This workflow follows the Agent → Execute Workflow 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 →
{
"name": "Advanced Web Researcher",
"nodes": [
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "ee2bcd57-3b4c-43f9-b4b7-3a25687b9a68",
"name": "query",
"value": "={{ $json.body.query }}",
"type": "string"
},
{
"id": "63f23e51-af2b-47c4-a288-5abaf9b6c357",
"name": "user_id",
"value": "={{ $json.body.user_id }}",
"type": "string"
},
{
"id": "b97a3670-8a87-481b-8695-db44624be7d8",
"name": "request_id",
"value": "={{ $json.body.request_id }}",
"type": "string"
},
{
"id": "b4a4acb2-b2c4-45c1-af2e-02636999af94",
"name": "session_id",
"value": "={{ $json.body.session_id }}",
"type": "string"
}
]
},
"options": {}
},
"id": "3e4c61bc-2191-40d2-9c34-1e359bc70f5d",
"name": "Edit Fields",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1380,
-60
]
},
{
"parameters": {
"respondWith": "allIncomingItems",
"options": {
"responseHeaders": {
"entries": [
{
"name": "X-n8n-Signature",
"value": "EvtIS^EBVISeie6svB@6ev"
}
]
}
}
},
"id": "acd98281-00a2-4413-9ae8-4515be12dae5",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
2020,
-60
]
},
{
"parameters": {
"sessionIdType": "customKey",
"sessionKey": "={{ $('Edit Fields').item.json.session_id }}",
"tableName": "messages"
},
"id": "870d7da9-6133-4a3e-ad96-49076fafa581",
"name": "Postgres Chat Memory",
"type": "@n8n/n8n-nodes-langchain.memoryPostgresChat",
"typeVersion": 1,
"position": [
1680,
160
],
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"options": {}
},
"id": "bc8e3ed1-d28c-49e5-84bd-6dfbf22de4c8",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1,
"position": [
1540,
160
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"name": "web_search",
"description": "Call this tool to search the web given a query that you come up with to help answer the user's question.",
"workflowId": {
"__rl": true,
"value": "={{ $workflow.id }}",
"mode": "id"
},
"responsePropertyName": "output",
"fields": {
"values": [
{
"name": "session_id",
"stringValue": "={{$('Edit Fields').item.json.session_id}}"
}
]
},
"specifyInputSchema": true,
"jsonSchemaExample": "{\n\t\"query\": \"React+19+Updates\"\n}"
},
"id": "eba4be88-a2af-423d-8bc8-a96c04e51ad5",
"name": "Call n8n Workflow Tool",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"typeVersion": 1.2,
"position": [
1820,
160
]
},
{
"parameters": {},
"id": "8dda872b-e5d4-41d6-964c-45d066907c19",
"name": "Execute Workflow Trigger",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"typeVersion": 1,
"position": [
1060,
400
]
},
{
"parameters": {
"tableId": "messages",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "session_id",
"fieldValue": "={{ $('Execute Workflow Trigger').item.json.session_id }}"
},
{
"fieldId": "message",
"fieldValue": "={{ {\n\"type\": \"ai\",\n\"content\": `-> Searching the web with query: ${$('Execute Workflow Trigger').item.json.query.query.replaceAll(\"+\", \" \")}`,\n\"data\": {},\n\"additional_kwargs\": {},\n\"response_metadata\": {}\n} }}"
}
]
}
},
"id": "7db86219-e0ff-4257-bf33-639eb4c5a967",
"name": "Add AI Message to DB",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
1300,
400
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"url": "=https://api.search.brave.com/res/v1/web/search?q={{ $('Execute Workflow Trigger').item.json.query.query }} }}&summary=1",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "application/json"
},
{
"name": "Accept-Encoding",
"value": "gzip"
}
]
},
"options": {}
},
"id": "13720dbf-adf3-4495-9a81-b39f2b078bba",
"name": "HTTP Request",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1540,
400
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"tableId": "messages",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "session_id",
"fieldValue": "={{ $('Execute Workflow Trigger').item.json.session_id }}"
},
{
"fieldId": "message",
"fieldValue": "={{ {\n\"type\": \"ai\",\n\"content\": \"-> Summarizing web research...\",\n\"data\": {},\n\"additional_kwargs\": {},\n\"response_metadata\": {}\n} }}"
}
]
}
},
"id": "e3859c7d-e165-4bd3-8d63-28df48f7df3c",
"name": "Add AI Message to DB1",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
1800,
400
