Multi-agent cold email campaign generator with O3 Director & GPT-4.1 specialists
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
Nodes used (5)
- Chat Trigger
@n8n/n8n-nodes-langchain.chatTrigger - AI Agent
@n8n/n8n-nodes-langchain.agent - Think Tool
@n8n/n8n-nodes-langchain.toolThink - AI Agent Tool
@n8n/n8n-nodes-langchain.agentTool - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
What it does
Multi-Agent Cold Email Campaign Generator with O3 Director & GPT-4.1 Specialists π Overview This workflow simulates a virtual sales & marketing team where each AI agent has a role: A Director Agent (O3) who manages strategy. Multiple Specialist Agents (GPT-4.1-mini) for research, writing, personalization, deliverability, sequencing, and analytics. Everything is triggered automatically when a new chat message request comes in. --- π’ Section 1: Entry & Director π Nodes: 1οΈβ£ When chat message received (Trigger) π¬ Starts the workflow when a new request arrives (e.g., βCreate a cold email campaign for SaaS CTOsβ). 2οΈβ£ Outreach Director Agent (O3 model) π― The βmanagerβ agent. Decides what kind of campaign is needed and assigns tasks. 3οΈβ£ Think (Planning Node) π§ Helps the Director structure thoughts before delegating. π‘ Why useful? Director uses O3 (strong reasoning model) only where strategy is needed β reduces cost. Provides a single point of control to coordinate all other agents. --- π΅ Section 2: Specialist Agents Each is powered by GPT-4.1-mini (cheaper + faster). π Prospect Research Specialist β researches target companies, roles, pain points. βοΈ Cold Email Copywriter β drafts subject lines, hooks, and persuasive body copy. π― Personalization Specialist β inserts custom variables for each recipient. π
Email Sequence Strategist β designs follow-ups, timing, nurture flows. π¬ Email Deliverability Expert β ensures emails land in inbox, not spam. π Outreach Analytics Specialist β tracks performance, runs A/B tests, optimizes campaigns. π‘ Why useful? Each agent is a specialist β just like a real marketing team. Parallel execution in n8n means faster results. Modular β you can remove or add more specialists. --- π£ Section 3: Execution Flow 1. Request comes in via chat trigger 2. Director (O3) interprets and delegates β calls specialists as tools 3. Specialists generate their pieces (research β copy β personalization β sequence β deliverability β analytics) 4. Director integrates results into a cohesive cold email campaign --- π‘ Section 4: Documentation & Notes There are two Sticky Notes inside the workflow: Header Note β Support info + tutorials (YouTube & LinkedIn by Yaron Been) Main Note β Full documentation (overview, use cases, cost optimization, tags) --- π Final Overview | Section | What Happens | Why Itβs Useful | | -------------- | ------------------------ | --------------------------- | | π’ Director | Trigger + O3 strategy | Ensures smart coordination | | π΅ Specialists | GPT-4.1-mini agents | Faster, cheaper execution | | π£ Flow | Delegation + Integration | Automated campaign building | | π‘ Docs | Sticky Notes | In-workflow guide for users | --- π Benefits β
AI-powered cold email team without hiring humans β
Cost-optimized (O3 only for strategy, GPT-4.1-mini for tasks β \~90% cheaper) β
End-to-end coverage (research β writing β personalization β sequencing β analytics) β
Scalable: can run multiple campaigns in parallel β
Customizable: swap models, add tools, or expand team ---