ComfyUI-Nexus

A ComfyUI node designed to enable seamless multi-user workflow collaboration.

Features Video: https://www.youtube.com/watch?v=RnYIUG59oTM

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Important Notes

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• Install/Maintain on Server Only: This node should only be installed on the server machine.

• No Installation Needed for Others: Other users don’t need to install this node.

• URL for Connection: Other users only need the URL to connect locally/remotely.

• Security:

  • ComfyUI menu and features are for admins only.
  • ComfyUI shortcuts are for admins only.
  • Prompt Queue shortcut CTRL+Enter is for users with queue permission only.

• Editor Permissions:

  • Editors can only edit the graph (create/update/delete/move).
  • If an editor has queue permission, they can queue prompts in the workflow.

• All Admin Server (not recommended):

  • One can create a server with all admins to resolve permission issues.
  • Refer to the Admin Account Setup section for more details.

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[!WARNING] When opening the ComfyUI workspace for the first time, it will be locked. Login as admin to enable editing.

[!WARNING] Move or disable the ComfyUI-Nexus nodes from the custom nodes folder if you want to return to your normal ComfyUI setup.

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[!CAUTION] Enable the old litegraph(legacy) node search box. (New node search box is under development and has bugs)

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Location of Nexus folder

ComfyUI Folder

• Drive:/ComfyUI_windows_portable/nexus

Stable Matrix

• Full Version: Drive:/StabilityMatrix/Packages/ComfyUI/nexus
• Portable Version: Drive:/StabilityMatrix/Data/Packages/ComfyUI/nexus

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Disabling ComfyUI-Nexus

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• Stop ComfyUI and go to ComfyUI\custom_nodes folder
• Rename ComfyUI-Nexus like this ComfyUI-Nexus.disabled to disable.
• Restart ComfyUI again.

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Key Features

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• Multiuser collaboration: enable multiple users to work on the same workflow simultaneously.
• Local and Remote access: use tools like ngrok or other tunneling software to facilitate remote collaboration. A local IP address on WiFi will also work 😎.
• Enhanced teamwork: streamline your team's workflow management and collaboration process.
• Real-time chat: communicate directly within the platform to ensure smooth and efficient collaboration.
• Spectate mode: allow team members to observe the workflow in real-time without interfering—perfect for training or monitoring progress.
• Admin permissions: admins can control who can edit the workflow and who can queue prompts, ensuring the right level of access for each team member.
• Workflow backup: in case of any mishap, you can reload an old backup. The node saves 5 workflows, each 60 seconds apart.

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Key Binds

• Activate chat: press t
• Show/hide users panel: press LAlt + p
• Show/hide backups panel: press LAlt + o (for user with editor permission only)
• Queue promt: press CTRL+Enter (for user with queue permission only)

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Chat Commands

• /nick <name>: changes your nickname
• /login account password: this command is used to become admin.
• /logout: logout the admin.

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Node Installation

• Installing Using comfy-cli

  • comfy node registry-install ComfyUI-Nexus
  • https://registry.comfy.org/publishers/daxcay/nodes/comfyui-nexus

• Manual Method

  • Go to your ComfyUI\custom_nodes and Run CMD.
  • Copy and paste this command: git clone https://github.com/daxcay/ComfyUI-Nexus.git

• Automatic Method with Comfy Manager

  • Inside ComfyUI > Click the Manager Button on the side.
  • Click Custom Nodes Manager and search for ComfyUI-Nexus, then install this node.

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[!IMPORTANT]

Restart ComfyUI before proceeding to next step

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Server Setup

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Knowing ComfyUI Port

• Open Comfyui in your browser:

  

• In your url tab, digits after colon (:) is your port.

  Example:

  

  The port for the above URL will be 8188

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Admin Account Setup

• Open the file ComfyUI\nexus\admins.json in notepad.

  

• "epic" is the account name and "comfynexus" is password

• Replace account and password with your own liking, but make sure not to use spaces.

More than 1 Admin Account Setup

• Open the file ComfyUI\nexus\admins.json in notepad. add another account(s) and password(s) like this.

