Claude-skill-registry-data media-gen

Generate images and videos using Google GenAI models. Use when user asks to "generate image with Gemini/Nano Banana", "create video with Veo", "make an image using Imagen", or requests media generation with specific models like gemini-2.5-flash-image, gemini-3.0-pro-image, imagen-3.0, veo-3.1, or veo-3.0.

install

source · Clone the upstream repo

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

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

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

manifest: data/media-gen/SKILL.md

source content

Media Generation

Generate images and videos using Google GenAI SDK (

google-genai

Model Selection

Task	Model	Use Case
Image	`gemini-2.5-flash-image` (Nano Banana)	Fast, cheap ($0.039/img)
Image	`gemini-3.0-pro-image` (Nano Banana Pro)	High quality, 4K
Image	`imagen-3.0-generate-002`	Imagen, negative prompts
Video	`veo-3.1-generate-preview`	Best quality, audio
Video	`veo-3.1-fast-generate-preview`	Faster generation

Auto-selection logic:

Image without special needs →
```
gemini-2.5-flash-image
```
Image needing 4K or high quality →
```
gemini-3.0-pro-image
```
Image with negative prompt →
```
imagen-3.0-generate-002
```
Video →
```
veo-3.1-generate-preview
```

Environment

Requires

GEMINI_API_KEY

GOOGLE_API_KEY

environment variable.

fnox get gemini-api-key  # or set GEMINI_API_KEY

Image Generation

scripts/gen_image.py "A sunset over mountains" output.png
scripts/gen_image.py "A cat portrait" cat.jpg --model gemini-3.0-pro-image --aspect-ratio 9:16
scripts/gen_image.py "Product photo" product.png --model imagen-3.0-generate-002 --negative-prompt "blurry"

Parameters:

```
--model
```
: Model choice (default:
```
gemini-2.5-flash-image
```
)
```
--aspect-ratio
```
: 1:1, 16:9, 9:16, 4:3 (default: 1:1)
```
--negative-prompt
```
: What to avoid (Imagen only)

Video Generation

scripts/gen_video.py "A cat walking through grass" cat.mp4
scripts/gen_video.py "Timelapse of clouds" clouds.mp4 --model veo-3.1-fast-generate-preview
scripts/gen_video.py "Camera panning over city" city.mp4 --image reference.jpg

Parameters:

```
--model
```
: Model choice (default:
```
veo-3.1-generate-preview
```
)
```
--image
```
: Input image for image-to-video
```
--negative-prompt
```
: What to avoid
```
--poll-interval
```
: Seconds between status checks (default: 10)

Video generation is async - script polls until complete.