Convert task ideas to implementation plans with GPT-4o, Slack & Google Sheets

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Important notice

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

1. Workflow Overview

Turn your random ideas into concrete automation specs This workflow acts as your interactive "n8n Consultant." Simply write down a rough automation idea in Google Tasks (e.g., "Send weather upda...

Best for

Engineering automation workflows
AI Chatbot automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.filter, n8n-nodes-base.stickynote, n8n-nodes-base.googletasks, n8n-nodes-base.scheduletrigger, @n8n/n8n-nodes-langchain.lmchatopenai, n8n-nodes-base.googlesheets, n8n-nodes-base.if, n8n-nodes-base.slack

Source and attribution

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

Original n8n.io source

1.1 Workflow description

Title: Convert task ideas to implementation plans with GPT-4o, Slack & Google Sheets
Workflow name: Convert task ideas to implementation plans with GPT-4o, Slack & Google Sheets

🚀 Turn your random ideas into concrete automation specs

This workflow acts as your interactive "n8n Consultant." Simply write down a rough automation idea in Google Tasks (e.g., "Send weather updates to Telegram"), and the AI will research, design, and send a detailed n8n implementation plan to your Slack.

✨ Why is this workflow special? Unlike simple notification workflows, this features a Human-in-the-Loop review process. You don't just get a message; you get control.

Regenerate: Not satisfied with the AI's plan? Click a button in Slack to have the AI rewrite it instantly.
Archive: Happy with the plan? Click "Approve" to automatically save the detailed specs to Google Sheets and mark the task as complete.

How it works

Fetch: The workflow periodically checks a specific Google Tasks list for new ideas.
AI Design: The AI (OpenAI) analyzes your idea and generates a structured plan, including node configuration and potential pitfalls.
Human Review: It sends the plan to Slack with interactive "Approve" and "Regenerate" buttons. The workflow waits for your input.
- If Regenerate: The AI re-analyzes the idea and creates a new variation.
- If Approve: The workflow proceeds to the next step.
Archive: The approved plan (Title, Nodes, Challenges) is saved to a Google Sheet for future development.
Close: The original Google Task is updated with a "Processed" flag.

How to set up

Google Tasks: Create a new list named "n8n Ideas".
Google Sheets: Create a new sheet with the following headers in the first row (A to H):
- Date Added
- Idea Title
- Status
- Recommended Nodes
- Key Challenges
- Improvement Ideas
- Alternatives
- Source Task ID
Credentials: Configure credentials for Google Tasks, Google Sheets, OpenAI, and Slack.
Configure Nodes:
- [Step 1] Fetch New Ideas: Select your Task list.
- [Step 4] Slack — Review & Approve: Select your target channel.
- [Action] Archive to Sheets: Select your Spreadsheet and Sheet.
- [Close] Mark Task Done: Select your Task list again.

Requirements

Google Tasks account
Google Sheets account
OpenAI API Key
Slack account

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 - Filter Processed

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

Block 2 - Sticky Note

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

Block 3 - Sticky Note1

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

Block 4 - Sticky Note2

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

Block 5 - Sticky Note3

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

Block 6 - Get New Ideas

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

Block 7 - Schedule Trigger

Type / Role: n8n-nodes-base.scheduleTrigger - scheduleTrigger
Config choices: Version 1.3

Block 8 - Mark as Notified

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

Block 9 - OpenAI Chat Model

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

Block 10 - Archive to Sheets

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

Block 11 - Is Approved?

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

Block 12 - Slack — Review & Approve

Type / Role: n8n-nodes-base.slack - slack
Config choices: Version 2.3

Block 13 - Parse JSON

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

Block 14 - AI Solution Architect

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 3

Block 15 - Iterate Ideas

Type / Role: n8n-nodes-base.splitInBatches - splitInBatches
Config choices: Version 3

3. Summary Table

Workflow	Convert task ideas to implementation plans with GPT-4o, Slack & Google Sheets
Complexity	advanced
Nodes	15
Categories	Engineering, AI Chatbot
Author	Shun Nakayama
Published	30 Nov 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/11362/11362.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 Engineering workflows AI Chatbot workflows

Frequently asked questions

What does Convert task ideas to implementation plans with GPT-4o, Slack & Google Sheets do?

Turn your random ideas into concrete automation specs This workflow acts as your interactive "n8n Consultant." Simply write down a rough automation idea in Google Tasks (e.g., "Send weather upda...

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 Engineering, AI Chatbot use case.

Shun Nakayama

7 workflows

Nodes

n8n-nodes-base.filter n8n-nodes-base.stickynote n8n-nodes-base.googletasks n8n-nodes-base.scheduletrigger @n8n/n8n-nodes-langchain.lmchatopenai n8n-nodes-base.googlesheets n8n-nodes-base.if n8n-nodes-base.slack

Complexity

advanced

Published 30 Nov 2025

Likes 0

View on n8n.io Download Workflow

Install path: /data/workflows/11362/11362.json

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Convert task ideas to implementation plans with GPT-4o, Slack & Google Sheets

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

🚀 Turn your random ideas into concrete automation specs

How it works

How to set up

Requirements

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Filter Processed

Block 2 - Sticky Note

Block 3 - Sticky Note1

Block 4 - Sticky Note2

Block 5 - Sticky Note3

Block 6 - Get New Ideas

Block 7 - Schedule Trigger

Block 8 - Mark as Notified

Block 9 - OpenAI Chat Model

Block 10 - Archive to Sheets

Block 11 - Is Approved?

Block 12 - Slack — Review & Approve

Block 13 - Parse JSON

Block 14 - AI Solution Architect

Block 15 - Iterate Ideas

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