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": "Summarize Slack Conversation",
"nodes": [
{
"parameters": {
"authentication": "oAuth2",
"resource": "channel",
"operation": "history",
"channelId": {
"__rl": true,
"value": "C083QQBQTAM",
"mode": "list",
"cachedResultName": "flowise-n8n"
},
"limit": 10,
"filters": {}
},
"id": "d572a7b3-311e-4864-a604-11d679ecc855",
"name": "Slack",
"type": "n8n-nodes-base.slack",
"typeVersion": 2.2,
"position": [
1040,
360
],
"credentials": {
"slackOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"options": {}
},
"id": "c30ce367-cb19-4ef9-b8e7-0e03982960f6",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
1840,
360
]
},
{
"parameters": {
"fieldsToAggregate": {
"fieldToAggregate": [
{
"fieldToAggregate": "text"
}
]
},
"options": {}
},
"id": "fdb91643-0f0f-4ad5-b333-2294029f0ae7",
"name": "Aggregate",
"type": "n8n-nodes-base.aggregate",
"typeVersion": 1,
"position": [
1260,
360
]
},
{
"parameters": {
"model": "gpt-4o-mini",
"options": {}
},
"id": "bf2c887e-bb34-44fc-89ea-fad409db0317",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1,
"position": [
1480,
580
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "=Summarize the following conversation, outputting just the summary and nothing else - no preabmle or explanation. \n\nKeep in mind the latest message is the first in the list: \n\n{{ $json.text }}"
},
"id": "90984360-3628-494d-a077-08ec69fd88e5",
"name": "Basic LLM Chain",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"typeVersion": 1.4,
"position": [
1480,
360
]
},
{
"parameters": {
"path": "66a5755c-5030-4a6b-9b5e-2e09a21456d6",
"authentication": "headerAuth",
"responseMode": "responseNode",
"options": {}
},
"id": "930860ba-d339-4668-a13c-4e2277308161",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
820,
360
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Slack": {
"main": [
[
{
"node": "Aggregate",
"type": "main",
"index": 0
}
]
]
},
"Aggregate": {
"main": [
[
{
"node": "Basic LLM Chain",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Basic LLM Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Basic LLM Chain": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Webhook": {
"main": [
[
{
"node": "Slack",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "039f8fd7-6a15-4070-81ae-1f2851183c86",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "vchuPxsgQU32o0v1",
"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.
httpHeaderAuthopenAiApislackOAuth2Api
About this workflow
Summarize Slack Conversation. Uses slack, respondToWebhook, lmChatOpenAi, chainLlm. Webhook trigger; 6 nodes.
Source: https://github.com/daboi2331/ai-agents-masterclass/blob/main/local-ai-packaged/n8n-tool-workflows/Summarize_Slack_Conversation.json — original creator credit. Request a take-down →