AutomationFlowsAI & RAG › Generate Knowledge Base Articles with GPT & Perplexity

Generate Knowledge Base Articles with GPT & Perplexity

Original n8n title: Generate Knowledge Base Articles with Gpt & Perplexity AI for Contentful CMS

ByVarritech @varritech on n8n.io

This workflow was created by Varritech Technologies, an innovative agency that leverages AI to engineer, design, and deliver software development projects 500% faster than traditional agencies. Based in New York City, we specialize in custom software development, web…

Chat trigger trigger★★★★☆ complexityAI-powered25 nodesHTTP RequestAgentOpenAI ChatTool WorkflowChat Trigger
AI & RAG Trigger: Chat trigger Nodes: 25 Complexity: ★★★★☆ AI nodes: yes Added:

This workflow corresponds to n8n.io template #4012 — we link there as the canonical source.

This workflow follows the Agent → Chat 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 →

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{
  "id": "WwEFqNK4YP6UJcg2",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "Auto Knowledge Base Article Generator",
  "tags": [],
  "nodes": [
    {
      "id": "17900021-8da3-4bd9-9d79-5d20d879ddc7",
      "name": "Create Perplexity Content",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1220,
        380
      ],
      "parameters": {},
      "typeVersion": 4.2
    },
    {
      "id": "0cb3f3a7-92bd-4ff3-8a89-b6fc29513e65",
      "name": "AI Writer Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        720,
        380
      ],
      "parameters": {},
      "typeVersion": 1.7
    },
    {
      "id": "bc62facb-c5cb-465d-89b1-a65a893c3ce1",
      "name": "AI Editor Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        2280,
        380
      ],
      "parameters": {},
      "retryOnFail": true,
      "typeVersion": 1.7
    },
    {
      "id": "8c08d67a-b916-4cfd-89cd-16b34250bcb2",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        680,
        640
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "97bb1374-f502-4152-a5a3-bc5d46a18171",
      "name": "OpenAI Chat Model1",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        2200,
        660
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "1c422e76-5b1a-4615-b379-ab39d4bd13b4",
      "name": "Accept and Publish",
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "position": [
        2420,
        660
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "b6807e84-900a-48fc-a869-862824c62ba1",
      "name": "When chat message received",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        -60,
        660
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "e3021ac4-9444-4689-af0c-a4bbd4729c35",
      "name": "JSON.parse1",
      "type": "n8n-nodes-base.code",
      "position": [
        1320,
        120
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "d6a5eccd-c8e3-4ee0-beb0-7b8fc8428b91",
      "name": "Merge",
      "type": "n8n-nodes-base.merge",
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        380
      ],
      "parameters": {},
      "typeVersion": 3
    },
    {
      "id": "8461a1a0-a984-4ec1-bc93-3a1a312caf55",
      "name": "Format",
      "type": "n8n-nodes-base.code",
      "position": [
        2060,
        380
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "9b9a82fb-990c-4be0-aee9-ed80f0631c28",
      "name": "JSON.parse",
      "type": "n8n-nodes-base.code",
      "position": [
        3300,
        840
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "066dfd10-e97a-44a8-89e0-5b2b5c4a6244",
      "name": "Format Perplexity Output & Add Citations",
      "type": "n8n-nodes-base.code",
      "position": [
        1480,
        380
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "fc9d9e93-568a-41af-a295-8736617b157e",
      "name": "Initialize Count",
      "type": "n8n-nodes-base.set",
      "position": [
        340,
        660
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "b0e636dd-f572-4ee2-832f-4bb4167b011b",
      "name": "Increment Count",
      "type": "n8n-nodes-base.function",
      "position": [
        1400,
        740
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "86689f0e-9607-4eda-bcd6-36241d0cbe63",
      "name": "Check Limit",
      "type": "n8n-nodes-base.if",
      "position": [
        2660,
        380
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "0f42b0f3-0b96-40df-9c06-2a6d31e142d9",
      "name": "Stop Here",
      "type": "n8n-nodes-base.noOp",
      "position": [
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        300
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "1e61b3ba-e9bd-43c7-8217-d4a22f707318",
      "name": "Execute Workflow",
      "type": "n8n-nodes-base.executeWorkflow",
      "position": [
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        320
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "04526224-e48c-4032-9c92-475c6bf9cd0a",
      "name": "JSON.parse3",
      "type": "n8n-nodes-base.code",
      "position": [
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        300
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "0303ab91-b788-4074-a15d-239565528dec",
      "name": "should submit",
      "type": "n8n-nodes-base.if",
