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Build Your Own AI Video Editor in Claude Code (Folder + Every Prompt) · TECH4SSD

text

AI-Video-Editor/
├── CLAUDE.md        ← the rules Claude reads first
├── README.md        ← what goes where
├── brand/           ← BRAND.md (your brand sheet), fonts, logos
├── 1-raw-footage/   ← recordings, screen-recordings, AI clips
├── 2-references/    ← videos you love + their transcripts
├── 3-exports/       ← finished, ready-to-post videos
├── sound-pack/      ← whoosh, pop, click, swipe…
├── music-pack/      ← songs you are allowed to use
├── projects/        ← one working folder per video
└── tools/           ← scripts Claude writes for you

Step 03 / 08

Install FFmpeg, Whisper and yt-dlp

These three free tools do the heavy lifting: FFmpeg cuts, joins and exports video, Whisper turns speech into word-by-word captions, and yt-dlp downloads reference videos so Claude can study them. Paste the prompt and let Claude install and test them. The commands below are what it runs on a Mac with Homebrew.

Check before continuing

ffmpeg prints a version
yt-dlp prints a version
faster-whisper imports without errors

Exact prompt

Install FFmpeg, Whisper (use faster-whisper) and yt-dlp on this computer. Then check each one works and show me the installed versions.

bash

brew install ffmpeg yt-dlp
python3 -m pip install faster-whisper

ffmpeg -version | head -1
yt-dlp --version
python3 -c "import faster_whisper; print(faster_whisper.__version__)"

Step 04 / 08

Lock your style: let Claude write your brand sheet

Give Claude 3 to 5 videos whose style you love. It downloads them into 2-references, transcribes them, pulls frames, studies the pacing, captions, colours, fonts, transitions and sound, and writes one brand sheet. From then on, every edit follows it, so your videos stop looking random. Use the template below as the shape of the sheet. Keep it short: one page that Claude actually re-reads beats a long document it skims.

Exact prompt

Here are videos whose style I love:
<link 1>
<link 2>
<link 3>

For each one: download it with yt-dlp into 2-references/<short-name>, transcribe it with Whisper (word timings), and save one frame per second as a contact sheet.

Then study them together and write brand/BRAND.md in this shape: who I am and who I talk to, colours (hex), fonts, captions (size, position, how words appear, which words get highlighted), motion and transitions, sound (music level, which effects on which animations), how hooks open in the first 2 seconds, how videos end, and a short Never list.

These videos are for studying only. Don't copy their words or footage into my videos.

markdown

# BRAND.md

## Who I am
One line: what I make and who it is for.

## Colours
| Token | Hex | Use |
| accent | #C8FF4D | highlights, active caption word, arrows |
| ink | #101114 | text on light, dark chips |
| paper | #FFFFFF | light backgrounds |

## Fonts
Headlines: … · Body/captions: … · Emphasis: … (italic)

## Captions
1–3 lines, placed in each scene's empty space, words appear as they are spoken, key word highlighted.

## Motion
Every step flows out of the one before (zoom into it, or the same window changes content). No plain fades.

## Sound
Music under the voice (ducked), one sound effect per animation.

## Hooks
Result first, inside 2 seconds.

## Endings
The last frame rebuilds the first frame so the video loops.

## Never
…

Step 07 / 08

Let it check its own work before you post

Claude can check the export with FFmpeg the same way a human editor would scrub through it, only faster. Paste this before you post anything. If a check fails, it fixes the edit and checks again.

Check before continuing

No black frames
No frozen stretches
Around -14 LUFS
Contact sheet looks right scene by scene

Exact prompt

Check the export in 3-exports before I post it:
- format: 1080x1920, 30 fps, and the frame count matches the duration
- black frames longer than 0.1 s (none allowed)
- frozen or stuck frames longer than 1.2 s
- loudness: about -14 LUFS integrated, true peak below -1 dB
- the audio is as long as the video and the voice never clips
Make a contact sheet of the whole video so I can see every scene, fix anything that fails, check again, then tell me it is ready to post.

bash

ffmpeg -i video.mp4 -vf blackdetect=d=0.1:pix_th=0.10 -an -f null -
ffmpeg -i video.mp4 -vf freezedetect=n=0.003:d=1.2 -an -f null -
ffmpeg -i video.mp4 -af loudnorm=print_format=summary -f null -

My AI Video Editor in Claude Code: The Folder, Every Prompt and My Brand Sheet

Before you begin

The walkthrough

Use the Claude desktop app, not the browser

Make one folder for everything

Related Breakdowns

Cinematic Product Ads From One Photo: My Exact Claude + Creatify Prompt

Install FFmpeg, Whisper and yt-dlp

Lock your style: let Claude write your brand sheet

Drop in your footage and describe the edit

Review it on your phone with a storyboard

Let it check its own work before you post

Bonus: make it loop so people watch it twice

Before you begin

The walkthrough

Use the Claude desktop app, not the browser

Make one folder for everything

Explore this topic in depth

Related Breakdowns

Cinematic Product Ads From One Photo: My Exact Claude + Creatify Prompt

Install FFmpeg, Whisper and yt-dlp

Lock your style: let Claude write your brand sheet

Drop in your footage and describe the edit

Review it on your phone with a storyboard

Let it check its own work before you post

Bonus: make it loop so people watch it twice

Explore this topic in depth