Scalable Multi-Agent Chat Using @mentions

n8n template #3473

Summary

Summary Engage multiple, uniquely configured AI agents (using different models via OpenRouter) in a single conversation. Trigger specific agents with @mentions or let them all respond. Easily scalable by editing simple JSON settings. Overview This workflow is for users who want to experiment with or utilize multiple AI agents with distinct personalities, instructions, and underlying models within a single chat interface, without complex setup. It solves the problem of managing and interacting with diverse AI assistants simultaneously for tasks like brainstorming, comparative analysis, or role-playing scenarios. It enables dynamic conversations with multiple AI assistants simultaneously withi

How to set it up

Open template #3473 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
Create a credential under Credentials → Add credential: OpenRouter Chat Model. Then open each of those nodes and pick the credential.
Check the model in the AI Agent node. The template may point at a model your account can't use; swap it for one you have access to.
Click Execute workflow and step through each node's output to confirm the data looks right.
Toggle the workflow to Active so its trigger runs on its own.

Hand off to your agent

Prompt

Help me set up the n8n workflow "Scalable Multi-Agent Chat Using @mentions" (https://n8n.io/workflows/3473). It uses: Code, AI Agent, Simple Memory, OpenRouter Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

Code AI Agent Simple Memory OpenRouter Chat Model

Questions

Yes. Jon Doran published it free on n8n.io, and it has 13K views. It runs on n8n Cloud or a self-hosted n8n instance.

OpenRouter Chat Model. The other 3 nodes are built into n8n.

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