AI Agents

Build an AI Agent Responding to Messages with Memory

7 nodes 346 162 Automatic trigger
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Workflow Description

An automation that creates an intelligent agent receiving messages through a chat interface, maintaining conversation context in memory, and using OpenAI models to respond intelligently with the ability to search and retrieve additional information when needed.

How it works

  1. 1.Receive incoming message from user via chat trigger
  2. 2.Store conversation context and previous messages in a rolling memory buffer
  3. 3.Route request to an AI agent powered by OpenAI language model
  4. 4.Execute search tools when needed to retrieve supplementary information
  5. 5.Send final response to user while preserving conversation context

Use cases

  • Automated customer support that remembers conversation history and delivers personalized solutions
  • Multi-purpose virtual assistant combining AI intelligence with real-time information retrieval
  • Question-answering chatbot that learns from context and continuously improves responses

Requirements

  • Valid OpenAI API key to power GPT language models
  • Enabled chat trigger on target platform (website or application)
  • Configured search tool with external data sources or APIs (optional)
  • Minimum stored messages in memory buffer (3-10 previous messages)

Service Value

Ideal as a smart automation service combining integrations and AI to produce ready-to-use results.

Apps Used

Chat Trigger Memory AI Agent Tool OpenAI

Details

Trigger Automatic trigger
Nodes 7
Apps 5
Views 346
Downloads 162

How to Use

  1. 1.Click "Download Template"
  2. 2.Open your n8n dashboard
  3. 3.Go to Workflows > Import from File
  4. 4.Select downloaded file and configure credentials

Nodes Used (7)

When chat message received

Chat Trigger

#1

Simple Memory

Memory Buffer Window

#2

AI Agent

Agent

#3

Sticky Note

Sticky Note

#4

Sticky Note1

Sticky Note

#5

SearchApi

Search Api Tool

#6

OpenAI Chat Model

OpenAI

#7