ComfyUI-DrawThings-gRPC is a bridge between ComfyUI and Draw Things via gRPC. It allows ComfyUI to build and send image generation requests to Draw Things giving you more control over inputs amd settings than Draw Things alone offers, amd bringing the Draw Things sampler into your ComfyUI workflows.

Requirements

ComfyUI
Draw Things app (with gRPC server enabled) or gRPCServerCLI
Python 3.10+ (for ComfyUI and this extension)

Setup

1. Install ComfyUI

Follow the official instructions to install ComfyUI.

2. Install This Extension

Via ComfyUI-Manager (Recommended):

Search for ComfyUI-DrawThings-gRPC in the ComfyUI-Manager and install.

Manual Installation:

Clone this repository into your ComfyUI/custom_nodes directory:

git clone https://github.com/yourusername/ComfyUI-DrawThings-gRPC.git ComfyUI/custom_nodes/ComfyUI-DrawThings-gRPC

3. Restart ComfyUI

Configuring Draw Things gRPC Server

If using the Draw Things app:

Ensure the following settings are enabled:

API Server: enabled
Protocol: gRPC
Transport Layer Security: Enabled
Enable Model Browser: Enabled
Response Compression: Disabled

If using gRPCServerCLI:

Start the server with:

gRPCServerCLI-macOS [path to models] --no-response-compression --model-browser

Discussion

Join the conversation and get support on Discord.

Acknowledgements

Note: This project was created with the cookiecutter-comfy-extension template to simplify custom node development for ComfyUI.