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smithery.ai

gemini-image

Generate images using Google Gemini/Imagen API. Use when the user asks to create, generate, or make an image, picture, photo, illustration, artwork, or visual content.

First seen Mar 28, 2026

Installation

$ npx skills add https://smithery.ai
View on skills.sh ↗ Website ↗

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npx skills add https://smithery.ai
smithery-ai-cli 7.8K frontend-design 6.2K skill-creator 2.5K ck:ui-ux-pro-max 1.3K pdf 1.2K xlsx 966 pptx 894 docx 884 webapp-testing 1 web-design-reviewer 657

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Declared
Cline Not declared
OpenCode Not declared

Skill metadata

Parsed from SKILL.md frontmatter.

Allowed toolsBash(python:*), Read, Write
Declared agents claude-code gemini

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 3,391 B
  • docs SUMMARY.md 187 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 4 installs

SKILL.md

Gemini Image Generation

Generate images using Google's Gemini and Imagen models.

Prerequisites

The user must have:

  1. A Google API key with Gemini access set as GEMINIAPIKEY environment variable
  2. Python packages: pip install google-genai pillow

Available Models

Model Best For Notes
gemini-2.5-flash-image Fast, high-volume generation Speed optimized
gemini-3-pro-image-preview Professional assets, complex prompts Best quality, supports 4K
imagen-4.0-generate-001 Standard image generation Good balance
imagen-4.0-fast-generate-001 Quick iterations Fastest
imagen-4.0-ultra-generate-001 Highest quality Supports 2K

Generating Images

Use the script at ~/.claude/skills/gemini-image/scripts/generate.py:

python ~/.claude/skills/gemini-image/scripts/generate.py \
  --prompt "A serene mountain landscape at sunset" \
  --output ~/Pictures/mountain.png \
  --model gemini-2.5-flash-image

Script Arguments

Argument Required Default Description
--prompt Yes - Text description of the image
--output No ./generated_image.png Output file path
--model No gemini-2.5-flash-image Model to use
--aspect-ratio No 1:1 Aspect ratio (e.g., 16:9, 9:16, 4:3)
--size No 1K Image size (1K, 2K, or 4K for pro model)
--count No 1 Number of images (1-4, Imagen models only)

Aspect Ratio Options

  • 1:1 - Square (default)
  • 16:9 - Widescreen landscape
  • 9:16 - Portrait/mobile
  • 4:3 - Standard landscape
  • 3:4 - Standard portrait
  • 3:2, 2:3 - Photo aspect ratios

Usage Workflow

  1. Ask the user what they want to generate
  2. Craft a detailed prompt (more detail = better results)
  3. Choose appropriate model and settings
  4. Run the generation script
  5. Show the user where the image was saved
  6. Offer to regenerate with different settings if needed

Prompt Tips

  • Be specific and descriptive
  • Include style keywords: "photorealistic", "watercolor", "digital art", "3D render"
  • Mention lighting: "golden hour", "studio lighting", "dramatic shadows"
  • Specify perspective: "aerial view", "close-up", "wide angle"
  • Add mood: "serene", "energetic", "mysterious"

Example Prompts

Product shot:

Professional product photography of a sleek smartphone on a marble surface,
soft studio lighting, clean white background, 8K detail

Artwork:

Digital painting of a cyberpunk city at night, neon lights reflecting on
wet streets, flying cars, towering skyscrapers, cinematic composition

Portrait:

Professional headshot of a business executive, neutral background,
soft lighting, confident expression, high resolution

Troubleshooting

  • API key error: Ensure GEMINIAPIKEY is set in your environment
  • Package not found: Run pip install google-genai pillow
  • Rate limit: Wait a few seconds and retry, or use a different model
  • Content blocked: Rephrase the prompt to avoid restricted content