#63 · Primary category: Image Generation

comfyui-tooling-nodes

comfyui stable-diffusion

Nodes for using ComfyUI as a backend for external tools. Send and receive images directly without filesystem upload/download.

Project last updated:08/19/26

GitHub Stars

671

Forks

87

Contributors

11

License

GPL-3.0

Why we included this project

ComfyUI normally exchanges images through the filesystem, which means any external tool has to upload files, run a prompt, and download results, with all the cleanup and timing issues that come with it. This extension replaces that round-trip: you can embed a PNG as base64 right in the prompt, push image bytes to an in-memory cache, or get outputs back over the client WebSocket as binary messages. That makes ComfyUI practical to run as a backend service instead of a GUI you operate by hand. It also adds tiled image processing, region-based attention masking, and HTTP API extensions for inspecting loaded models, which matter when you want fine-grained control from an external tool. If you are wiring ComfyUI into your own pipeline or editor, these nodes are a clean way to move images in and out without touching disk.

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