Chat-based semantic search in Gmail: ask questions abou

This automation indexes Gmail messages into a vector database and enables semantic search via a chat interface using AI. Users can ask natural language questions about their email content and receive accurate, context-aware answers. The solution is ideal for professionals managing high-volume email communication.

## Who it´s for
- Customer support specialists who need fast access to conversation history
- Project managers tracking tasks and deadlines from email threads
- Administrators automating document and decision retrieval from email archives
- Developers building internal AI assistants for email handling

## What the automation does
- Monitors Gmail for new messages and stores their content as embeddings in PostgreSQL with PGVector
- Triggers a LangChain RAG agent upon receiving a chat message to semantically search email history
- Generates natural language responses using OpenAI based on retrieved context
- Supports queries like: ´When is the meeting with Ivan?´, ´Show recent emails from client X´, or ´What tasks did I get for next week?´

## What´s included
- Ready-to-use n8n workflow
- Trigger logic (new email, incoming chat message)
- Integrations with Gmail, OpenAI API, and PostgreSQL (PGVector)
- Basic textual setup and adaptation guide

## Requirements for setup
- n8n instance (cloud or self-hosted)
- Gmail account with IMAP/API enabled
- Configured PostgreSQL database with PGVector extension active
- OpenAI API key
- Recursive Text Splitter available in runtime environment (if required)

## Benefits and outcomes
- Saves time searching through email archives
- Enables quick responses without manual scanning of past messages
- Semantic search over keywords — understands meaning, not just phrases
- Automatic indexing of new emails without user intervention
- Handles complex contextual queries effectively
- Scalable solution built on open technologies

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via Telegram: @gleb923.