Quick Overview
Quick Overview This workflow drafts replies for unread Gmail messages using OpenAI, publishes a Tailwind/Alpine approval dashboard to CustomJS, and sends approved replies back through Gmail via a webhook submission. How it works Starts manually and pulls unread emails from Gmail (up to the configured limit). Filters out messages whose sender contains common no-reply patterns. Sends each remaining email’s subject, snippet, sender, and recipient to OpenAI (gpt-5) to generate a draft reply. Combines the email metadata with the generated drafts and builds a single HTML inbox-style approval page that posts approvals back to an n8n webhook. Uploads (upserts) the generated HTML dashboard to CustomJS as a hosted page. Receives approved/edited reply text via the webhook, replies to the original message in Gmail using the message ID, and then marks the message as read. Setup Add a Gmail OAuth2 credential and select it for the Gmail read, reply, and mark-as-read steps. Add an OpenAI API credential and ensure the selected model (gpt-5) is available in your OpenAI account. Add a CustomJS credential and set the target page name you want to upsert (for example, “Dashboard”). In the HTML builder code, set N8N_BASE_URL to your reachable n8n URL and switch the webhook prefix from webhook-test to webhook for production. Activate the workflow so the “email-reply-submit” webhook endpoint can receive approvals from the hosted dashboard. An n8n automation workflow template by CustomJS.
CustomJS
web
free
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