ComfyUI-Manager
Essential management extension that detects missing red nodes in imported workflows and installs custom node repositories with one click. Package: ltdrdata/ComfyUI-Manager.
Updated Oct 17, 2026 · 1 min read
- Node / Pack
- ComfyUI-Manager
- Category
- custom-pack
- Inputs
- Top menu bar Manager button
- Outputs
- Install Custom Nodes, Install Missing Nodes, Model Manager
- Source Pack
- ltdrdata/ComfyUI-Manager
What ComfyUI-Manager does in a ComfyUI graph
Essential management extension that detects missing red nodes in imported workflows and installs custom node repositories with one click.
On the canvas, this node accepts `Top menu bar Manager button` and emits `Install Custom Nodes, Install Missing Nodes, Model Manager`. Every pin is color-coded by data type so you cannot accidentally wire a pixel `IMAGE` tensor into a `LATENT` pin without an intermediate encode step.
Installation and missing-node recovery on Windows
ComfyUI-Manager is provided by `ltdrdata/ComfyUI-Manager`. Open ComfyUI-Manager, click **Install Custom Nodes** (or **Install Missing Custom Nodes** if you loaded a workflow with red boxes), and restart the server.
Download the full Windows desktop or portable package at /download to get started with a clean Python 3.12 environment.
FAQs
How do I fix "ComfyUI-Manager" showing up as a red box in ComfyUI?
Open ComfyUI-Manager, click **Install Missing Custom Nodes**, install `ltdrdata/ComfyUI-Manager`, and restart ComfyUI.
What are the main inputs and outputs of ComfyUI-Manager?
Inputs: Top menu bar Manager button. Outputs: Install Custom Nodes, Install Missing Nodes, Model Manager.
Run on your hardware. Free forever.
The full ComfyUI engine: open source, fast, extensible, and yours to run however you want. Download the desktop app and open this workflow on your own machine.
