Make Khan Academy-style explainer videos for free
- Level Intermediate
- Setup1–3 hrs (estimated)
- Evidence Anecdotal
- CostNot stated in source
- No-codeNo
Claude CodeSource-linked
What they did
A Claude Code skill writes a scene file where each spoken line is paired with drawing, then renders an MP4 of a pen drawing on a blackboard while a voice explains. Runs on a Mac with no API keys.
How it went
Open-source skill with write-up; macOS + Node + ffmpeg; uses built-in say voice
Worth knowing
- Open-source skill with write-up; macOS + Node + ffmpeg; uses built-in say voice.
Prompt
Cleaned version rewritten from the source — not a direct quote.
Make a [90-second] blackboard explainer video about [what is an AI agent]. Write it as beats: one short spoken sentence plus the drawing that happens while it is said. Render it to MP4 and show me the file.
Recommended
Try it in Grok Bot
- Copy the prompt (button below).
- Open Grok Bot chat and paste it. Replace any [bracketed] placeholders.
- Connect the listed tools (as needed) as connectors when Grok Bot asks.
- If the task repeats, ask: "Make this a daily routine."
Alternatives: the same prompt works in Claude Code, Claude, ChatGPT Agent, OpenClaw.
Set it up
Stack: Claude Code
- Read the original source for full context.
- Connect the tools your agent needs.
- Paste the prompt and replace [bracketed] placeholders.
- Run once manually and check the output before scheduling it.
Generic suggested steps, not from the source.
Evidence
Open-source skill with write-up; macOS + Node + ffmpeg; uses built-in say voice
Source: Web · Verified by us: not yet · Report broken or outdated