Draft AI follow-up email drafts for stale estimates with Claude and Google Sheets
Ready for 3.0Ready 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 workflow has 8 nodes and runs on a schedule (every day at 09:00). Along the way it connects Google Sheets and Gmail. It also calls api.anthropic.com over HTTP.
How it runs
Trigger: On a schedule (every day at 09:00).
- Set Follow-up Parameters (Edit Fields (Set)): sets 6 fields: staleThresholdDays, businessName, senderName…
- Read Estimates from Sheets (Google Sheets): read
- Filter Stale Estimate Rows (Code): runs custom JavaScript code
- Post to Claude API (HTTP Request): calls api.anthropic.com (POST)
- Parse Claude Response (Code): runs custom JavaScript code
- Send Draft via Gmail (Gmail): work with draft
- Update Status in Sheets (Google Sheets): update
Services it uses
HTTP calls to: api.anthropic.com
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 (6)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Edit Fields (Set)
n8n-nodes-base.set - Google Sheets
n8n-nodes-base.googleSheets - Code
n8n-nodes-base.code - HTTP Request
n8n-nodes-base.httpRequest - Gmail
n8n-nodes-base.gmail
From the author
Quick overview This workflow runs daily to read estimates from Google Sheets, identify stale items that need a follow-up, generate a personalized email draft with Anthropic Claude, save it as a Gmail draft, and update the source sheet with the latest…