Agent skill
generate-image
AI image generation CLI using Gemini. Use when generating images, checking syntax for resolution, aspect ratio, and reference image options.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/generate-image-cluesmith-codev
SKILL.md
generate-image - AI Image Generation
Uses Google Gemini (gemini-3-pro-image-preview) to generate images from text prompts.
Synopsis
codev generate-image "<prompt>" [options]
Options
-o, --output <file> # Output file path (default: output.png)
-r, --resolution <res> # Resolution: 1K, 2K, 4K (default: 1K)
-a, --aspect <ratio> # Aspect ratio (default: 1:1)
--ref <image> # Reference image (repeatable, max 14)
Aspect Ratios
1:1 | 16:9 | 9:16 | 3:4 | 4:3 | 3:2 | 2:3
Examples
# Basic generation
codev generate-image "A sunset over mountains"
# High-res widescreen
codev generate-image "A futuristic city" -r 4K -a 16:9 -o city.png
# With reference images (style transfer)
codev generate-image "Same style but with cats" --ref style.png --ref layout.png
# Prompt from file
codev generate-image prompt.txt -o result.png
Prerequisites
Requires GEMINI_API_KEY or GOOGLE_API_KEY environment variable.
Get a key at https://aistudio.google.com/apikey
Common Mistakes
- Prompt must be quoted if it contains spaces
- Prompt can also be a
.txtfile path (auto-detected by extension) - Reference images must exist on disk — max 14 images
- Output defaults to
output.pngin current directory — use-oto change
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