Sleak This workflow corresponds to n8n.io template #3101 — we link there as the canonical source.
This workflow follows the Agent → Form 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 →
{
"id": "aOP0D1cAqzGv7Xa8",
"name": "spy tool",
"tags": [],
"nodes": [
{
"id": "5690844d-5322-4c62-8c83-eb4d4dc9c481",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1400,
340
],
"parameters": {
"model": "gpt-4o",
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "3b1c034f-501b-423c-844f-9cb607fa91e6",
"name": "Gmail",
"type": "n8n-nodes-base.gmailTool",
"position": [
1580,
340
],
"parameters": {
"sendTo": "user@example.com",
"message": "={{ $fromAI(\"change\", \"What relevant part has changed on the website?\") }}",
"options": {
"appendAttribution": false
},
"subject": "=Relevant changes on {{ $('parse results').item.json.website_url }}",
"emailType": "text",
"descriptionType": "manual",
"toolDescription": "=Use this tool if you need to send an email, but only if the terms in the instructions mentioned explicitly state so\n"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "4d448a02-4569-451e-8be5-59bfc48f36d8",
"name": "parse results",
"type": "n8n-nodes-base.code",
"position": [
1180,
-160
],
"parameters": {
"jsCode": "const parsedObject = JSON.parse($('convert message to website url & instruction').first().json.choices[0].message.content);\n\nreturn parsedObject"
},
"typeVersion": 2
},
{
"id": "238298c4-5bba-4ac1-b3cc-ab5a28888560",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
1420,
-120
],
"parameters": {
"width": 260,
"height": 180,
"content": "## Note: almost never works right away\nAdjust the prompts in the 'Tools agent' and 'Gmail' node as desired to steer the agent's behavior in the right direction"
},
"typeVersion": 1
},
{
"id": "0d519c06-aa30-4a33-895f-9185936d27cf",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
480,
100
],
"parameters": {
"width": 150,
"height": 80,
"content": "Connect your Firecrawl account"
},
"typeVersion": 1
},
{
"id": "9e327bbe-0096-4a4d-aec2-2e4cae7d91bd",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1740,
80
],
"parameters": {
"width": 150,
"height": 80,
"content": "Connect your own OpenAI account\n"
},
"typeVersion": 1
},
{
"id": "30ce0e22-f536-462f-8f94-f3fd92ae036f",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1660,
300
],
"parameters": {
"width": 150,
"height": 80,
"content": "Connect your own Gmail account\n"
},
"typeVersion": 1
},
{
"id": "bc003781-3d91-49b6-b6bb-b2970b39256a",
"name": "convert message to website url & instruction",
"type": "n8n-nodes-base.httpRequest",
"position": [
940,
-160
],
"parameters": {
"url": "https://api.openai.com/v1/chat/completions",
"method": "POST",
"options": {},
"jsonBody": "={\n \"model\": \"gpt-4o-2024-08-06\",\n \"messages\": [\n {\n \"role\": \"user\",\n \"content\": \"convert the following message to a website url (just the plain text url, NOT formatted or in markdown) and prompt to AI. Make the prompt as verbose as possible. Message: {{ $('New espionage assignment').first().json.assignment_instructions }}\"\n }\n ],\n \"response_format\": {\n \"type\": \"json_schema\",\n \"json_schema\": {\n \"name\": \"variable_extraction\",\n \"schema\": {\n \"type\": \"object\",\n \"properties\": {\n \"website_url\": { \"type\": \"string\" },\n \"prompt\": { \"type\": \"string\" }\n },\n \"required\": [\"website_url\", \"prompt\"],\n \"additionalProperties\": false\n },\n \"strict\": true\n }\n }\n}\n",
"sendBody": true,
"specifyBody": "json",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "openAiApi"
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "6a8c172d-ac39-4cb0-b601-39fc770695ed",
"name": "New espionage assignment",
"type": "n8n-nodes-base.formTrigger",
"position": [
700,
-160
],
"parameters": {
"options": {},
"formTitle": "New espionage assignment",
"formFields": {
"values": [
{
"fieldLabel": "assignment_instructions"
}
]
