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Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
XAI_API_KEYNoxAI API key for Grok Imagine (required if using that provider)
GOOGLE_API_KEYNoGoogle API key for Gemini and Veo 3 (required if using those providers)
OPENAI_API_KEYNoOpenAI API key for GPT Image 2 (required if using that provider)
DEFAULT_IMAGE_MODELNoDefault image model to use (e.g., gemini-3.1-flash-image, gpt-image-2, grok-imagine)

Capabilities

Features and capabilities supported by this server

CapabilityDetails
tools
{
  "listChanged": true
}

Tools

Functions exposed to the LLM to take actions

NameDescription
list_imagesA

List image and video files in the shared pixel-surgeon directory (/root/Pictures/pixel-surgeon). Use this to find images available for editing.

save_imageA

Copy an image file into the shared pixel-surgeon directory (/root/Pictures/pixel-surgeon) so it can be used with edit_image. Use this when the user wants to edit an image that exists elsewhere on their filesystem.

generate_imagesA

Generate multiple images in parallel. Supports Gemini and OpenAI models — pass the model param to choose. Returns the generated images and any accompanying text. Full-resolution images are viewable in the browser viewer.

generate_imageB

Generate a single image. Supports Gemini and OpenAI models — pass the model param to choose. Full-resolution image is viewable in the browser viewer.

generate_videoA

Generate a video using Google's Veo 3. Returns an MP4 video file. Video generation takes 1-3 minutes — the tool will poll until complete. Veo 3 generates both video and ambient audio. Videos are saved to the shared directory and viewable in the browser viewer.

edit_imageA

Edit an existing image. Supports Gemini and OpenAI models — pass the model param to choose. Provide the filename of an image in /root/Pictures/pixel-surgeon (use list_images to see available files, or save_image to import one first). The MCP reads the file directly — do NOT pass base64 image data.

fix_imageA

Fix an image that has glitched or garbled text by splitting it into tiles, re-rendering each tile, and stitching them back together. This works because smaller sections have less text for the model to handle at once. Use this when a generated image has text artifacts or overloaded text regions.

fix_regionA

Fix a specific region of an image by cropping it out, sending it for repair, and reinserting it. The crop is automatically snapped to the nearest supported aspect ratio. Use this when only part of an image has glitched text or artifacts — more precise than fix_image's grid approach.

interactive_fixA

Opens an image in a browser-based crop tool where the user can draw a rectangle around the region to fix, add notes/instructions, and submit. The tool waits for the user's selection, then sends the cropped region for repair and composites it back into the original image. Best for precise, user-guided fixes.

remove_backgroundA

Remove a background color from an image and make it transparent. Outputs a PNG with alpha channel. The image must already exist in /root/Pictures/pixel-surgeon (use save_image to import first).

trace_to_svgA

Convert a raster image to SVG using potrace vectorization. Best for line art, diagrams, logos, and high-contrast images. The image must already exist in /root/Pictures/pixel-surgeon (use save_image to import first).

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

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