OpenAI Assistant with custom n8n tools

Complex

High

Nodes

Complex

Trigger

High

Complexity

7/22/2025

Added

Workflow Overview

Total Nodes

Node Types

List countries?

1 node

manual Chat Trigger

On new manual Chat Message

1 node

open Ai Assistant

OpenAI Assistant

1 node

execute Workflow Trigger

Execute Workflow Trigger

1 node

code

Mapping data, Mapping data1

2 nodes

sticky Note

Sticky Note, Sticky Note1

2 nodes

set

Return country list, Return specific capital

2 nodes

tool Workflow

Tool to call the workflow below

1 node

summarize

Concatenate country names

1 node

merge

Get the matching country's details

1 node

tool Code

Tool: Get current date and time

1 node

Workflow JSON

9.98 KB

{
  "id": "aVTi7K9mFjK5OjAV",
  "meta": {
    "instanceId": "b3a8efae31a34c2224655b66499bee098263a56d266da574e8820468780b7ddd"
  },
  "name": "OpenAI Assistant with custom n8n tools",
  "tags": [],
  "nodes": [
    {
      "id": "d15e7634-408b-43c5-a8d6-afcbc83479a9",
      "name": "On new manual Chat Message",
      "type": "@n8n/n8n-nodes-langchain.manualChatTrigger",
      "position": [
        600,
        300
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "5d9ad043-adbe-4970-aa4e-b81dfcb9e255",
      "name": "OpenAI Assistant",
      "type": "@n8n/n8n-nodes-langchain.openAiAssistant",
      "position": [
        820,
        300
      ],
      "parameters": {
        "options": {},
        "assistantId": "asst_BWy0154vMGMdrX7MjCYaYv6a"
      },
      "credentials": {
        "openAiApi": {
          "id": "au6fQZN7it62DWlS",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "0c3aded2-886d-4c9f-...

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