}
},
"notesInFlow": false,
"typeVersion": 2.2
},
{
"id": "c5c64e5c-88de-45e3-bb9b-4096e74a6e83",
"name": "wait 1 day",
"type": "n8n-nodes-base.wait",
"position": [
940,
80
],
"parameters": {
"unit": "days",
"amount": 1
},
"typeVersion": 1.1
},
{
"id": "62a278ff-ed00-4e54-a608-001237551113",
"name": "scrape page - 1",
"type": "n8n-nodes-base.httpRequest",
"position": [
700,
80
],
"parameters": {
"url": "https://api.firecrawl.dev/v1/scrape",
"method": "POST",
"options": {},
"jsonBody": "={\n \"url\": \"{{ $('parse results').item.json.website_url }}\",\n \"formats\": [\n \"markdown\"\n ],\n \"onlyMainContent\": true,\n \"waitFor\": 5000\n}",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpBasicAuth": {
"name": "<your credential>"
},
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"retryOnFail": true,
"typeVersion": 4.2
},
{
"id": "89c15d8f-7f8e-4391-b24a-07579964ca5c",
"name": "scrape page - 2",
"type": "n8n-nodes-base.httpRequest",
"position": [
1180,
80
],
"parameters": {
"url": "https://api.firecrawl.dev/v1/scrape",
"method": "POST",
"options": {},
"jsonBody": "={\n \"url\": \"{{ $('parse results').item.json.website_url }}\",\n \"formats\": [\n \"markdown\"\n ],\n \"onlyMainContent\": true,\n \"waitFor\": 5000\n}",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"retryOnFail": true,
"typeVersion": 4.2
},
{
"id": "7b148c5b-d4ae-498a-b7ef-2ed4ecc0a665",
"name": "send e-mail?",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
1420,
80
],
"parameters": {
"text": "={{ $('parse results').item.json.prompt }}\n\nNOTE: ONLY send an email if the situation meets the above condition. Otherwise, do NOT use the tool\n\nNOTE: this concerns differences between the \"old version page\" (scrape from yesterday) and \"new version page\" (scrape from now)",
"options": {
"systemMessage": "=old version page: \\n\\n {{ JSON.stringify($('scrape page - 1').item.json[\"data\"][\"markdown\"]) }} \\n\\n /// \\n\\n new version page: \\n\\n {{ JSON.stringify($('scrape page - 1').item.json[\"data\"][\"markdown\"]) }}"
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 1.7
},
{
"id": "7897d707-2c27-43bf-9ea0-90ab7996bf4a",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
920,
-260
],
"parameters": {
"width": 150,
"height": 80,
"content": "Connect your own OpenAI account\n"
},
"typeVersion": 1
}
],
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "dec23eea-1590-4418-ab2b-1cb4a6ccfdc6",
"connections": {
"Gmail": {
"ai_tool": [
[
{
"node": "send e-mail?",
"type": "ai_tool",
"index": 0
}
]
]
},
"wait 1 day": {
"main": [
[
{
"node": "scrape page - 2",
"type": "main",
"index": 0
}
]
]
},
"send e-mail?": {
"main": [
[
{
"node": "scrape page - 1",
"type": "main",
"index": 0
}
]
]
},
"parse results": {
"main": [
[
{
"node": "scrape page - 1",
"type": "main",
"index": 0
}
]
]
},
"scrape page - 1": {
"main": [
[
{
"node": "wait 1 day",
"type": "main",
"index": 0
}
]
]
},
"scrape page - 2": {
"main": [
[
{
"node": "send e-mail?",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "send e-mail?",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"New espionage assignment": {
"main": [
[
{
"node": "convert message to website url & instruction",
"type": "main",
"index": 0
}
]
]
},
"convert message to website url & instruction": {
"main": [
[
{
"node": "parse results",
"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.
gmailOAuth2httpBasicAuthhttpHeaderAuthopenAiApi
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About this workflow
This workflow template is designed for people seeking alerts when certain specific changes are made to any web page. Leveraging agentic AI, it analyzes the page every day and autonomously decides whether to send you an e-mail notification. Track price changes on [competitor's…
Source: https://n8n.io/workflows/3101/ — original creator credit. Request a take-down →
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