Explainroo

Community

vincentsch

explainroo

Make an explainer video (MP4) with a voice-over using explainroo. The voice is made on this computer and no API key is needed. Use when the user asks for an explainer, how-to, walkthrough, launch or tutorial video, an animated diagram with a voice-over, or a short for YouTube, Reels or TikTok.

Overview

Publisher	vincentsch
Repository	`explainroo`
Skill name	`explainroo`
Stars	658
Forks	47
Bundled files	Instructions only
License	MIT
Links	Skill source Repository Homepage

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by vincentsch on GitHub. Read the source before you install it.

Installation

Install the Explainroo AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/vincentsch/explainroo/tree/main/skills/explainroo
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/vincentsch/explainroo.git /tmp/explainroo
mkdir -p .claude/skills
cp -r /tmp/explainroo/skills/explainroo .claude/skills/explainroo

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Explainroo in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Explainroo on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Explainroo is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Make an explainer video with explainroo

explainroo makes an MP4 video from two files: a script with the words the voice says, and a small JavaScript file that draws the pictures. A voice model on this computer reads the script. explainroo writes down when each word is spoken, Chrome draws the frames, and explainroo adds music and sound effects.

Find or install explainroo

Try these first:

bash
command -v explainroo
ls "${EXPLAINROO_HOME:-$HOME/.explainroo}/bin/explainroo.js"

If neither exists, install it. It needs Node.js 20.11 or newer, ffmpeg, and Chrome or Chromium.

bash
git clone https://github.com/vincentsch/explainroo.git "$HOME/.explainroo"
cd "$HOME/.explainroo" && npm install
node bin/explainroo.js doctor --fetch

In the rest of this file, explainroo means whichever one you found: the explainroo command, or node "$HOME/.explainroo/bin/explainroo.js".

Read AGENTS.md

AGENTS.md in the explainroo folder has the steps, the writing rules, the settings and the Scene API, which is the list of everything scenes.js can draw. Read it before you start.

Make the video

Create the project where the user wants it, for example ./video:

bash
explainroo init video --theme paper --title "..."

Then follow the steps in AGENTS.md. When the video is done, tell the user where video/out/video.mp4 is, how long it is, and what explainroo verify video said.

Frequently asked questions

What does the Explainroo AI skill do?

Why use Explainroo on TypingMind?

Because you install it once and use it with any model. Explainroo is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Explainroo in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/vincentsch/explainroo/tree/main/skills/explainroo. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Explainroo?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Explainroo?

As many as you like. As long as a model supports skills, you can use Explainroo with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Explainroo AI skill free?

Yes. It is published on GitHub by vincentsch under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Make an explainer video with explainroo

Find or install explainroo

Read AGENTS.md

Make the video

Frequently asked questions

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