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"url": "=https://api.search.brave.com/res/v1/summarizer/search?key={{ $('HTTP Request').item.json.summarizer.key }}&entity_info=1",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "application/json"
},
{
"name": "Accept-Encoding",
"value": "gzip"
}
]
},
"options": {}
},
"id": "f23367b2-61ef-4250-bd0f-6465ad4a8f50",
"name": "HTTP Request1",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
2040,
400
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "794f24a8-8730-44c6-992a-d3d5bf1ae1c5",
"name": "output",
"value": "={{ $('HTTP Request1').item.json.summary.toJsonString() }}",
"type": "string"
}
]
},
"options": {}
},
"id": "e381c064-b5a6-46ac-a303-ad90d6bd44b7",
"name": "Edit Fields1",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
2260,
400
]
},
{
"parameters": {
"httpMethod": "POST",
"path": "invoke-advanced-web-researcher",
"authentication": "headerAuth",
"responseMode": "responseNode",
"options": {}
},
"id": "39174a3c-ca54-4ee1-9ca6-b9c98f78121e",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
1140,
-60
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "={{ $('Edit Fields').item.json.query }}",
"options": {
"systemMessage": "=You are an expert at researching the web to answer user questions that you can't answer yourself. You have access to the Brave API through a tool to do so. You give it a query and then it gives you back a summary of the articles found in from searching the web with the query you gave.\n\nNote: All queries you pass into the tool for web research most not have spaces. Instead you need to use plus signs. This is because the query will be used with the \"q\" parameter in a GET request.",
"maxIterations": 5
}
},
"id": "02f411a2-31f2-43ee-bb7e-10050018aaa7",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.6,
"position": [
1620,
-60
]
},
{
"parameters": {
"content": "# Advanced Web Researcher Agent\n\nAuthor: [Cole Medin](https://www.youtube.com/@ColeMedin)\n\nThis n8n-powered agent is an advanced web research assistant that leverages the Brave Search API to perform comprehensive online research. Unlike traditional web research tools, it uses Brave's powerful search capabilities combined with AI summarization to provide more accurate, detailed, and relevant information from across the web.\n\n## Features\n\n- Utilizes Brave Search API for high-quality search results\n- Automatically summarizes articles and web content\n- Provides comprehensive research summaries\n- Maintains source attribution\n- Filters and prioritizes relevant information\n- Handles complex research queries",
"height": 441.41627906976817,
"width": 651.0139534883727,
"color": 6
},
"id": "ef855151-1566-47be-834f-8aa86128db4f",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
380,
-100
]
}
],
"connections": {
"Edit Fields": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Postgres Chat Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Call n8n Workflow Tool": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Add AI Message to DB": {
"main": [
[
{
"node": "HTTP Request",
"type": "main",
"index": 0
}
]
]
},
"HTTP Request": {
"main": [
[
{
"node": "Add AI Message to DB1",
"type": "main",
"index": 0
}
]
]
},
"Add AI Message to DB1": {
"main": [
[
{
"node": "HTTP Request1",
"type": "main",
"index": 0
}
]
]
},
"HTTP Request1": {
"main": [
[
{
"node": "Edit Fields1",
"type": "main",
"index": 0
}
]
]
},
"Webhook": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
},
"Execute Workflow Trigger": {
"main": [
[
{
"node": "Add AI Message to DB",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "d1380028-99fc-4ff1-8fcd-502f7e726c1b",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "rfWRQ9Uxaj2no7v1",
"tags": [
{
"createdAt": "2024-12-09T14:35:20.507Z",
"updatedAt": "2024-12-09T14:35:20.507Z",
"id": "wBUwbX8AS8QmBHOC",
"name": "studio-prod"
}
]
}
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.
httpHeaderAuthopenAiApipostgressupabaseApi
Pro
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About this workflow
Advanced Web Researcher. Uses memoryPostgresChat, lmChatOpenAi, toolWorkflow, executeWorkflowTrigger. Webhook trigger; 14 nodes.
Source: https://github.com/DPabloFlores/ottomator-agents/blob/main/advanced-web-researcher/Advanced_Web_Researcher.json — original creator credit. Request a take-down →
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