Claude-skill-registry ccg

AI Course Content Generator - Generate complete online courses with Gemini API. Triggers on "create course", "generate lesson", "course content", "ccg", "/ccg".

install

source · Clone the upstream repo

git clone https://github.com/majiayu000/claude-skill-registry

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/majiayu000/claude-skill-registry "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/data/ccg" ~/.claude/skills/majiayu000-claude-skill-registry-ccg && rm -rf "$T"

manifest: skills/data/ccg/SKILL.md

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

# 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

Course Structure Generation - JSON curriculum generation
Lesson Script Generation - Customizable narration scripts
Text-to-Speech - Gemini TTS audio generation
Slide Generation - Graphic recording style
Video Rendering - WebCodecs API MP4 creation
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
```