Coffee Bot (Matrix)
This workflow automatically retrieves the list of participants from the Matrix chat platform on a regular basis and randomly divides members into small groups to facilitate virtual coffee chats. It starts every Monday at 10 AM, ensuring that each group has an ideal size of 3 people. The aim is to enhance communication and interaction among remote teams, improve employees' sense of belonging and team cohesion, and prevent member isolation. It is suitable for remote work teams, online communities, and various organizations, helping to efficiently arrange social activities.

Workflow Name
Coffee Bot (Matrix)
Key Features and Highlights
This workflow automatically retrieves the participant list from a specified room on the Matrix chat platform every Monday at 10 AM. It then randomly divides members into several small groups (ideally with 3 members each) and posts the weekly virtual coffee chat group assignments in the chat room. By automating group formation, it fosters communication and interaction among team members, enhancing employee connectivity in remote work environments.
Core Problems Addressed
How to effectively organize regular informal social activities (such as virtual coffee chats) within remote or distributed teams to prevent member isolation, ensure fair and random group assignments, and improve team cohesion and communication frequency.
Use Cases
- Scheduling weekly meetings or informal social activities for remote teams
- Regular group assignments for online communities or interest groups
- Facilitating cross-departmental employee interaction in corporate culture initiatives
- Group collaboration sessions in educational or training programs
Main Workflow Steps
- Scheduled Trigger: Automatically starts every Monday at 10 AM.
- Send Greeting Message: Posts a welcome message for this week’s virtual coffee groups in the designated Matrix chat room.
- Retrieve Member List: Pulls the full list of members from the specified Matrix room.
- Random Grouping: Uses a custom function node implementing the Fisher-Yates shuffle algorithm to randomize member order and divides them into groups of three, avoiding isolated individuals.
- Publish Group Results: Formats and posts the group assignments back to the specified Matrix chat room, notifying all members of their groupings.
Involved Systems or Services
- Matrix: Core communication platform responsible for member data retrieval and message delivery.
- n8n Cron Node: Enables scheduled automatic triggering.
- n8n Function Node: Implements custom grouping logic and randomization algorithm.
Target Users and Value
- Remote team managers or HR personnel who want to automate team social activities and enhance employee belonging.
- Community administrators or interest group organizers seeking regular automated group assignments.
- Any teams or organizations aiming to reduce manual grouping efforts and improve efficiency through automation.
This workflow is simple yet efficient, leveraging the flexibility of the Matrix open communication protocol and the n8n automation platform to help enterprises and organizations build stronger remote social networks.