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https://github.com/daxcay/ComfyUI-Nexus

Node to enable seamless multiuser workflow collaboration
https://github.com/daxcay/ComfyUI-Nexus

collaboration comfyui comfyui-nodes comfyui-workflow multiplayer

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Node to enable seamless multiuser workflow collaboration

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README

          

![COMFYUI-NEXUS](https://github.com/user-attachments/assets/6548c010-649b-4e6c-8ae1-f05e3f523f31)

# ComfyUI-Nexus

![Version](https://img.shields.io/badge/version-1.0.2-green) ![Last Update](https://img.shields.io/badge/last_update-Sept_2024-green)

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

![Untitled design (2)](https://github.com/user-attachments/assets/1d1f4b2b-0999-461e-b43c-719d107c54df)

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


# Important Notes


- **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.


> [!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.


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

![Untitled design (4)](https://github.com/user-attachments/assets/336a29e8-f6fb-4730-bd6d-f6b94947941b)


### 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`


## Disabling ComfyUI-Nexus


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


## Key Features


- **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.


## 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)


## Chat Commands

- `/nick `: changes your nickname
- `/login account password`: this command is used to become admin.
- `/logout`: logout the admin.


# 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](https://github.com/ltdrdata/ComfyUI-Manager)
- Inside ComfyUI > Click the Manager Button on the side.
- Click `Custom Nodes Manager` and search for `ComfyUI-Nexus`, then install this node.




>[!IMPORTANT]
> #### **Restart ComfyUI before proceeding to next step**


# Server Setup




### Knowing ComfyUI Port

- Open Comfyui in your browser:

![image](https://github.com/user-attachments/assets/b430d5b7-dcb9-4a7f-948f-d257147b597a)

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

**Example:**

![image](https://github.com/user-attachments/assets/82ff2d9e-9eb6-4846-97c6-e3e321101fef)

The port for the above URL will be **8188**


### Admin Account Setup

- Open the file `ComfyUI\nexus\admins.json` in notepad.

![image](https://github.com/user-attachments/assets/2c0f3e6b-8bea-4378-8390-1bb377514e0c)

- **"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.

![image](https://github.com/user-attachments/assets/35461ce1-b1a6-4ddb-8333-5dcf7d6acf55)

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


### 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 "*"```


- 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```




>[!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**


# 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 `

![Ngrok Output Example](https://github.com/user-attachments/assets/66f9b4a4-1d63-4756-8d57-64420fdc151a)
![image](https://github.com/user-attachments/assets/e3ca3d23-a388-4879-8b45-23591a05833c)

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




### Using Local IP

- Open a cmd and write `ipconfig`.

![image](https://github.com/user-attachments/assets/56c4c17d-b1dc-40e1-acbc-1e62e8e15b70)

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




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


## 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.

>[!NOTE]
> Admin has all permissions by default.


## Real-Time Chat Window

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

![Chat Message Example](https://github.com/user-attachments/assets/6b908ade-cd01-43d4-831c-6af2c6c461cf)


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


### Chat Commands

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


## User Panel

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

**For users, the user panel will look like this:**

![User Panel Example](https://github.com/user-attachments/assets/eae8791c-40a8-48d6-b72d-f4f7875d1653)

Users can perform the following actions on a joined user:

![image](https://github.com/user-attachments/assets/94ae776c-b96e-4d3e-8cc3-f01ec9cb4ee2)

- **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:**

![Admin Panel Example](https://github.com/user-attachments/assets/0ce11918-4890-4202-a2d0-2df6f3a1fae0)

Admins can perform the following actions on a joined user:

![Admin Panel Actions Example](https://github.com/user-attachments/assets/ff147ca6-a51c-4eea-9e87-6c8db6322311)

- **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.


## Backup Panel (For Admins and Editors Only)

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

**The backup panel looks like this:**

## OLD
![Backup Panel Example](https://github.com/user-attachments/assets/27af5386-b848-4081-a88d-e8d4967a72f0)

## NEW
![image](https://github.com/user-attachments/assets/423c9e23-b13a-4b50-998c-712ec7f08f51)

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


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.


## 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.


### 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