Mauricio Perera This workflow corresponds to n8n.io template #7026 — we link there as the canonical source.
This workflow follows the Agent → Chat Trigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "904a709d-dc85-439f-8e72-f77cc8764f62",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-720,
-352
],
"parameters": {
"options": {
"systemMessage": "Eres un asistente \u00fatil y confiable. Tu objetivo principal es responder de forma clara, concreta y breve a las consultas del usuario.\n\nPuedes apoyarte en funciones o herramientas externas cuando est\u00e9n disponibles para resolver las tareas de forma m\u00e1s eficaz. Usa estos recursos de forma aut\u00f3noma y sin pedir permiso, siempre que ayuden a dar una mejor respuesta al usuario.\n\nSi no tienes suficiente informaci\u00f3n para responder, pide los datos necesarios de forma directa. S\u00e9 proactivo, toma la iniciativa cuando sea \u00fatil y enf\u00f3cate siempre en entregar soluciones pr\u00e1cticas y comprensibles."
}
},
"typeVersion": 2.1
},
{
"id": "35664f34-c12c-4c39-b80d-b6a87e52ac8e",
"name": "Loop Over Items",
"type": "n8n-nodes-base.splitInBatches",
"position": [
-1456,
16
],
"parameters": {
"options": {
"reset": false
}
},
"typeVersion": 3
},
{
"id": "1d043672-c1af-4633-92aa-342117c92faf",
"name": "Split Out Files",
"type": "n8n-nodes-base.splitOut",
"position": [
-1648,
16
],
"parameters": {
"include": "allOtherFields",
"options": {
"includeBinary": true,
"destinationFieldName": "=files"
},
"fieldToSplitOut": "=files"
},
"executeOnce": false,
"typeVersion": 1
},
{
"id": "45ee1755-7d8b-4eb4-8ce2-cc1fc6bf8220",
"name": "Aggregate",
"type": "n8n-nodes-base.aggregate",
"position": [
-1296,
-128
],
"parameters": {
"options": {
"includeBinaries": false
},
"fieldsToAggregate": {
"fieldToAggregate": [
{
"fieldToAggregate": "file"
}
]
}
},
"typeVersion": 1
},
{
"id": "13164f95-7fdf-437c-a3c0-d8f1b9f0a6b5",
"name": "Merge",
"type": "n8n-nodes-base.merge",
"position": [
-1280,
-352
],
"parameters": {},
"typeVersion": 3.2
},
{
"id": "828c6081-9420-42b6-9f78-0c6dbdbf5c33",
"name": "IMG",
"type": "@n8n/n8n-nodes-langchain.googleGeminiTool",
"position": [
-656,
-112
],
"parameters": {
"text": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Text_Input', ``, 'string') }}",
"modelId": {
"__rl": true,
"mode": "list",
"value": "models/gemma-3-27b-it",
"cachedResultName": "models/gemma-3-27b-it"
},
"options": {},
"resource": "image",
"imageUrls": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('URL_s_', ``, 'string') }}",
"operation": "analyze",
"descriptionType": "manual",
"toolDescription": "Analyze image in Google Gemini"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "ec27fa16-9ee7-44db-84c2-58b864da4ef6",
"name": "VIDEO",
"type": "@n8n/n8n-nodes-langchain.googleGeminiTool",
"position": [
-560,
-112
],
"parameters": {
"text": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Text_Input', ``, 'string') }}",
"modelId": {
"__rl": true,
"mode": "list",
"value": "models/gemini-2.0-flash-lite",
"cachedResultName": "models/gemini-2.0-flash-lite"
},
"options": {},
"resource": "video",
"operation": "analyze",
"videoUrls": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('URL_s_', ``, 'string') }}",
"descriptionType": "manual",
"toolDescription": "Analyze video in Google Gemini"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "c5bd84b4-aad1-4e25-819f-8a02bccfdc8e",
"name": "AUDIO",
"type": "@n8n/n8n-nodes-langchain.googleGeminiTool",
"position": [
-464,
-112
],
"parameters": {
"text": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Text_Input', ``, 'string') }}",
"modelId": {
"__rl": true,
"mode": "list",
"value": "models/gemini-2.0-flash-lite",
"cachedResultName": "models/gemini-2.0-flash-lite"
},
"options": {},
"resource": "audio",
"audioUrls": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('URL_s_', ``, 'string') }}",
"operation": "analyze",
"descriptionType": "manual",
"toolDescription": "Analyze audio in Google Gemini"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "1e54b2fb-241e-44fb-8b69-e79bea324399",
"name": "DOCUMENT",
"type": "@n8n/n8n-nodes-langchain.googleGeminiTool",
"position": [
-352,
-112
],
"parameters": {
"text": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Text_Input', ``, 'string') }}",
"modelId": {
"__rl": true,
"mode": "list",
"value": "models/gemini-2.0-flash-lite",
"cachedResultName": "models/gemini-2.0-flash-lite"
},
"options": {},
"resource": "document",
"documentUrls": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('URL_s_', ``, 'string') }}",
"descriptionType": "manual",
"toolDescription": "Analyze document in Google Gemini"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "3947d5fa-5cd6-4f17-80de-8aa86fa29df8",
"name": "Input",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-1664,
-352
],
"parameters": {
"options": {
"allowFileUploads": true
}
},
"typeVersion": 1.1
},
{
"id": "869e052e-ba3e-4795-8ad5-7787449af29b",
"name": "If Not Files",
"type": "n8n-nodes-base.if",
"position": [
-1504,
-352
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "e3475200-6983-492f-b08d-ca1c40f9e4a5",
"operator": {
"type": "array",
"operation": "notExists",
"singleValue": true
},
"leftValue": "={{ $json.files }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "cf62126c-3a4d-42ef-93c9-bc45d3e9a71d",
"name": "Upload a file",
"type": "@n8n/n8n-nodes-langchain.googleGemini",