      "position": [
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      ],
      "parameters": {},
      "typeVersion": 2.2
    },
    {
      "id": "4f68e1ad-0b7c-41ca-a9cc-d220017cc1bd",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        540,
        80
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "f5e9968a-0681-4b72-9bb3-98750f55565e",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      ],
      "parameters": {
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      "typeVersion": 1
    },
    {
      "id": "462e6c9a-162a-4f66-b846-14b29517454c",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "27149a0a-ab95-4f73-a20c-34167ac56d2a",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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        60
      ],
      "parameters": {
        "content": ""
      },
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    {
      "id": "3b6386cc-7965-47ae-88e3-8841ada43579",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      "parameters": {
        "content": ""
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      "typeVersion": 1
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    {
      "id": "376c9b0d-8ef6-4681-900d-745d4353cc83",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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        580
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    }
  ],
  "active": true,
  "settings": {
    "callerPolicy": "workflowsFromSameOwner",
    "errorWorkflow": "AKus9UvKRJfvTZBA",
    "executionOrder": "v1",
    "executionTimeout": 1800
  },
  "versionId": "b4259335-d41f-4671-b103-5b4e9609089b",
  "connections": {
    "Merge": {
      "main": [
        [
          {
            "node": "Format",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format": {
      "main": [
        [
          {
            "node": "AI Editor Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Stop Here": {
      "main": [
        [
          {
            "node": "JSON.parse3",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "JSON.parse": {
      "main": [
        [
          {
            "node": "AI Writer Agent",
            "type": "main",
            "index": 0
          },
          {
            "node": "Increment Count",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Limit": {
      "main": [
        [
          {
            "node": "Stop Here",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "should submit",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "JSON.parse1": {
      "main": [
        [
          {
            "node": "Merge",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "JSON.parse3": {
      "main": [
        [
          {
            "node": "Execute Workflow",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "should submit": {
      "main": [
        [
          {
            "node": "JSON.parse3",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "JSON.parse",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Editor Agent": {
      "main": [
        [
          {
            "node": "Check Limit",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Writer Agent": {
      "main": [
        [
          {
            "node": "Create Perplexity Content",
            "type": "main",
            "index": 0
          },
          {
            "node": "JSON.parse1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Increment Count": {
      "main": [
        [
          {
            "node": "Merge",
            "type": "main",
            "index": 2
          }
        ]
      ]
    },
    "Initialize Count": {
      "main": [
        [
          {
            "node": "AI Writer Agent",
            "type": "main",
            "index": 0
          },
          {
            "node": "Increment Count",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Writer Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Accept and Publish": {
      "ai_tool": [
        [
          {
            "node": "AI Editor Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model1": {
      "ai_languageModel": [
        [
          {
            "node": "AI Editor Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Create Perplexity Content": {
      "main": [
        [
          {
            "node": "Format Perplexity Output & Add Citations",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "Initialize Count",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format Perplexity Output & Add Citations": {
      "main": [
        [
          {
            "node": "Merge",
            "type": "main",
            "index": 1
          }
        ]
      ]
    }
  }
}
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About this workflow

This workflow was created by Varritech Technologies, an innovative agency that leverages AI to engineer, design, and deliver software development projects 500% faster than traditional agencies. Based in New York City, we specialize in custom software development, web…

Source: https://n8n.io/workflows/4012/ — original creator credit. Request a take-down →

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