Earngenix Logo
Skip to main content

Glossary · ComfyUI Basics

What Is ComfyUI Manager?

By Earngenix Team ·

⚡ Quick Answer

ComfyUI Manager is itself a custom node that adds a menu inside ComfyUI for browsing, installing, and updating other custom nodes and missing models. Instead of running git clone and pip install commands in a terminal, you click buttons in the interface.

It's the first thing most people install after setting up ComfyUI, because so many tutorials and downloaded workflows rely on custom nodes that aren't part of the base install.

Where You'll See It

Once installed, a Manager button appears in ComfyUI's top toolbar or side menu. Opening a workflow that needs a node you don't have shows those nodes with a red border on the canvas — Manager's Install Missing Custom Nodes option scans for exactly that and installs everything the workflow needs in one pass.

Quick Example

You download a workflow JSON from a tutorial and drag it into ComfyUI. Several nodes show up red because they don't exist on your install yet. Open Manager, click Install Missing Custom Nodes, restart ComfyUI when it finishes, and the red nodes load normally.

Manager also has an "Update All" button that updates every installed custom node pack at once — useful after a new ComfyUI version breaks compatibility with older node code.

Frequently Asked Questions

It’s the most widely used custom node in the ComfyUI ecosystem and comes from a trusted maintainer, but it installs third-party custom nodes on your behalf. Only install nodes from sources you recognize, since a custom node can run arbitrary Python code.

Both. Manager has a separate option to update ComfyUI’s core, plus a one-click "Update All" for every installed custom node pack.

This usually means the Manager files are out of date relative to your ComfyUI version. Delete the ComfyUI-Manager folder from custom_nodes, re-clone it from its GitHub repo, and restart ComfyUI.

See It In Action

Ready to install it yourself?

Our install guide walks through setup and the missing-node workflow step by step.

Published: 2026-09-17 · Last updated: 2026-09-17

Discussion

Join the discussion

Sign in to leave a comment or reply

💬

No comments yet

Be the first to share your thoughts!