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ccg

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

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name ccg
description AI Course Content Generator - Generate complete online courses with Gemini API. Triggers on "create course", "generate lesson", "course content", "ccg", "/ccg".
allowed-tools Bash, Read, Write, Edit, Grep, Glob, WebFetch, WebSearch

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

  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