size
(enum, optional): Size of the generated image (e.g., 1024x1024, 1792x1024). Defaults to 1024x1024. Check OpenAI documentation for model-specific size support.
How to use it
size is exposed by the Imagegen MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the size tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install Imagegen MCP
npx imagegen-mcp [options]Other tools in Imagegen MCP (14)
(enum, optional): Background (transparent, opaque, auto). Defaults to auto. transparent requires outputformat to be png or webp.
An array containing:
Edits an existing image based on a text prompt and optional mask.
(string, required): An array of file paths to local images.
(string, optional): A file path of mask image (PNG). Transparent areas indicate where the image should be edited.
(enum, optional): The model to use (e.g., gpt-image-1, dall-e-2, dall-e-3). Defaults to the first allowed model.
(enum, optional): Moderation level (low, auto). Defaults to low.
(number, optional): Compression level (0-100). Defaults to 100.
(enum, optional): Format (png, jpeg, webp). Defaults to png.
(string, required): A text description of the desired edits.
(enum, optional): Quality (standard, hd, auto, ...). Defaults to auto. hd only applicable to dall-e-3.
(enum, optional): Style of the image (vivid or natural). Only applicable to dall-e-3. Defaults to vivid.
(string, required): The prompt to generate an image from.
Generates an image based on a text prompt.