This workflow follows the Agent → Chat Trigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"active": false,
"connections": {
"HTTP Request": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields": {
"main": [
[
{
"node": "Convert to File",
"type": "main",
"index": 0
}
]
]
},
"When chat message received": {
"main": [
[
{
"node": "AI Agent1",
"type": "main",
"index": 0
}
]
]
},
"Convert to File": {
"main": [
[
{
"node": "Read/Write Files from Disk",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "HTTP Request",
"type": "main",
"index": 0
}
]
]
},
"DeepSeek Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Split Out": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Items": {
"main": [
[],
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Read/Write Files from Disk": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"AI Agent1": {
"main": [
[
{
"node": "Split Out",
"type": "main",
"index": 0
}
]
]
},
"DeepSeek Chat Model1": {
"ai_languageModel": [
[
{
"node": "AI Agent1",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "AI Agent1",
"type": "ai_outputParser",
"index": 0
}
]
]
}
},
"createdAt": "2025-09-04T05:20:23.719Z",
"id": "w93FM0cGWtLm3iZz",
"isArchived": false,
"meta": null,
"name": "\u6587\u751f\u56fe\uff08banana\uff09",
"nodes": [
{
"parameters": {
"method": "POST",
"url": "https://openrouter.ai/api/v1/chat/completions",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "openRouterApi",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"model\": \"google/gemini-2.5-flash-image-preview:free\",\n \"messages\": [\n {\n \"role\": \"user\",\n \"content\": [\n {\n \"type\": \"text\",\n \"text\": \"{{ $json.output }}\"\n }\n ]\n }\n ]\n} ",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1344,
16
],
"id": "ee86722e-d31f-4c73-8810-0167576d5b97",
"name": "HTTP Request"
},
{
"parameters": {
"operation": "toBinary",
"sourceProperty": "base",
"options": {
"fileName": "={{ $json.name }}.png"
}
},
"type": "n8n-nodes-base.convertToFile",
"typeVersion": 1.1,
"position": [
1648,
16
],
"id": "822bdec7-2881-45a4-b2a3-d6673aa21468",
"name": "Convert to File"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "1105fbcd-2732-427a-af96-8102d1d4ef91",
"name": "base",
"value": "={{ $json.choices[0].message.images[0].image_url.url.split(\",\")[1] }}",
"type": "string"
},
{
"id": "0a8c6ab4-a596-4eb5-a681-4a0a52c46863",
"name": "mime",
"value": "={{ $json.choices[0].message.images[0].image_url.url.match(/^data:([^;]+)/)[1] }}",
"type": "string"
},
{
"id": "39873dde-90e0-4868-91f3-cdc1762ec64f",
"name": "data",
"value": "={{ $json.choices[0].message.images[0].image_url.url}}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1488,
16
],
"id": "3579b635-9eb1-48be-b9c3-6e4180d4d988",
"name": "Edit Fields"
},
{
"parameters": {
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"typeVersion": 1.1,
"position": [
0,
0
],
"id": "9ff1dc34-f2e3-482f-8a29-e2904e8f1130",
"name": "When chat message received"
},
{
"parameters": {
"operation": "write",
"fileName": "=./n8ndata/{{ $('Loop Over Items').item.json.output }}.png",
"options": {}
},
"type": "n8n-nodes-base.readWriteFile",
"typeVersion": 1,
"position": [
1824,
16
],
"id": "0595bbe7-ddcb-4dc7-9026-f82b42f70641",
"name": "Read/Write Files from Disk"
},
{
"parameters": {
"promptType": "define",
"text": "={{ $json.output }}",
"hasOutputParser": true,
"options": {
