multi
ccg
AI Course Content Generator - Generate complete online courses with Gemini API. Triggers on "create course", "generate lesson", "course content", "ccg", "/ccg".
20 stars
Installation
Claude Code / Cursor / Codex
$curl -o ~/.claude/skills/ccg/SKILL.md --create-dirs "https://raw.githubusercontent.com/ShunsukeHayashi/Miyabi/main/.claude/skills/ccg/SKILL.md"
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/ccg/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How ccg Compares
| Feature / Agent | ccg | Standard Approach |
|---|---|---|
| Platform Support | multi | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
AI Course Content Generator - Generate complete online courses with Gemini API. Triggers on "create course", "generate lesson", "course content", "ccg", "/ccg".
Which AI agents support this skill?
This skill is compatible with multi.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
# AI Course Content Generator (CCG)
**Version**: 1.0.0
**Location**: `/Users/shunsukehayashi/dev/ai-course-content-generator-v2`
---
## Triggers
| Trigger | Examples |
|---------|----------|
| Course creation | "create course", "generate course", "/ccg" |
| Development | "ccg dev", "start course generator" |
| Build | "ccg build", "build course app" |
---
## Quick Commands
```bash
# Development
cd /Users/shunsukehayashi/dev/ai-course-content-generator-v2 && npm run dev
# Production build
cd /Users/shunsukehayashi/dev/ai-course-content-generator-v2 && npm run build
# Electron dev
cd /Users/shunsukehayashi/dev/ai-course-content-generator-v2 && npm run electron:dev
# Electron build
cd /Users/shunsukehayashi/dev/ai-course-content-generator-v2 && npm run electron:build
```
---
## Key Capabilities
1. **Course Structure Generation** - JSON curriculum generation
2. **Lesson Script Generation** - Customizable narration scripts
3. **Text-to-Speech** - Gemini TTS audio generation
4. **Slide Generation** - Graphic recording style
5. **Video Rendering** - WebCodecs API MP4 creation
6. **Bulk Export** - ZIP download of all assets
---
## Architecture
```
Vision Panel → Structure → Content Pipeline → Export
↓ ↓ ↓ ↓
Image/PDF/URL JSON Structure Slides/Audio MP3/MP4/ZIP
```
---
## Key Files
| File | Purpose |
|------|---------|
| `services/geminiService.ts` | Gemini API calls + retry logic |
| `templates/prompts.ts` | Zod schemas + prompt builders |
| `utils/audioUtils.ts` | PCM→MP3 encoding (lamejs) |
| `utils/videoUtils.ts` | MP4 muxing (WebCodecs) |
| `types.ts` | Course structure interfaces |
| `constants.ts` | Defaults + TTS voice options |
---
## Gemini Models
- **Primary**: `gemini-3-flash-preview` (with thinking)
- **Backup**: `gemini-2.5-flash` (quota fallback)
- **TTS**: `gemini-2.5-flash-preview-tts`
- **Image**: `gemini-3-pro-image-preview`
---
## Environment
- `GEMINI_API_KEY` required in `.env`