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Scalable Multi-Agent Chat Using @mentions

by Jon Doranadapted from n8n official workflow galleryUpdated Aug 2026
RequiresAAI AgentCCodeOpenRouter Chat ModelOpenRouter Chat ModelSSimple Memory
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ChWhen chat message receivedWhen chat messa…AgAI AgentSILoop Over ItemsCoExtract mentionsMBSimple MemorySeSet last Assistant message as inputSet last Assist…SeSet user message as inputSet user messag…IfFirst loop?SeSet lastAssistantMessageSet lastAssista…CoCombine and format responsesCombine and for…CoDefine Global SettingsDefine Global S…CoDefine Agent SettingsDefine Agent Se…OpenRouter Chat ModelOpenRouter Chat…1234567891011121314
1/5
STEPS · 14
Starts from a chat message

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 within a single chat interface. You can: Define multiple unique AI agents. Configure each agent with its own name, system instructions, and LLM model (via OpenRouter). Interact with specific agents using @AgentName mentions. Have all agents respond (in random order) if no specific agents are mentioned. Maintain conversation history across multiple turns. It's designed for flexibility and scalability, allowing you to easily add or modify agents without complex workflow restructuring.

Tags

n8nreference-onlyagentlm-chat-open-routermemory-buffer-window
Connects
AAI AgentCCodeopenrouterchatmodelOpenRouter Chat ModelSSimple Memory
CategoryAI Automation
Triggermanual
Complexitycomplex
Nodes13
AddedApr 8, 2025

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