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

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

Ready for 3.0

by Shun Nakayama ✓ · 1,442 views · created 2025-11-30 · Engineering, AI Chatbot

Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 11 nodes and runs on a schedule (every day at 09:00). Along the way it connects Google Tasks, OpenAI Chat Model, Google Sheets and Slack.

How it runs

Trigger: On a schedule (every day at 09:00).

  1. Get New Ideas (Google Tasks): get many
  2. Filter: keeps only the items that match a condition
  3. Iterate Ideas (Loop Over Items (Split in Batches)): loops over the items in batches
  4. AI Solution Architect (AI Agent): runs an AI agent, with model: OpenAI Chat Model; output parser: Parse JSON
  5. Slack: send and wait for a reply
  6. Is Approved? (If): checks a condition and branches into true / false
  7. Archive to Sheets (Google Sheets): append
  8. Mark as Notified (Google Tasks): update

Services it uses

Google TasksOpenAI Chat ModelGoogle SheetsSlack

Before you upgrade to n8n 3.0

Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.

Nodes used (10)

From the author

🚀 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…

Excerpt from Shun Nakayama's description on n8n.io.

View the original on n8n.io → Check your own copy

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