Data Processing & Analysis

Chat with Postgresql Database

Manual

High

Nodes

Manual

Trigger

High

Complexity

7/22/2025

Added

Workflow Overview

Total Nodes

Node Types

chat Trigger

When chat message received

1 node

agent

AI Agent

1 node

lm Chat Open Ai

OpenAI Chat Model

1 node

postgres Tool

Get Table Definition, Execute SQL Query, Get DB Schema and Tables List

3 nodes

sticky Note

Sticky Note, Sticky Note3, Sticky Note1, Sticky Note2

4 nodes

memory Buffer Window

Chat History

1 node

Workflow JSON

8.47 KB

{
  "id": "eOUewYsEzJmQixI6",
  "meta": {
    "instanceId": "77c4feba8f41570ef06dc76ece9a6ded0f0d44f7f1477a64c2d71a8508c11faa",
    "templateCredsSetupCompleted": true
  },
  "name": "Chat with Postgresql Database",
  "tags": [],
  "nodes": [
    {
      "id": "6501a54f-a68c-452d-b353-d7e871ca3780",
      "name": "When chat message received",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        -300,
        -80
      ],
      "webhookId": "cf1de04f-3e38-426c-89f0-3bdb110a5dcf",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1
    },
    {
      "id": "cd32221b-2a36-408d-b57e-8115fcd810c9",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        0,
        -80
      ],
      "parameters": {
        "agent": "openAiFunctionsAgent",
        "options": {
          "systemMessage": "You are DB assistant. You need to run queries in DB aligned with user requests.\n\nRun custom SQL query to...

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