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Convert Task Ideas to Implementation Plans with GPT-4o, Slack & Google Sheets

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Created by: Shun Nakayama || nakayama

Shun Nakayama

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Last update a day ago

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🚀 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

  1. Fetch: The workflow periodically checks a specific Google Tasks list for new ideas.
  2. AI Design: The AI (OpenAI) analyzes your idea and generates a structured plan, including node configuration and potential pitfalls.
  3. 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.
  4. Archive: The approved plan (Title, Nodes, Challenges) is saved to a Google Sheet for future development.
  5. Close: The original Google Task is updated with a "Processed" flag.

How to set up

  1. Google Tasks: Create a new list named "n8n Ideas".
  2. 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
  3. Credentials: Configure credentials for Google Tasks, Google Sheets, OpenAI, and Slack.
  4. 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