"systemMessage": "# \u4efb\u52a1\n\u6211\u9700\u8981\u4f60\u4e3a\u6211\u751f\u6210\u5355\u8bcd\u95ea\u5361\uff0c\u5f53\u7528\u6237\u63d0\u4f9b\u5355\u8bcd\u65f6\u9700\u8981\u4f60\u6839\u636e\u5355\u8bcd\u8f93\u51fa\u5bf9\u5e94\u7684\u56fe\u50cf\u63cf\u7ed8\u63d0\u793a\u8bcd\n\n## \u8f93\u51fa\u8981\u6c42\n\u98ce\u683c\u4e3a\u5361\u901a\u98ce\u683c\uff0c\u4e0a\u534a\u90e8\u5206\u4e3a\u8be5\u5355\u8bcd\u7684\u63cf\u8ff0\uff0c\u4e0b\u534a\u90e8\u5206\u7684\u80cc\u666f\u9ed8\u8ba4\u9009\u62e9\u7eaf\u767d\u8272\uff0c\u4e0b\u534a\u90e8\u5206\u8fd8\u6709\u6587\u5b57\u5185\u5bb9\u5355\u8bcd\u548c\u4e00\u53e5\u82f1\u8bed\u77ed\u8bed\u3002\n\n## \u8f93\u51fa\u793a\u4f8b\n\u98ce\u683c:\u5361\u901a\u98ce\u683c\uff0c\u4e0a\u534a\u90e8\u5206:\u5361\u901a\u5c0f\u8239\u5728\u84dd\u8272\u6e56\u9762\u4e0a\u5212\u884c\uff0c\u8239\u4e0a\u6709\u7b11\u8138\u5212\u6868\u7684\u5c0f\u5154\u5b50\uff0c\u4e0b\u534a\u90e8\u5206:\u80cc\u666f:\u7eaf\u767d\u8272\uff0c\u6587\u5b57:boat We row a boat on the lake.\n\n## \u9650\u5236\n- \u6309\u7167\u7528\u6237\u7684\u8f93\u5165\u6839\u636e\u8981\u6c42\u548c\u793a\u4f8b\u8fdb\u884c\u8f93\u51fa\uff0c\u4e0d\u5f97\u8f93\u51fa\u5176\u4ed6\u65e0\u5173\u7684\u5185\u5bb9\n\n"
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 2.1,
"position": [
1008,
16
],
"id": "b32a3e92-2141-4c01-95e2-b45c0e403ea2",
"name": "AI Agent"
},
{
"parameters": {
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatDeepSeek",
"typeVersion": 1,
"position": [
1008,
224
],
"id": "28d955f1-7c56-4827-928b-956d5295c720",
"name": "DeepSeek Chat Model"
},
{
"parameters": {
"fieldToSplitOut": "output, o",
"options": {}
},
"type": "n8n-nodes-base.splitOut",
"typeVersion": 1,
"position": [
560,
0
],
"id": "b9c25842-286f-4d08-b372-d178bd262c64",
"name": "Split Out"
},
{
"parameters": {
"batchSize": 3,
"options": {}
},
"type": "n8n-nodes-base.splitInBatches",
"typeVersion": 3,
"position": [
768,
0
],
"id": "a84b7083-61c9-4c13-8f7d-761757d40932",
"name": "Loop Over Items"
},
{
"parameters": {
"hasOutputParser": true,
"options": {
"systemMessage": "\u6839\u636e\u7528\u6237\u63d0\u4f9b\u7684\u4e3b\u9898\u8f93\u51fa\u8981\u6c42\u6570\u91cf\u7684\u82f1\u8bed\u5355\u8bcd"
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 2.1,
"position": [
192,
0
],
"id": "e459a95b-d68b-43ac-9d20-80cd4c5231b4",
"name": "AI Agent1"
},
{
"parameters": {
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatDeepSeek",
"typeVersion": 1,
"position": [
192,
208
],
"id": "09fe948b-5b2c-423e-9541-0ffbd02b8c01",
"name": "DeepSeek Chat Model1"
},
{
"parameters": {
"jsonSchemaExample": "[\n \"Apple\",\n \"Banana\",\n \"Orange\"\n]"
},
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"typeVersion": 1.3,
"position": [
384,
208
],
"id": "077a0069-e35d-4bca-a458-60dd15f9fee1",
"name": "Structured Output Parser"
}
],
"settings": {
"executionOrder": "v1"
},
"shared": [
{
"createdAt": "2025-09-04T05:20:23.726Z",
"updatedAt": "2025-09-04T05:20:23.726Z",
"role": "workflow:owner",
"workflowId": "w93FM0cGWtLm3iZz",
"projectId": "VqrcM1dcqhGnCvdT"
}
],
"staticData": null,
"tags": [],
"triggerCount": 0,
"updatedAt": "2025-09-04T05:20:30.000Z",
"versionId": "69c12404-9492-4eb2-865c-f07b1595aa5d"
}
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About this workflow
文生图（banana）. Uses httpRequest, chatTrigger, readWriteFile, agent. Chat trigger; 12 nodes.
Source: https://github.com/Monkey007YuFa/n8n_backup/blob/ac352dc0365e1aa446824ce892741f19dbd8edb8/workflowsw93FM0cGWtLm3iZz.json — original creator credit. Request a take-down →
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