Add Project Tasks to Google Sheets with GPT-4.1-mini Chat Assistant

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Important notice

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

1. Workflow Overview

Let your team create, track, and manage project tasks through natural conversation. This workflow uses an AI Project Manager Agent that chats with users, gathers the task details it needs, and auto...

Best for

Project Management automation workflows
AI Chatbot automation workflows
advanced n8n builders looking for reusable templates

Tools used

@n8n/n8n-nodes-langchain.chattrigger, @n8n/n8n-nodes-langchain.agent, @n8n/n8n-nodes-langchain.lmchatopenai, @n8n/n8n-nodes-langchain.memorybufferwindow, @n8n/n8n-nodes-langchain.outputparserstructured, n8n-nodes-base.stickynote, n8n-nodes-base.googlesheets, @n8n/n8n-nodes-langchain.chat

Source and attribution

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

Original n8n.io source

1.1 Workflow description

Title: Add Project Tasks to Google Sheets with GPT-4.1-mini Chat Assistant
Workflow name: Add Project Tasks to Google Sheets with GPT-4.1-mini Chat Assistant

Let your team create, track, and manage project tasks through natural conversation.
This workflow uses an AI Project Manager Agent that chats with users, gathers the task details it needs, and automatically adds them to a Google Sheet.

✅ What this template does

Lets you chat naturally with an AI to add new project tasks
Automatically detects if the user wants to create or update an item (updates coming soon)
Collects Task, Description, and Status fields — allows “don’t know” responses
Appends new entries directly into your connected Google Sheets
Provides real-time confirmation when the task is added

> Trigger: n8n Chat Trigger
> Integrations: OpenAI GPT-4.1-mini + Google Sheets (OAuth2)

🧠 How it works

The Chat Trigger starts a chat with the user.
The AI Project Manager Agent asks guiding questions to gather the task name, description, and status.
When all fields are complete (all Info = Yes), the data is passed to the Google Sheets node.
The task is automatically added to your project tracker sheet.
The AI confirms completion in chat.

⚙️ Setup instructions

1. Connect OpenAI

Go to OpenAI Platform → copy your API key.
In n8n, create New Credentials → OpenAI API and paste your key.
Ensure your account has active billing under OpenAI Billing.

2. Connect Google Sheets (OAuth2)

In n8n → Credentials → New → Google Sheets (OAuth2)
Sign in with your Google account and grant access.
Select your spreadsheet and tab (e.g., “Tasks”) when prompted.
- Example sheet: https://docs.google.com/spreadsheets/d/1pbK-B-Q9p8fVjxJIsjEVrAfRgqEPCeYw8rZojZPAb84/edit

3. Test your chat

Click Execute Workflow, then start chatting:
> “Add a task for reviewing the project report tomorrow.”
The agent will ask questions if needed, then add the record to your sheet.

🧩 Customization ideas

Add a Date Added or Assigned To column to the Google Sheet
Integrate with Slack or Outlook to message assigned users
Extend the agent to support task updates and deletes
Replace Google Sheets with Airtable or Notion if preferred

🪄 Requirements

n8n version ≥ 1.100
OpenAI API key
Google Sheets account

📬 Contact

Need help customizing this (e.g., adding deadlines, linking to Notion, or Slack notifications)?

📧 [email protected]
🔗 Robert Breen
🌐 ynteractive.com

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 - Chat Trigger

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

Block 2 - Project Manager Agent

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 2.2

Block 3 - OpenAI Chat Model

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices: Version 1.2

Block 4 - Chat Memory

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

Block 5 - Structured Output Parser

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

Block 6 - OpenAI Chat Model1

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices: Version 1.2

Block 7 - OpenAI Chat Model2

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices: Version 1.2

Block 8 - Structured Output Parser1

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

Block 9 - Write Json

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 2.2

Block 10 - Sticky Note1

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

Block 11 - Sticky Note4

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

Block 12 - Sticky Note64

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

Block 13 - Add Task

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.7

Block 14 - Respond Complete

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

Block 15 - Have All Info?

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.2

Block 16 - Sticky Note29

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

Block 17 - Get More Info

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

3. Summary Table

Workflow	Add Project Tasks to Google Sheets with GPT-4.1-mini Chat Assistant
Complexity	advanced
Nodes	17
Categories	Project Management, AI Chatbot
Author	Robert Breen
Published	27 Oct 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/10230/10230.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 Project Management workflows AI Chatbot workflows

Frequently asked questions

What does Add Project Tasks to Google Sheets with GPT-4.1-mini Chat Assistant 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 Project Management, AI Chatbot use case.

Robert Breen

90 workflows

Nodes

@n8n/n8n-nodes-langchain.chattrigger @n8n/n8n-nodes-langchain.agent @n8n/n8n-nodes-langchain.lmchatopenai @n8n/n8n-nodes-langchain.memorybufferwindow @n8n/n8n-nodes-langchain.outputparserstructured n8n-nodes-base.stickynote n8n-nodes-base.googlesheets @n8n/n8n-nodes-langchain.chat

Complexity

advanced

Published 27 Oct 2025

Likes 0

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Install path: /data/workflows/10230/10230.json

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Add Project Tasks to Google Sheets with GPT-4.1-mini Chat Assistant

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

✅ What this template does

🧠 How it works

⚙️ Setup instructions

1. Connect OpenAI

2. Connect Google Sheets (OAuth2)

3. Test your chat

🧩 Customization ideas

🪄 Requirements

📬 Contact

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Chat Trigger

Block 2 - Project Manager Agent

Block 3 - OpenAI Chat Model

Block 4 - Chat Memory

Block 5 - Structured Output Parser

Block 6 - OpenAI Chat Model1

Block 7 - OpenAI Chat Model2

Block 8 - Structured Output Parser1

Block 9 - Write Json

Block 10 - Sticky Note1

Block 11 - Sticky Note4

Block 12 - Sticky Note64

Block 13 - Add Task

Block 14 - Respond Complete

Block 15 - Have All Info?

Block 16 - Sticky Note29

Block 17 - Get More Info

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