Chat with OpenAI Assistant (by adding a memory)

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

OpenAI Assistant is a powerful tool, but at the time of writing it doesn't automatically remember past messages from a conversation. This workflow demonstrates how to get around this, by managing t...

Best for

Personal Productivity automation workflows
AI Chatbot automation workflows
intermediate n8n builders looking for reusable templates

Tools used

n8n-nodes-base.stickynote, @n8n/n8n-nodes-langchain.memorybufferwindow, @n8n/n8n-nodes-langchain.openai, @n8n/n8n-nodes-langchain.toolcalculator, @n8n/n8n-nodes-langchain.chattrigger

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by David Roberts.

Original n8n.io source

1.1 Workflow description

Title: Chat with OpenAI Assistant (by adding a memory)
Workflow name: Chat with OpenAI Assistant (by adding a memory)

OpenAI Assistant is a powerful tool, but at the time of writing it doesn't automatically remember past messages from a conversation.

This workflow demonstrates how to get around this, by managing the chat history in n8n and passing it to the assistant when required.

This makes it possible to use OpenAI Assistant for chatbot use cases.

Note that to use this template, you need to be on n8n version 1.28.0 or later.

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 2 - Sticky Note4

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 3 - Simple Memory

Type / Role: @n8n/n8n-nodes-langchain.memoryBufferWindow - memoryBufferWindow
Config choices: Version 1.3

Block 4 - OpenAI

Type / Role: @n8n/n8n-nodes-langchain.openAi - openAi
Config choices: Version 1.8

Block 5 - Calculator1

Type / Role: @n8n/n8n-nodes-langchain.toolCalculator - toolCalculator
Config choices: Version 1

Block 6 - When chat message received

Type / Role: @n8n/n8n-nodes-langchain.chatTrigger - chatTrigger
Config choices: Version 1.1

3. Summary Table

Workflow	Chat with OpenAI Assistant (by adding a memory)
Complexity	intermediate
Nodes	6
Categories	Personal Productivity, AI Chatbot
Author	David Roberts
Published	15 Feb 2024

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/2098/2098.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Personal Productivity workflows AI Chatbot workflows

Frequently asked questions

What does Chat with OpenAI Assistant (by adding a memory) do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Personal Productivity, AI Chatbot use case.

David Roberts

18 workflows

Nodes

n8n-nodes-base.stickynote @n8n/n8n-nodes-langchain.memorybufferwindow @n8n/n8n-nodes-langchain.openai @n8n/n8n-nodes-langchain.toolcalculator @n8n/n8n-nodes-langchain.chattrigger

Complexity

intermediate

Published 15 Feb 2024

Likes 0

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Install path: /data/workflows/2098/2098.json

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Chat with OpenAI Assistant (by adding a memory)

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Sticky Note1

Block 2 - Sticky Note4

Block 3 - Simple Memory

Block 4 - OpenAI

Block 5 - Calculator1

Block 6 - When chat message received

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions