{
"meta": {
"instanceId": "408f9fb9940c3cb18ffdef0e0150fe342d6e655c3a9fac21f0f644e8bedabcd9",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "b6836974-0d4b-482b-8a8a-c00f229f1136",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
100,
500
],
"parameters": {
"color": 7,
"width": 150,
"height": 293,
"content": "### Replace me\nwith any other service, e.g. fetching your own data"
},
"typeVersion": 1
},
{
"id": "c0b8b657-24b8-4c0b-bfe9-d4fe2075dbe5",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-180,
420
],
"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": "a1dab7b1-b028-44a2-ab55-d8edee62e261",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-180,
-120
],
"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": "84d91346-6b1d-4808-a6b3-ce212cd122d0",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-340,
-20
],
"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": "50c7208d-d2dc-4380-9f81-6d7f4dee40b3",
"name": "When chat message received",
"type": "@n8n\/n8n-nodes-langchain.chatTrigger",
"position": [
-40,
20
],
"webhookId": "34a31e43-46b8-4c4b-a47e-ef5ad6e66af0",
"parameters": {
"options": []
},
"typeVersion": 1.100000000000000088817841970012523233890533447265625
},
{
"id": "6170523b-ac2d-4541-9186-0f2932829a36",
"name": "Custom tool to call the wf below1",
"type": "@n8n\/n8n-nodes-langchain.toolWorkflow",
"position": [
480,
220
],
"parameters": {
"name": "hn_tool",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $workflow.id }}"
},
"description": "Returns a list of the most popular posts ever on Hacker News, in json format",
"workflowInputs": {
"value": [],
"schema": [],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
}
},
"typeVersion": 2
},
{
"id": "3f40434e-4055-4d8f-be26-051da2911aa1",
"name": "When Executed by Another Workflow",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"position": [
-120,
640
],
"parameters": {
"inputSource": "passthrough"
},
"typeVersion": 1.100000000000000088817841970012523233890533447265625
},
{
"id": "4a6cf195-6862-4007-b791-d021583a771e",
"name": "Hacker News",
"type": "n8n-nodes-base.hackerNews",
"position": [
120,
640
],
"parameters": {
"limit": 50,
"resource": "all",
"additionalFields": []
},
"typeVersion": 1
},
{
"id": "03095e43-0d6e-47c0-8936-dceb2fb0dfb1",
"name": "Clean up data",
"type": "n8n-nodes-base.set",
"position": [
340,
640
],
"parameters": {
"options": [],
"assignments": {
"assignments": [
{
"id": "171d5a66-fc72-42ab-9f6c-0c137f6b3415",
"name": "title",
"type": "string",
"value": "={{ $json._highlightResult.title.value }}"
},
{
"id": "e6662f7e-8e44-43d6-8e8b-6162bfec34bc",
"name": "points",
"type": "string",
"value": "={{ $json.points }}"
},
{
"id": "7415a9f0-7cd4-4bad-bbcf-1903520af155",
"name": "url",
"type": "string",
"value": "={{ $json.url }}"
},
{
"id": "8b0c67a6-89b0-40de-85f2-b80c9298d81f",
"name": "created_at",
"type": "string",
"value": "={{ $json.created_at }}"
},
{
"id": "b7847fbb-4428-4a5b-980e-08e6069b0ac4",
"name": "author",
"type": "string",
"value": "={{ $json.author }}"
}
]
}
},
"typeVersion": 3.399999999999999911182158029987476766109466552734375
},
{
"id": "50ee96c0-36d6-4774-b5cf-b653f5b56868",
"name": "Stringify",
"type": "n8n-nodes-base.code",
"position": [
560,
640
],
"parameters": {
"jsCode": "return {\n 'response': JSON.stringify($input.all().map(x => x.json))\n}"
},
"typeVersion": 2
},
{
"id": "ba221fc3-5249-4295-b64e-2c7370c6dad4",
"name": "AI Agent",
"type": "@n8n\/n8n-nodes-langchain.agent",
"position": [
260,
20
],
"parameters": {
"options": []
},
"typeVersion": 1.8000000000000000444089209850062616169452667236328125
},
{
"id": "e8c45847-cc26-47b3-898c-8063b9c4b3a9",
"name": "OpenAI Chat Model",
"type": "@n8n\/n8n-nodes-langchain.lmChatOpenAi",
"position": [
220,
200
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": []
},
"credentials": {
"openAiApi": {
"id": "8gccIjcuf3gvaoEr",
"name": "OpenAi account"
}
},
"typeVersion": 1.1999999999999999555910790149937383830547332763671875
}
],
"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
}
]
]
},
"When chat message received": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Custom tool to call the wf below1": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"When Executed by Another Workflow": {
"main": [
[
{
"node": "Hacker News",
"type": "main",
"index": 0
}
]
]
}
}
}
