MCP ServerSTDIOOfficialv0.10.0

mcp-image MCP Server

AI image generation and editing with prompt optimization and quality presets. Powered by Nano Banana

io.github.shinpr/mcp-image

Hosted URL

https://github.com/shinpr/mcp-image

Transport

STDIO

Auth

1 required env var

Connect to mcp-image

Hosted endpoint — paste into any MCP client.

https://github.com/shinpr/mcp-image

Environment variables

Configuration this server reads at startup.

  • GEMINI_API_KEYRequiredSecret

    Google Gemini API key for image generation (get from https://aistudio.google.com/apikey)

  • IMAGE_OUTPUT_DIR

    Absolute path to directory where generated images will be saved (defaults to ./output)

  • IMAGE_QUALITY

    Default quality preset: 'fast' (Nano Banana 2, default), 'balanced' (Nano Banana 2 + thinking), 'quality' (Nano Banana Pro)

  • SKIP_PROMPT_ENHANCEMENT

    Set to 'true' to disable automatic prompt optimization and use direct prompts

Resources

Where to find authoritative docs and source for mcp-image.

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