Basic Automatic Gmail Email Labelling with OpenAI and Gmail API

Gmail trigger Poll Gmail every x minutes, trigger when a new email is received. - Gmail API

Integrations Used (5)

Gmail

Workflow Structure (9 nodes)

100%

Gmail Trigger

Wait

Langchain.agent

Gmail labelling agent

Langchain.lm Chat Open Ai

OpenAI Chat Model1

Langchain.memory Buffer Window

Window Buffer Memory

Gmail Tool

Gmail - read labels

Gmail Tool

Gmail - get message

Gmail Tool

Gmail - add label to message

Gmail Tool

Gmail - create label

Node Types:

trigger

default

Requires credentials

Prerequisites

Required Credentials (2)

Gmail

Used by: Gmail Trigger, Gmail - read labels +3 more

Docs

OpenAI

Used by: OpenAI Chat Model1

Docs

Complexity

Moderate

Some experience helpful. Multiple integrations or logic.

Setup time: ~25 min

Score: 29/100

When to Use This Workflow

Streamline Team Communication

Automatically route notifications and updates to the right channels and people.

Reduce information overload while keeping everyone informed.

Email Automation

Automate email responses, forwarding, or organization based on rules.

Handle routine email tasks automatically and focus on what matters.

Real-time Response

React instantly when events happen - new orders, form submissions, or API calls.

Zero delay between trigger and action for time-sensitive workflows.

workflow.json

{
  "nodes": [
    {
      "id": "2a41e2da-19f7-4c31-ab93-3a534db3179e",
      "name": "Gmail Trigger",
      "type": "n8n-nodes-base.gmailTrigger",
      "position": [
        -360,
        -260
      ],
      "parameters": {
        "filters": {},
        "pollTimes": {
          "item": [
            {
              "mode": "everyX",
              "unit": "minutes",
              "value": 5
            }
          ]
...