This workflow follows the Agent → OpenRouter Chat 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 →
{
"name": "Grammar",
"nodes": [
{
"parameters": {
"promptType": "define",
"text": "=I am learning English.I am trying to write a sentence to learn the word \"{{ $json.query.word }}\" and its variations, my sentence is \"{{ $json.query.sentence }}\". Please check my sentence and give me a better version, tell me what wrong in my sentence and what I need to focus to fix improve my English.",
"options": {
"systemMessage": ""
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.7,
"position": [
-432,
-256
],
"id": "187e6962-befe-4772-8bd9-1d5de4db412a",
"name": "AI Agent",
"onError": "continueRegularOutput"
},
{
"parameters": {
"model": "deepseek/deepseek-r1-0528:free",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"typeVersion": 1,
"position": [
-432,
-80
],
"id": "f14beb6b-fbdd-4267-9f20-8be2b543bd97",
"name": "OpenRouter Chat Model",
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"respondWith": "text",
"responseBody": "={{ $json.output }}",
"options": {}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
208,
64
],
"id": "fefce0ea-530d-488f-8346-27f82ab09549",
"name": "Respond to Webhook1",
"executeOnce": false
},
{
"parameters": {
"promptType": "define",
"text": "=I am learning English.I am trying to write a sentence to learn the word \"{{ $json.query.word }}\" and its variations, my sentence is \"{{ $json.query.sentence }}\". Please check my sentence and give me a better version, tell me what wrong in my sentence and what I need to focus to fix improve my English.",
"options": {
"systemMessage": ""
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.7,
"position": [
-432,
64
],
"id": "83d9996b-5914-4d8b-af4a-95821544bf9f",
"name": "AI Agent1",
"onError": "continueRegularOutput"
},
{
"parameters": {
"model": "qwen/qwen-2.5-vl-7b-instruct:free",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"typeVersion": 1,
"position": [
-448,
224
],
"id": "e71cb495-8828-4127-9276-9ca938e5b0b6",
"name": "OpenRouter Chat Model1",
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "return $input.item"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-80,
64
],
"id": "598aa45f-3dbf-4e1b-a31d-017328328f96",
"name": "Code",
"onError": "continueRegularOutput"
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "return $input.item"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
0,
-240
],
"id": "7bc96ac0-8857-46ea-9cfb-9e3b62a55b0c",
"name": "Code1",
"onError": "continueRegularOutput"
},
{
"parameters": {
"respondWith": "text",
"responseBody": "={{ $json.output }}",
"options": {}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
208,
-240
],
"id": "ae2bd804-83f1-4996-9c49-5e414c5cd5f0",
"name": "Respond to Webhook",
"executeOnce": false
},
{
"parameters": {
"promptType": "define",
"text": "=I am learning English.I am trying to write a sentence to learn the word \"{{ $json.query.word }}\" and its variations, my sentence is \"{{ $json.query.sentence }}\". Please check my sentence and give me a better version, tell me what wrong in my sentence and what I need to focus to fix improve my English.",
"options": {
"systemMessage": ""
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.7,
"position": [
560,
944
],
"id": "041d8c72-2c9d-4266-8f37-e3a5da6f4756",
"name": "AI Agent2",
"onError": "continueRegularOutput"
},
{
"parameters": {
"model": "xiaomi/mimo-v2-flash:free",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"typeVersion": 1,
"position": [
560,
1104
],
"id": "30e8a861-bbd5-4899-ac81-047906e3b695",
"name": "OpenRouter Chat Model2",
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"path": "grammar",
"responseMode": "responseNode",
"options": {
"rawBody": true
}
},
"id": "51790dad-6183-4831-9bcb-a202e3cd594a",
"name": "Webhook1",
"type": "n8n-nodes-base.webhook",
"position": [
240,
640
],
"typeVersion": 1
},
{
"parameters": {
"promptType": "define",
