CLI Demo Generator
Turns shell commands into polished animated terminal GIFs using VHS tape recordings.
Image & VideoIntermediate★ 1,419⑂ 219AI score 9/10Last updated: Sep 22, 2026
What it does
- Takes a list of commands and generates a VHS
.tapefile, then renders it into an animated GIF. - Builds self-bootstrapping demos where cleanup/setup commands run hidden via the
Hide→clear→Showpattern. - Handles real-world pain points: filtering noisy output, base64-encoding commands that VHS's parser rejects (
$, backticks), speeding up GIFs with gifsicle, and verifying frames with ffmpeg. - Supports batch generation from a YAML config and live interactive recording via asciinema.
Who it's for
- Open-source maintainers who need demo GIFs in their README.
- Developers and DevRel folks documenting install/build/deploy flows visually.
- Teams that want a reproducible demo pipeline instead of hand-recording every time.
Examples
- "Make a 1400x600 README GIF of
npm install my-packagethennpm run build, sped up 2x." - "Reset the previous install state before recording, but keep it out of the GIF" → uses
--bootstrap. - "Check frame 100 of the generated GIF to confirm the output rendered correctly" → ffmpeg frame extraction plus image review.
· · · Install guide · · ·
Try it now, no install
Paste this into Claude to use the skill without installing anything.
Read the instructions in this file and follow them to help me: https://raw.githubusercontent.com/daymade/claude-code-skills/HEAD/cli-demo-generator/SKILL.md What I want: (describe your task here)
If Claude can't open the link, open it yourself and paste the contents instead.
↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.
Install in the Claude app (no terminal)
- Download the ZIP with the button below.
- In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
- Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
Install in Claude Code
Let Claude do it — paste this into Claude Code
Install the skill I found on Claude Skill Mart. Copy the cli-demo-generator folder from the GitHub repo daymade/claude-code-skills into my ~/.claude/skills/cli-demo-generator/. When it's done, tell me in one line what this skill can do.
Install with a command instead
git clone https://github.com/daymade/claude-code-skills.git /tmp/ccs && mkdir -p ~/.claude/skills && cp -r /tmp/ccs/cli-demo-generator ~/.claude/skills/⚠ This is a third-party skill. Check the source repository before installing.
- Open a terminal.
- Install VHS:
brew install charmbracelet/tap/vhs(on Linux, grab the binary from GitHub Releases). - Install optional tools:
brew install gifsicle ffmpeg asciinema. - Clone the repo:
git clone https://github.com/daymade/claude-code-skills.git /tmp/ccs - Copy the skill folder:
mkdir -p ~/.claude/skills && cp -r /tmp/ccs/cli-demo-generator ~/.claude/skills/ - Restart Claude Code, then ask something like "record a demo GIF of these commands" to trigger the skill.
View source on GitHub ↗License: MIT