How I Built an AI That Reads, Labels & Replies to Gmail Most inboxes are chaotic: job offers mixe...How I Built an AI That Reads, Labels & Replies to Gmail Most inboxes are chaotic: job offers mixe...
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Abu Yousuf Md Jumman's avatar
Abu Yousuf Md Jumman
• Oct 25
How I Built an AI That Reads, Labels & Replies to Gmail
Most inboxes are chaotic: job offers mixed with newsletters, client emails buried, important messages missed. I didn’t want to just “manage” Gmail — I wanted it to think.
I built an AI Gmail Assistant with n8n, Google Gemini, and LangChain. It:
Reads emails
Understands content
Labels correctly
Drafts polite replies
Tech Stack: n8n Workflow, Gemini LLM, LangChain AI Agent, Gmail Tool, Structured Output Parser
Workflow: polls Gmail → fetches message → AI classifies & drafts → parses JSON → labels → saves draft
Challenges: Polling isn’t real-time, messy JSON, label ID mismatches, plain text dull → switched to HTML
Results: ✔️ Inbox automated ✔️ 70% less time managing emails ✔️ Replies ready instantly ✔️ Labels synced perfectly
Business Workflow AutomationGmailGoogle SheetsAI AutomationEmail AutomationN8N
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