word. Use my ElevenLabs key if I give one, otherwise a free local voice.
Render to MP4.
Try ElevenLabs
Details

Finn's full prompt is free in his Oct 25 post. This starter is in our words.

Credit: @finnardley

2D "what if" cartoons example frame

2D "what if" cartoons

15 to 25 second dusk-lit stick-figure cartoons where the hero never changes between shots.

Start hereFrom the repo (MIT)
git clone https://github.com/kelano86/what-if-animation ~/.claude/skills/what-if-animation
cp -r ~/.claude/skills/what-if-animation/studio./what-if-studio
cd what-if-studio && npm install

Make a What If episode: what if you could pause everyone but you?
Try ElevenLabs
Details

Needs ElevenLabs for voice and sound (free plan is non-commercial with credit) and Remotion to render.

Credit: kelano86/what-if-animation (MIT license)

Animate skill (Chase AI) example frame

Animate skill (Chase AI)

Short animations on one canvas in 7 styles, from cut paper to pixel art. You approve the storyboard first.

Start hereFrom the repo (MIT)
npm i -g playwright && npx playwright install chromium

/plugin marketplace add cth9191/animate
/plugin install animate@animate
Details

Needs only Claude (voice optional). Free 14 minute tutorial on Chase-H-AI's YouTube.

Credit: cth9191/animate (MIT license)

66 film styles (lemo-opuscar) example frame

66 film styles (lemo-opuscar)

Short films in a library of film styles, with free voice models and free samples for the score.

Start hereFrom the repo (MIT)
claude plugin marketplace add lemomo-ai/lemo-opuscar
claude plugin install lemo-opuscar@lemolab

/lemo-opuscar:lemo-opuscar
Details

A film takes 30 to 60 minutes and a first download over 1 GB.

Credit: lemomo-ai/lemo-opuscar (MIT license)

120 moving samples (motion-prompt) example frame

120 moving samples (motion-prompt)

A clickable library of camera moves, UI pieces and web effects. Tick the ones you like.

Start hereFrom the repo (MIT)
npx skills add showheyohtaki/motion-prompt
Details

Upgrades any format above, since it only changes how things move. Keep the credit line for commercial use.

Credit: showheyohtaki/motion-prompt (MIT license)

Free b-roll line example frame

Free b-roll line

Point Claude at archive.org's free API for public-domain films, records and concerts. No key.

Start hereStarbelo starter
Before the edit step, search the Internet Archive's free API (https://archive.org/developers/, no key needed) for public-domain films and audio that fit this video. Download what fits and list each item's license.
Details

Idea from @ElliotPadfield's Oct 22 post. This line is in our words.

Credit: @ElliotPadfield

Where this comes from

Collected and tested by Theo (@theoxmotion) in his free guide. Each format belongs to its creator. Repo commands are quoted from MIT-licensed READMEs; the other starters are written by Starbelo. All you pay for is a Claude plan. Affiliate disclosure.

All prompts · Claude · ElevenLabs

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