"text": "=I am learning English.I am trying to write a sentence to learn the word \"{{ $json.query.word }}\" and its variations, my sentence is \"{{ $json.query.sentence }}\". Please check my sentence and give me a better version, tell me what wrong in my sentence and what I need to focus to fix improve my English.",
"options": {
"systemMessage": ""
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.7,
"position": [
560,
640
],
"id": "efd227bc-1fc6-4374-892e-85e8b9359cad",
"name": "AI Agent3",
"onError": "continueRegularOutput"
},
{
"parameters": {
"model": "deepseek/deepseek-r1-0528:free",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"typeVersion": 1,
"position": [
560,
784
],
"id": "1ffcb443-a4b6-41a0-a67d-7e689c42d5e7",
"name": "OpenRouter Chat Model3",
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"respondWith": "text",
"responseBody": "={{ $json.output }}",
"options": {}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
1184,
640
],
"id": "e856a6c1-e614-4a1a-a58a-9102b59ce785",
"name": "Respond to Webhook2"
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "return $input.item"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
944,
640
],
"id": "89c80fcc-8727-4a53-97c3-32a657ee43fa",
"name": "Code2"
},
{
"parameters": {
"promptType": "define",
"text": "=I am learning English.I am trying to write a sentence to learn the word \"{{ $json.query.word }}\" and its variations, my sentence is \"{{ $json.query.sentence }}\". Please check my sentence and give me a better version, tell me what wrong in my sentence and what I need to focus to fix improve my English.",
"options": {
"systemMessage": ""
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.7,
"position": [
544,
304
],
"id": "fe29f9b7-a2e5-4f06-9415-7024fb35e544",
"name": "AI Agent4",
"alwaysOutputData": false,
"onError": "continueRegularOutput"
},
{
"parameters": {
"model": "qwen/qwen-2.5-vl-7b-instruct:free",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"typeVersion": 1,
"position": [
544,
464
],
"id": "c316a607-21a0-490c-9698-6e155f6ae200",
"name": "OpenRouter Chat Model4",
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"OpenRouter Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Code1",
"type": "main",
"index": 0
}
]
]
},
"OpenRouter Chat Model1": {
"ai_languageModel": [
[
{
"node": "AI Agent1",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"AI Agent1": {
"main": [
[
{
"node": "Code",
"type": "main",
"index": 0
}
]
]
},
"Code": {
"main": [
[
{
"node": "Respond to Webhook1",
"type": "main",
"index": 0
}
]
]
},
"Code1": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Respond to Webhook1": {
"main": [
[]
]
},
"AI Agent2": {
"main": [
[
{
"node": "Code2",
"type": "main",
"index": 0
}
]
]
},
"OpenRouter Chat Model2": {
"ai_languageModel": [
[
{
"node": "AI Agent2",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Webhook1": {
"main": [
[
{
"node": "AI Agent3",
"type": "main",
"index": 0
},
{
"node": "AI Agent4",
"type": "main",
"index": 0
},
{
"node": "AI Agent2",
"type": "main",
"index": 0
}
]
]
},
"AI Agent3": {
"main": [
[
{
"node": "Code2",
"type": "main",
"index": 0
}
]
]
},
"OpenRouter Chat Model3": {
"ai_languageModel": [
[
{
"node": "AI Agent3",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Code2": {
"main": [
[
{
"node": "Respond to Webhook2",
"type": "main",
"index": 0
}
]
]
},
"AI Agent4": {
"main": [
[
{
"node": "Code2",
"type": "main",
"index": 0
}
]
]
},
"OpenRouter Chat Model4": {
"ai_languageModel": [
[
{
"node": "AI Agent4",
"type": "ai_languageModel",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1",
"availableInMCP": false
},
"versionId": "d555eebd-57cb-4e97-91e3-413925c29ccf",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "ThSl44CXEr9LhS9v",
"tags": []
}
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.
openRouterApi
Pro
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About this workflow
Grammar. Uses agent, lmChatOpenRouter. Webhook trigger; 17 nodes.
Source: https://github.com/tuanfadbg/EasyLearnEnglish/blob/497df89fc7cb519188d2b34471a6d3bcf402a8b5/n8n/Grammar.json — original creator credit. Request a take-down →
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