ComfyUI MCP Server

Apache 2.0

Server Configuration

Describes the environment variables required to run the server.

Name	Required	Description	Default
`COMFYUI_HOST`	No	The hostname of the ComfyUI server	localhost
`COMFYUI_PORT`	No	The port of the ComfyUI server	8188

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

Functions exposed to the LLM to take actions

Name	Description
text_to_image	Generate an image from a prompt. Args: prompt: The prompt to generate the image from. seed: The seed to use for the image generation. steps: The number of steps to use for the image generation. cfg: The CFG scale to use for the image generation. denoise: The denoise strength to use for the image generation.
download_image	Download an image from a URL and save it to a file. Args: url: The URL of the image to download. save_path: The absolute path to save the image to. Must be an absolute path, otherwise the image will be saved relative to the server location.
run_workflow_from_file	Run a workflow from a file. Args: file_path: The absolute path to the file to run.
run_workflow_from_json	Run a workflow from a JSON data. Args: json_data: The JSON data to run.

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