n8n-workflows/workflows/SCUbdpVPX4USbQmr_youtube_chapter_generator.json

{
  "id": "SCUbdpVPX4USbQmr",
  "meta": {
    "instanceId": "7c617982c5622c49e1ea217f3ee01da25b7fb42fb9e969ce6e4e1b6c269ad0e5",
    "templateCredsSetupCompleted": true
  },
  "name": "youtube chapter generator",
  "tags": [
    {
      "id": "637Ga13eORejFbTG",
      "name": "youtube",
      "createdAt": "2025-04-06T16:41:11.086Z",
      "updatedAt": "2025-04-06T16:41:11.086Z"
    },
    {
      "id": "tfcUyZ2pGsRZFcje",
      "name": "chapters",
      "createdAt": "2025-04-06T16:41:28.633Z",
      "updatedAt": "2025-04-06T16:41:28.633Z"
    }
  ],
  "nodes": [
    {
      "id": "104fa4ce-cd86-4fff-b31c-0ef37fba6d93",
      "name": "When clicking ‘Test workflow’",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -800,
        -120
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "c3b45480-3098-40f9-a77f-ada54481b590",
      "name": "Get Caption ID",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -200,
        -120
      ],
      "parameters": {
        "url": "=https://www.googleapis.com/youtube/v3/captions?part=snippet&videoId={{ $json.id }}",
        "options": {},
        "authentication": "predefinedCredentialType",
        "nodeCredentialType": "youTubeOAuth2Api"
      },
      "credentials": {
        "youTubeOAuth2Api": {
          "id": "1TkjUqPfFCQ6NzL7",
          "name": "YouTube account"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "fe08adc4-e6ef-47ae-a946-1e6d5a85e10e",
      "name": "Get Captions",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        20,
        -120
      ],
      "parameters": {
        "url": "=https://www.googleapis.com/youtube/v3/captions/{{ $json.items[0].id }}?tfmt=srt",
        "options": {},
        "authentication": "predefinedCredentialType",
        "nodeCredentialType": "youTubeOAuth2Api"
      },
      "credentials": {
        "youTubeOAuth2Api": {
          "id": "1TkjUqPfFCQ6NzL7",
          "name": "YouTube account"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "0e15f334-9ff8-4a7e-85a9-4cf8cf10ea55",
      "name": "Extract Captions",
      "type": "n8n-nodes-base.extractFromFile",
      "position": [
        240,
        -120
      ],
      "parameters": {
        "options": {},
        "operation": "text"
      },
      "typeVersion": 1
    },
    {
      "id": "af99a919-7ebc-4a6c-80be-83e2ffa68d05",
      "name": "Structured Captions",
      "type": "@n8n/n8n-nodes-langchain.outputParserStructured",
      "position": [
        640,
        100
      ],
      "parameters": {
        "jsonSchemaExample": "{\n\t\"description\": \"California\"\n\t\n}"
      },
      "typeVersion": 1.2
    },
    {
      "id": "414a41a2-0715-4a57-a606-9f3678b2472a",
      "name": "Get Video Meta Data",
      "type": "n8n-nodes-base.youTube",
      "position": [
        -420,
        -120
      ],
      "parameters": {
        "options": {},
        "videoId": "={{ $json.video_id }}",
        "resource": "video",
        "operation": "get"
      },
      "credentials": {
        "youTubeOAuth2Api": {
          "id": "1TkjUqPfFCQ6NzL7",
          "name": "YouTube account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "7304d9b1-5956-41c3-b78a-2c409d0aa726",
      "name": "Google Gemini Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
      "position": [
        460,
        100
      ],
      "parameters": {
        "options": {},
        "modelName": "models/gemini-1.5-flash-8b-exp-0924"
      },
      "credentials": {
        "googlePalmApi": {
          "id": "FshILEOmCAPVoGfW",
          "name": "Google Gemini(PaLM) Api account 2"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "867a6ad6-0712-4fbf-97fd-ab054b783172",
      "name": "Set Video ID",
      "type": "n8n-nodes-base.set",
      "position": [
        -640,
        -120
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "568762f7-e496-4550-8567-d49e2ce1676d",
              "name": "video_id",
              "type": "string",
              "value": "r1wqsrW2vmE"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "dcd0c9d7-1a69-45e8-98e9-b7cf7d12734e",
      "name": "Update Chapters",
      "type": "n8n-nodes-base.youTube",
      "position": [
        940,
        -120
      ],
      "parameters": {
        "title": "={{ $('Get Video Meta Data').item.json.snippet.title }}",
        "videoId": "={{ $('Get Captions').item.json.items[0].snippet.videoId }}",
        "resource": "video",
        "operation": "update",
        "categoryId": "22",
        "regionCode": "US",
        "updateFields": {
          "description": "={{ $json.output.description }}\nChapters\n{{ $json.output.description }}"
        }
      },
      "credentials": {
        "youTubeOAuth2Api": {
          "id": "1TkjUqPfFCQ6NzL7",
          "name": "YouTube account"
        }
      },
      "typeVersion": 1,
      "alwaysOutputData": true
    },
    {
      "id": "916629c4-6e49-4432-88e8-626748cb3d24",
      "name": "Tag Chapters in Description",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
        460,
        -120
      ],
      "parameters": {
        "text": "=This is an srt format data. please classify this data into chapters\nbased upon this transcript \n{{ $json.data }}\n{\n\"description\":\"00:00 Introduction\n02:15 Topic One\n05:30 Topic Two\n10:45 Conclusion\"\n}\n",
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 1.6
    },
    {
      "id": "b0f56d68-b787-4ccc-8bb5-bdb5b04c3ae4",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -680,
        -200
      ],
      "parameters": {
        "width": 1040,
        "height": 440,
        "content": "\n## Get Captions"
      },
      "typeVersion": 1
    },
    {
      "id": "0bcee6b5-0e8b-4f85-8f83-c829e785467a",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        378,
        -200
      ],
      "parameters": {
        "color": 4,
        "width": 420,
        "height": 440,
        "content": "## Generate Chapters\n"
      },
      "typeVersion": 1
    },
    {
      "id": "0f90f6ec-2154-4945-b262-6531fef2334f",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        820,
        -200
      ],
      "parameters": {
        "color": 6,
        "width": 440,
        "height": 440,
        "content": "## Update Description\n"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "27125160-7c64-4431-b243-832c1ae29d29",
  "connections": {
    "Get Captions": {
      "main": [
        [
          {
            "node": "Extract Captions",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Video ID": {
      "main": [
        [
          {
            "node": "Get Video Meta Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Caption ID": {
      "main": [
        [
          {
            "node": "Get Captions",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Captions": {
      "main": [
        [
          {
            "node": "Tag Chapters in Description",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Video Meta Data": {
      "main": [
        [
          {
            "node": "Get Caption ID",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Structured Captions": {
      "ai_outputParser": [
        [
          {
            "node": "Tag Chapters in Description",
            "type": "ai_outputParser",
            "index": 0
          }
        ]
      ]
    },
    "Google Gemini Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Tag Chapters in Description",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Tag Chapters in Description": {
      "main": [
        [
          {
            "node": "Update Chapters",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking ‘Test workflow’": {
      "main": [
        [
          {
            "node": "Set Video ID",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}