ReddRadar
Agent skill
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 this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/media-gen
SKILL.md
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 or 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.
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