"position": [
-1296,
32
],
"parameters": {
"resource": "file",
"inputType": "binary",
"binaryPropertyName": "=data{{$runIndex}}"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "60c8e74d-ac06-49e1-a58f-27a2b12eb5d5",
"name": "File data",
"type": "n8n-nodes-base.set",
"position": [
-1152,
32
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "c51e91b2-0bc3-41f7-ad20-6553a1f16a4f",
"name": "file.url",
"type": "string",
"value": "={{ $json.fileUri }}"
},
{
"id": "898419e5-f238-464c-abec-9410e0709bc8",
"name": "file.name",
"type": "string",
"value": "={{ $('Split Out Files').item.json.files.fileName }}"
},
{
"id": "4c088e7c-ed7c-48df-a448-e6107ca58fd9",
"name": "mimeType",
"type": "string",
"value": "={{ $json.mimeType }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "781c5dfc-fb88-4493-af59-c87edb0c2e8d",
"name": "Update Input",
"type": "n8n-nodes-base.set",
"position": [
-1152,
-128
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "1fba2a0e-8f8f-422d-8b3d-2ce9aba9718a",
"name": "files",
"type": "array",
"value": "={{ $json.file }}"
},
{
"id": "264f9f25-ab51-481d-b1b0-68fc63297d79",
"name": "",
"type": "string",
"value": ""
},
{
"id": "54da9062-5aef-4f1e-baf0-f2ea57864aef",
"name": "sessionId",
"type": "string",
"value": "={{ $('Input').item.json.sessionId }}"
},
{
"id": "dac98866-efeb-4fa3-af76-adf282ee6b29",
"name": "action",
"type": "string",
"value": "={{ $('Input').item.json.action }}"
},
{
"id": "34e03f34-f3d9-4eb3-8171-d47b0c276ef1",
"name": "chatInput",
"type": "string",
"value": "={{ $('Input').item.json.chatInput }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "178a32a0-206f-4af5-803f-6114a23c0303",
"name": "Generate chat Input",
"type": "n8n-nodes-base.set",
"position": [
-1120,
-352
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "88fdb9fb-e003-498e-98f8-9e8fcde8dd53",
"name": "chatInput",
"type": "string",
"value": "={{ $json.chatInput }}\n{{ $json.files ? 'Media: ' + $json.files.toJsonString() : '' }}"
},
{
"id": "8274ca7b-69b9-4b46-beb4-a8e11198c488",
"name": "sessionId",
"type": "string",
"value": "={{ $json.sessionId }}"
},
{
"id": "048b0f23-3d57-4056-b813-7ee8c25522fd",
"name": "action",
"type": "string",
"value": "={{ $json.action }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "13f5e189-ccf8-461f-9aa8-9d9b45b5352d",
"name": "Model",
"type": "@n8n/n8n-nodes-langchain.lmChatGroq",
"position": [
-928,
-112
],
"parameters": {
"model": "qwen/qwen3-32b",
"options": {}
},
"credentials": {
"groqApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "54fcccd9-0158-4cb7-98db-1675dcf7c29c",
"name": "Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
-784,
-112
],
"parameters": {
"contextWindowLength": 15
},
"typeVersion": 1.3
},
{
"id": "741b7bc6-d00e-45a5-9cbd-25c163f45e4a",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1776,
-528
],
"parameters": {
"color": 4,
"width": 448,
"height": 336,
"content": "## Start \n"
},
"typeVersion": 1
},
{
"id": "8f0a19e7-85aa-4dc1-8e7b-e18a83cd5d55",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1776,
-192
],
"parameters": {
"width": 816,
"height": 448,
"content": "## If files \n**Upload all files to Google**"
},
"typeVersion": 1
},
{
"id": "eb97a99c-4cb3-4a57-ace9-668d8dfed1fe",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1328,
-528
],
"parameters": {
"color": 2,
"width": 368,
"height": 336,
"content": "## The real chat input "
},
"typeVersion": 1
},
{
"id": "9fdb1af3-6e0c-4dfa-9705-e7b19fd91d84",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-960,
-528
],
"parameters": {
"color": 5,
"width": 736,
"height": 784,
"content": "## The Agent \n"
},
"typeVersion": 1
}
],
"connections": {
"IMG": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"AUDIO": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Input": {
"main": [
[
{
"node": "If Not Files",
"type": "main",
"index": 0
}
]
]
},
"Merge": {
"main": [
[
{
"node": "Generate chat Input",
"type": "main",
"index": 0
}
]
]
},
"Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"VIDEO": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"DOCUMENT": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Aggregate": {
"main": [
[
{
"node": "Update Input",
"type": "main",
"index": 0
}
]
]
},
"File data": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"If Not Files": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 0
}
],
[
{
"node": "Split Out Files",
"type": "main",
"index": 0
}
]
]
},
"Update Input": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 1
}
]
]
},
"Upload a file": {
"main": [
[
{
"node": "File data",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Items": {
"main": [
[
{
"node": "Aggregate",
"type": "main",
"index": 0
}
],
[
{
"node": "Upload a file",
"type": "main",
"index": 0
}
]
]
},
"Split Out Files": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Generate chat Input": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
googlePalmApigroqApi
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About this workflow
This workflow enables multimodal file analysis using Google Gemini tools connected to a text-only LLM agent. Users can upload images, videos, audio files, or documents via a chat interface. The workflow will: Upload each file to Google Gemini and obtain an accessible URL.…
Source: https://n8n.io/workflows/7026/ — original creator credit. Request a take-down →
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