Communication & Messaging

e-mail Chatbot with both semantic and structured RAG, using Telegram and Pgvector

Complex

High

Nodes

Complex

Trigger

High

Complexity

7/22/2025

Added

Workflow Overview

Total Nodes

Node Types

Respond on Telegram in batches

1 node

telegram Trigger

Telegram Trigger

1 node

split In Batches

Loop Over Items

1 node

Came from Telegram?

1 node

chat Trigger

When chat message received

1 node

vector Store P G Vector

Postgres PGVector Store

1 node

tool Workflow

Call the SQL composer Workflow

1 node

embeddings Ollama

Embeddings Ollama

1 node

set

Beautify chat response, Generate session id

2 nodes

code

Escape Markdown, Split text into chunks

2 nodes

no Op

No Operation, do nothing

1 node

sticky Note

Sticky Note, Sticky Note1, Sticky Note2, Sticky Note3

4 nodes

memory Buffer Window

Simple Memory

1 node

agent

AI Agent

1 node

lm Chat Open Ai

OpenAI Chat Model

1 node

Workflow JSON

17.78 KB

{
  "id": "LPQsiqt476n7ne7f",
  "meta": {
    "instanceId": "8a3ba313628b26e4e4cf0504ff23322f235d6b433d92e59bcf8762764730ed80",
    "templateCredsSetupCompleted": true
  },
  "name": "e-mail Chatbot with both semantic and structured RAG, using Telegram and Pgvector",
  "tags": [],
  "nodes": [
    {
      "id": "f0707b32-4d10-457c-9c5e-d120123da4cb",
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        -180,
        180
      ],
      "webhookId": "1ac710ec-9d76-432e-9cbe-c569db85363f",
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {
          "chatIds": "6865163996"
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "ODwnm0QOyG3qSae4",
          "name": "Telegram mailsearch_plaintext_bot"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "2ed04863-6ff8-4770-ad1a-1cab65ac7233",
      "name": "Loop Over Items",
      "type": ...

Showing first 1000 characters. Click "Expand" to view the full JSON.