Gmail AI Auto-Responder: Draft Replies to Incoming Emails

Name: Gmail AI Auto-Responder: Draft Replies to Incoming Emails
Rating: 5 (5 reviews)
Author: Free N8N

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Productivityaiautomationdraftingemailgmailopenai

Automates drafting replies to incoming emails using AI, creating them as Gmail drafts.

About This Workflow

This workflow automates the process of responding to incoming emails by leveraging AI to generate draft replies. It monitors your Gmail inbox, determines if a reply is necessary, and then uses an AI model to draft a suitable response, which is saved as a draft in your Gmail account, ready for review and sending. The workflow is designed to handle various email types and ensure professional, contextually relevant replies.

Key Features

Gmail Integration: Triggers on new incoming emails in Gmail.
AI-Powered Reply Generation: Uses OpenAI's language models (gpt-4o, gpt-4-turbo) to understand email content and draft replies.
Reply Necessity Assessment: Includes an AI step to determine if an email actually requires a response, avoiding unnecessary drafts.
Structured Output Parsing: Utilizes a JSON parser to handle AI output for structured decision-making (e.g., determining if a reply is needed).
Draft Creation: Creates replies as drafts in Gmail, preserving the original conversation thread.
Customizable Prompts: Allows for detailed instructions to the AI for generating appropriate and professional replies.
Language Adaptation: The AI is instructed to reply in the same language as the inbound email.

How To Use

Gmail Trigger: Configure the Gmail Trigger node to monitor your inbox for new emails. The filter -from:me ensures it doesn't trigger on your own sent emails.
AI Reply Assessment: The Assess if message needs a reply node (using Assess if message needs a reply chainLlm) analyzes the incoming email's subject and HTML content to determine if a reply is necessary. It's instructed to return true or false in JSON format.
JSON Parser: The JSON Parser node (@n8n/n8n-nodes-langchain.outputParserStructured) processes the AI's assessment output.
Conditional Logic: The If Needs Reply node checks the output from the parser. If needsReply is true, the workflow proceeds to draft a reply.
AI Reply Generation: The Generate email reply node (@n8n/n8n-nodes-langchain.chainLlm) uses the email's subject and content to prompt the AI (e.g., gpt-4-turbo) to draft a professional reply. The prompt includes specific instructions for tone, formatting, and handling of questions.
Gmail Create Draft: The Gmail - Create Draft node takes the AI-generated reply and creates a draft in your Gmail account. It uses the original sender as the recipient and preserves the threadId for continuity.

Apps Used

automation

drafting

gmail

openai

Workflow JSON

{
  "id": "b56828b0-b8c5-4557-8fe4-a2b0d5b4493a",
  "name": "Gmail AI Auto-Responder: Draft Replies to Incoming Emails",
  "nodes": 6,
  "category": "Productivity",
  "status": "active",
  "version": "1.0.0"
}

Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.