# Generate Image > AI image generation via Gemini. Use when the user wants to generate, create, or make an image, or when you need to create visual assets like logos, diagrams, or illustrations. Requires GEMINI_API_KEY or GOOGLE_API_KEY. Use when this capability is needed. - Skill: `tomevault-io/generate-image-3` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/generate-image-3` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/generate-image-3/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/generate-image-3 --- # generate-image - AI Image Generation Uses Google Gemini to generate images from text prompts. ## Synopsis ``` codev generate-image "" [options] ``` Note: this is a `codev` subcommand, not standalone. ## All flags ``` -o, --output Output file path (default: output.png) -r, --resolution Resolution: 1K, 2K, 4K (default: 1K) -a, --aspect Aspect ratio (default: 1:1) --ref Reference image (repeatable, max 14) ``` ## Aspect ratios `1:1` | `16:9` | `9:16` | `3:4` | `4:3` | `3:2` | `2:3` ## Examples ```bash codev generate-image "A sunset over mountains" codev generate-image "A futuristic city" -r 4K -a 16:9 -o city.png codev generate-image "Same style but with cats" --ref style.png --ref layout.png codev generate-image prompt.txt -o result.png # Prompt from .txt file ``` ## Notes - Prompt must be quoted if it contains spaces - Prompt can be a `.txt` file path (auto-detected by extension) - Reference images must exist on disk - Requires `GEMINI_API_KEY` or `GOOGLE_API_KEY` environment variable --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/cluesmith) — claim your Tome and manage your conversions.