Comfy MCP Pipeline

This is a pipeline wrapper for comfy-mcp-server for Open WebUI.

Prerequisites

• Open WebUI
• Open WebUI Pipelines
• ComfyUI
• Updated requirements.txt for pipelines server
• JSON Export of a ComfyUI Workflow API - see sample for reference workflow.json
  • From Comfy UI, select a workflow to export
  • From the top menu, Workflow -> Export (API) -> provide a filename -> Confirm
  • This file will need to be uploaded to the pipeline server

Pipeline Installation and Setup

• Follow Open WebUI Pipelines documentation to upload the comfy-mcp-pipeline.py to Pipeline server
• Choose comfy-mcp-pipeline (pipe) from Pipeline Valves
• Set configuration for the following valves:
  • Comfy Url: Url for your Comfy UI server.
  • Comfy Url External: External Url for your Comfy UI server. Use Comfy Url value if same.
  • Comfy Workflow Json File: path of the workflow JSON file.
  • Prompt Node Id: Id of the text prompt node from workflow JSON file.
  • Output Node Id: Id of the generated image node from the workflow JSON file.
• If all steps are successfull, you will see Comfy MCP Pipeline in the list of models

Usage

• Select New Chat and select Comfy MCP Pipeline
• Enter an image generation prompt and hit send
• If the setup was successful you should see the generated image