Auto-respond to Slack messages with GPT and Pinecone Vector RAG context
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.
What this workflow does
This AI workflow has 7 nodes and runs on Slack events. Along the way it connects Slack, OpenAI Chat Model, Pinecone Vector Store and Embeddings OpenAI.
How it runs
Trigger: On Slack events.
- GPT 5 Slack Agent (AI Agent): runs an AI agent, with model: OpenAI Chat Model; 1 tool (Pinecone Vector Store); memory: Simple Memory
- Send a message (Slack): uses Slack
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
- Still check Slack Trigger requires a signing secret on the Slack API credential (Slack Trigger).
Nodes used (7)
- Slack Trigger
n8n-nodes-base.slackTrigger - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - Slack
n8n-nodes-base.slack - AI Agent
@n8n/n8n-nodes-langchain.agent - Pinecone Vector Store
@n8n/n8n-nodes-langchain.vectorStorePinecone - Embeddings OpenAI
@n8n/n8n-nodes-langchain.embeddingsOpenAi
From the author
🛠 GPT-5 + Pinecone-Powered Slack Auto-Responder — Real-Time, Context-Aware Replies for IT & Engineering Teams Description Cut down on context-switching and keep your Slack threads moving with an AI agent that responds on your behalf, pulling real-time…