Schema | Image Gen Pro MCP

Image Gen Pro MCP

Overview Schema Related Servers Score Discussions

Server Configuration

Describes the environment variables required to run the server.

Name	Required	Description	Default
`GEMINI_API_KEY`	No	Your AI Studio key. GOOGLE_API_KEY works too, since Google's own tools read that one
`GOOGLE_API_KEY`	No	Alias for GEMINI_API_KEY; Google's tools read this one too
`OPENAI_API_KEY`	No	Your OpenAI key. Reaches GPT Image 2 directly
`AI_GATEWAY_API_KEY`	No	Vercel AI Gateway. Reaches everything, and is the only route to Recraft, Seedream, Grok Imagine and Arrow
`IMAGE_GEN_OUTPUT_DIR`	No	Where images are written. Point it at your project's image folder and the paths come back ready to use
`IMAGE_GEN_TIMEOUT_MS`	No	How long to wait. Image models are slow; three minutes is not generous	180000
`IMAGE_GEN_MAX_PER_CALL`	No	Ceiling on one request, whatever the assistant asks for	4
`IMAGE_GEN_MAX_PER_HOUR`	No	Images per rolling hour. 0 removes the cap, knowing what that means for your bill	60
`IMAGE_GEN_PREFER_GATEWAY`	No	Route through the gateway even when a direct key exists. Turn on to put all the billing in one place	false
`IMAGE_GEN_DEFAULT_PROVIDER`	No	Which vendor runs when the assistant names none. Set to 'google' if your OpenAI account can't reach GPT Image 2	openai

Capabilities

Features and capabilities supported by this server

Capability	Details
`tools`	{}
`logging`	{}
`completions`	{}

Tools

Functions exposed to the LLM to take actions

Name Description

Name	Description
generate_imageA	Generate one or more images from a description and write them to disk, returning their paths. Optionally takes REFERENCE IMAGES (paths on this machine) and extra text context, both of which steer the result: use them to match an existing style, keep a character or product consistent, or edit an image you already have. Defaults to OpenAI GPT Image 2; pass `style` as gemini/nanobanana, gemini-pro, photoreal (Recraft), seedream, or grok. For a REAL editable SVG set `svg: true`, which routes to Arrow; the raster models can only imitate one. A billed call per image.

generate_imageA

Generate one or more images from a description and write them to disk, returning their paths. Optionally takes REFERENCE IMAGES (paths on this machine) and extra text context, both of which steer the result: use them to match an existing style, keep a character or product consistent, or edit an image you already have. Defaults to OpenAI GPT Image 2; pass style as gemini/nanobanana, gemini-pro, photoreal (Recraft), seedream, or grok. For a REAL editable SVG set svg: true, which routes to Arrow; the raster models can only imitate one. A billed call per image.

Prompts

Interactive templates invoked by user choice

Name	Description
No prompts

Resources

Contextual data attached and managed by the client

Name	Description
No resources

Server Configuration
Capabilities
Tools
Prompts
Resources

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