Send AI job application auto-replies with Gmail, OpenAI GPT-4o and SMTP
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 AI workflow has 8 nodes and runs on Gmail events. Along the way it connects Gmail and OpenAI Chat Model.
How it runs
Trigger: On Gmail events.
- If: checks a condition and branches into true / false
- Edit Fields (Edit Fields (Set)): sets 3 fields: candidateEmail, subject, companyEmail
- AI Agent: runs an AI agent, with model: OpenAI Chat Model; output parser: Structured Output Parser
- Send an Email (Send Email): sends an email over SMTP
Services it uses
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.
- Still check Gmail Trigger below v1.4 runs as v1.4 (drafts skipped, max emails per poll) (Gmail Trigger).
Nodes used (8)
- Gmail Trigger
n8n-nodes-base.gmailTrigger - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - AI Agent
@n8n/n8n-nodes-langchain.agent - Edit Fields (Set)
n8n-nodes-base.set - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - Send Email
n8n-nodes-base.emailSend - If
n8n-nodes-base.if - No Operation, do nothing
n8n-nodes-base.noOp
From the author
This workflow automatically replies to job applications received via email using AI. It monitors a Gmail inbox for incoming job application emails, filters relevant messages, and uses an AI agent to generate professional and personalized responses. The…