  

• Make sure every password is different, and make sure not to use spaces.

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Setting run_nvidia_gpu.bat (Local setup if not using Tunneling Software)

• Open run_nvidia_gpu.bat and write the following and save it:

  .\python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build --disable-auto-launch --enable-cors-header "*"

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• For a host machine in another IP Address write and save it:

  .\python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build --disable-auto-launch --enable-cors-header "*" --listen 0.0.0.0

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[!IMPORTANT] Don't leave the password as "comfynexus" as anyone can login.

[!NOTE] DO NOT SHARE ACCOUNT AND PASSWORD IN PUBLIC

[!IMPORTANT]

Save file and Restart ComfyUI before proceeding to next step

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Hosting Setup

• One can use Ngrok or any other tunneling software supporting http/https to host a comfyui server remotely.
• Also you can host locally over WiFi/Lan.

Using Ngrok:

• Go to this https://dashboard.ngrok.com/signup?ref=home-hero to sign up.
• After signing up and logging in, go to this https://dashboard.ngrok.com/get-started/setup/windows to set up ngrok.
• After installing and setting up ngrok,
• Run CMD and enter this command: ngrok http <port>

• Forwarding is the Remote URL, Share this URL with your peers.

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Using Local IP

• Open a cmd and write ipconfig.

• Now copy IPv4 address ad add comfy port to it. For example, if it's http://192.168.1.45:<comfy_port>, the final URL will be: http://192.168.1.45:5000
• Share this URL with your peers.

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[!NOTE] Ngrok and WiFi address might change if you restart the machine. Follow above steps again to get the new URL.

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Permissions in ComfyUI-Nexus

• viewer: default permission given to a person joining the server.
• editor: person having editor permission cad edit the workflow.
• queue prompt: person having queue permission can queue the workflow. <br>

[!NOTE] Admin has all permissions by default.

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Real-Time Chat Window

When you join ComfyUI for the first time, you will see this chat window in the top left corner:

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To chat, press t, then write the message and press 'Enter'.

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Chat Commands

• /nick <name>: changes your nickname
• /login <account> <password>: this command is used to become admin. ( account name and password saved in admins.json above )
• /logout: logout the admin.

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User Panel

To show/hide the user panel, press LShift+ LAlt + p.

For users, the user panel will look like this:

Users can perform the following actions on a joined user:

• mouse: show/hide the mouse of other players.
• spectate: enable/disable spectate mode. Main use case: when you want to see or learn something from another user.

For admins, the user panel will look like this:

Admins can perform the following actions on a joined user:

• spectate: enable/disable spectate mode. Main use case: when you want to see or learn something from another user.
• editor: give/revoke editor permission to/from that user. Anyone with this permission can edit the workflow.
• queue: give/revoke queue permission to/from that user. Anyone with this permission can queue the workflow.
• mouse: show/hide the mouse of other players.

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Backup Panel (For Admins and Editors Only)

To show/hide the backup panel, press LShift + LAlt + o.

The backup panel looks like this:

OLD

NEW

• load: load the backup on ComfyUI. If the admin presses it, it will load for all users.

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Backups are now divided into 'Short Term' and 'Long Term'

Short Term: These are only 5 backups and are saved 60 seconds apart.

Long Term: These backups are created every reload and they are never overwritten.

Backups are saved 60 seconds apart. To load a workflow dragged by an admin, the admin will have to wait 60 seconds to let the server make a backup, then load it for all users.

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Inspiration

• Greatly Inspired by https://multitheftauto.com/ a GTA:SA multiplayer mod I spent years playing ❤️.

Future Updates

• Based on feedback, I will add/update features.
• Multi-room collaboration.
• Users can set their own color for names and mouse cursors.

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Daxton Caylor - ComfyUI Node Developer

• Contact

  • Email - daxtoncaylor+Github@gmail.com
  • Discord Server: https://discord.gg/UyGkJycvyW

• Support

  • Patreon: https://patreon.com/daxtoncaylor
  • Buy me a coffee: https://buymeacoffee.com/daxtoncaylor