{
"meta": {
"instanceId": "cb484ba7b742928a2048bf8829668bed5b5ad9787579adea888f05980292a4a7"
},
"nodes": [
{
"id": "4c52efcf-039b-4550-8a63-3d3d4dde488b",
"name": "On new manual Chat Message",
"type": "@n8n/n8n-nodes-langchain.manualChatTrigger",
"position": [
740,
300
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "adb528f1-b87b-4bb2-99e1-776fd839522e",
"name": "Execute Workflow Trigger",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"position": [
680,
940
],
"parameters": {},
"typeVersion": 1
},
{
"id": "092cf737-5b53-4fc8-82f5-c775b77ea0bd",
"name": "Hacker News",
"type": "n8n-nodes-base.hackerNews",
"position": [
900,
940
],
"parameters": {
"limit": 50,
"resource": "all",
"additionalFields": {}
},
"typeVersion": 1
},
{
"id": "a0805137-630c-4065-826e-88afa000660f",
"name": "Clean up data",
"type": "n8n-nodes-base.set",
"position": [
1120,
940
],
"parameters": {
"fields": {
"values": [
{
"name": "title",
"stringValue": "={{ $json._highlightResult.title.value }}"
},
{
"name": "points",
"type": "numberValue",
"numberValue": "={{ $json.points }}"
},
{
"name": "url",
"stringValue": "={{ $json.url }}"
},
{
"name": "created_at",
"stringValue": "={{ $json.created_at }}"
},
{
"name": "author",
"stringValue": "={{ $json.author }}"
}
]
},
"include": "none",
"options": {}
},
"typeVersion": 3.2
},
{
"id": "e1b255f4-e970-42d6-9870-4e302bf2da83",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
960,
300
],
"parameters": {
"options": {
"maxIterations": 10
}
},
"typeVersion": 1.1
},
{
"id": "91e3391e-909e-4d63-9649-ff62781dbba9",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
960,
520
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"id": "VQtv7frm7eLiEDnd",
"name": "OpenAi account 7"
}
},
"typeVersion": 1
},
{
"id": "cd1f0028-635e-48eb-ac38-4c6fb25ed63e",
"name": "Stringify",
"type": "n8n-nodes-base.code",
"position": [
1340,
940
],
"parameters": {
"jsCode": "return {\n 'response': JSON.stringify($input.all().map(x => x.json))\n}"
},
"typeVersion": 2
},
{
"id": "7df241eb-67d3-4724-8b32-4b53561ed55f",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
880,
820
],
"parameters": {
"color": 7,
"width": 150,
"height": 293,
"content": "### Replace me\nwith any other service, e.g. fetching your own data"
},
"typeVersion": 1
},
{
"id": "270845df-7c2d-4035-9ac0-e41d418b3026",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
600,
738.125
],
"parameters": {
"color": 7,
"width": 927.5,
"height": 406.875,
"content": "### Sub-workflow: Custom tool\nThis can be called by the agent above. This example fetches the top 50 posts ever on Hacker News"
},
"typeVersion": 1
},
{
"id": "1d796a86-45d1-4fc4-8245-893525505d1f",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
600,
200
],
"parameters": {
"color": 7,
"width": 927.5,
"height": 486.5625,
"content": "### Main workflow: AI agent using custom tool\nTry it out by clicking 'Chat' and entering 'What is the 5th most popular post ever on Hacker News?'"
},
"typeVersion": 1
},
{
"id": "38ff64b5-6f47-4d2d-9051-caab418bb0e8",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
440,
300
],
"parameters": {
"width": 185.9375,
"height": 218,
"content": "## Try me out\n\nClick the 'Chat' button and enter:\n\n_What is the 5th most popular post ever on Hacker News?_"
},
"typeVersion": 1
},
{
"id": "3532e461-bd74-48f7-93e1-96d608c88688",
"name": "Custom tool to call the wf below",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"position": [
1120,
520
],
"parameters": {
"name": "hn_tool",
"workflowId": "={{ $workflow.id }}",
"description": "Returns a list of the most popular posts ever on Hacker News, in json format"
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"Hacker News": {
"main": [
[
{
"node": "Clean up data",
"type": "main",
"index": 0
}
]
]
},
"Clean up data": {
"main": [
[
{
"node": "Stringify",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Execute Workflow Trigger": {
"main": [
[
{
"node": "Hacker News",
"type": "main",
"index": 0
}
]
]
},
"On new manual Chat Message": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Custom tool to call the wf below": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
}
}
}