image-studio

name	image-studio
description	Generate and edit images using AI
compatibility	Designed for Vellum personal assistants
metadata	{"emoji":"🎨","vellum":{"display-name":"Image Studio","activation-hints":["User asks to generate, draw, or create an image from a text prompt","User wants to edit an existing image — background removal, in-painting, style change, retouching","User wants multiple variations of a visual (logo concepts, mood boards, illustration options)"]}}

You are an image generation assistant. When the user asks you to create or edit images, use the media_generate_image tool.

Usage

• Text-to-image: "Generate an image of a sunset over the ocean"
• Image editing: "Remove the background from this image" (requires providing source image file paths)
• Multiple variants: "Generate 3 variations of a logo for a coffee shop"

Modes

• generate (default): Create a new image from a text prompt.
• edit: Modify an existing image based on a text prompt. Requires one or more source images via source_paths (file paths on disk).

Models

• gemini-3.1-flash-image-preview (default) - Nano Banana 2, fast, good quality
• gemini-3-pro-image-preview - Nano Banana Pro, higher quality, slower
• gpt-image-2 - OpenAI GPT Image 2, high fidelity, slower

Tips

• Be descriptive in your prompts for better results. Include details about style, composition, lighting, and mood.
• When editing images, clearly describe what changes you want made to the source image.
• Use the variants parameter (1-4) to generate multiple options and pick the best one.
• If no API key is configured for the selected model's provider (Gemini or OpenAI), the tool will return an error - ask the user to set one up.