Draft follow-up email reminders in Gmail with Anthropic Claude

by Nocode Expert ✓ · 24 views · created 2026-08-03 · Personal Productivity, AI Summarization

What this workflow does

This workflow has 11 nodes and runs on a schedule (every day at 08:00). Along the way it connects Gmail. It also calls api.anthropic.com over HTTP.

How it runs

Trigger: On a schedule (every day at 08:00).

1. Set config: window, tone and recipients (Edit Fields (Set)): sets 9 fields: lookbackDays, minDaysSilent, maxDaysSilent…
2. Fetch the messages you sent (Gmail): get many
3. Fetch the replies you received (Gmail): get many
4. Find threads with no reply (Code): runs custom JavaScript code
5. Keep threads past your follow-up window (Filter): keeps only the items that match a condition
6. Build the follow-up request (Code): runs custom JavaScript code
7. Write follow-ups with Claude (HTTP Request): calls api.anthropic.com (POST)
8. Build drafts and digest (Code): runs custom JavaScript code
9. Save a draft reply on each thread (Gmail): work with draft
10. Email you the chase list (Gmail): uses Gmail

Services it uses

Gmail

HTTP calls to: api.anthropic.com

Before you upgrade to n8n 3.0

Nodes used (6)

• Schedule Triggern8n-nodes-base.scheduleTrigger
• Edit Fields (Set)n8n-nodes-base.set
• Gmailn8n-nodes-base.gmail
• Coden8n-nodes-base.code
• Filtern8n-nodes-base.filter
• HTTP Requestn8n-nodes-base.httpRequest

From the author

Quick overview This workflow runs every weekday morning to find Gmail threads where your last sent message has not been replied to, generates short follow-up drafts with Anthropic Claude, saves each as a Gmail draft in the original thread, and emails you a…

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