Google Drive Knowledge Base Sync

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": "Google Drive Knowledge Sync",
  "nodes": [
    {
      "parameters": {
        "pollTimes": {
          "item": [
            {
              "mode": "everyMinute"
            }
          ]
        },
        "triggerOn": "specificFolder",
        "folderToWatch": {
          "__rl": true,
          "value": "{{ $vars.google_drive_knowledge_folder_id }}",
          "mode": "list",
          "cachedResultName": "Knowledge Base",
          "cachedResultUrl": "https://drive.google.com/drive/folders/{{ $vars.google_drive_knowledge_folder_id }}"
        },
        "event": "fileCreated",
        "options": {}
      },
      "id": "google-drive-file-created",
      "name": "Google Drive File Created",
      "type": "n8n-nodes-base.googleDriveTrigger",
      "typeVersion": 1,
      "position": [
        200,
        300
      ],
      "credentials": {
        "googleDriveOAuth2Api": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "pollTimes": {
          "item": [
            {
              "mode": "everyMinute"
            }
          ]
        },
        "triggerOn": "specificFolder",
        "folderToWatch": {
          "__rl": true,
          "value": "{{ $vars.google_drive_knowledge_folder_id }}",
          "mode": "list",
          "cachedResultName": "Knowledge Base",
          "cachedResultUrl": "https://drive.google.com/drive/folders/{{ $vars.google_drive_knowledge_folder_id }}"
        },
        "event": "fileUpdated",
        "options": {}
      },
      "id": "google-drive-file-updated",
      "name": "Google Drive File Updated",
      "type": "n8n-nodes-base.googleDriveTrigger",
      "typeVersion": 1,
      "position": [
        200,
        500
      ],
      "credentials": {
        "googleDriveOAuth2Api": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "extract-file-info",
              "name": "fileInfo",
              "value": "={{ { id: $json.id, name: $json.name, mimeType: $json.mimeType, modifiedTime: $json.modifiedTime, createdTime: $json.createdTime, size: $json.size, webViewLink: $json.webViewLink, parents: $json.parents } }}",
              "type": "object"
            },
            {
              "id": "document-id-gdrive",
              "name": "document_id",
              "value": "={{ 'google_drive_' + $json.id }}",
              "type": "string"
            },
            {
              "id": "is-supported-type",
              "name": "isSupportedType",
              "value": "={{ ['application/vnd.google-apps.document', 'application/vnd.google-apps.presentation', 'application/vnd.google-apps.spreadsheet', 'application/pdf', 'text/plain', 'text/markdown', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document'].includes($json.mimeType) }}",
              "type": "boolean"
            }
          ]
        },
        "options": {}
      },
      "id": "process-google-drive-file",
      "name": "Process Google Drive File",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        450,
        400
      ]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "id": "supported-file-type",
              "leftValue": "={{ $json.isSupportedType }}",
              "rightValue": true,
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "check-supported-file-type",
      "name": "Check Supported File Type",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        700,
        400
      ]
    },
    {
      "parameters": {
        "code": {
          "execute": {
            "code": "const { QdrantVectorStore } = require(\"@langchain/qdrant\");\nconst { OllamaEmbeddings } = require(\"@langchain/community/embeddings/ollama\");\n\nconst embeddings = new OllamaEmbeddings({\n  model: \"nomic-embed-text\",\n  baseUrl: \"http://ollama:11434\"\n});\n\nconst vectorStore = await QdrantVectorStore.fromExistingCollection(\n  embeddings,\n  {\n    url: \"http://qdrant:6333\",\n    collectionName: \"knowledge_base\",\n  }\n);\n\nconst documentIdToDelete = this.getInputData()[0].json.document_id;\n\nconst filter = {\n  must: [\n    {\n      key: \"metadata.document_id\",\n      match: {\n        value: documentIdToDelete,\n      },\n    },\n  ],\n};\n\n// Delete existing vectors for this document\ntry {\n  await vectorStore.client.delete(\"knowledge_base\", {\n    filter\n  });\n  console.log(`Cleared vectors for Google Drive document: ${documentIdToDelete}`);\n} catch (error) {\n  console.log(`No existing vectors found for document: ${documentIdToDelete}`);\n}\n\nreturn [{ json: { document_id: documentIdToDelete, status: \"cleared\" } }];"
          }
        },
        "inputs": {
          "input": [
            {
              "type": "main",
              "required": true
            }
          ]
        },
        "outputs": {
          "output": [
            {
              "type": "main"
            }
          ]
        }
      },
      "id": "clear-existing-google-drive-vectors",
      "name": "Clear Existing Google Drive Vectors",
      "type": "@n8n/n8n-nodes-langchain.code",
      "typeVersion": 1,
      "position": [
        950,
        300
      ]
    },
    {
      "parameters": {
        "operation": "download",
        "fileId": {
          "__rl": true,
          "value": "={{ $('Process Google Drive File').item.json.fileInfo.id }}",
          "mode": "id"
        },
        "options": {
          "googleFileConversion": {
            "conversion": {
              "docsToFormat": "text/plain",
              "sheetsToFormat": "text/csv",
              "slidesToFormat": "text/plain"
            }
          }
        }
      },
      "id": "download-google-drive-file",
      "name": "Download Google Drive File",
      "type": "n8n-nodes-base.googleDrive",
      "typeVersion": 3,
      "position": [
        950,
        500
      ],
      "executeOnce": true,
      "credentials": {
        "googleDriveOAuth2Api": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "text",
        "options": {}
      },
      "id": "extract-google-drive-text",
      "name": "Extract Google Drive Text",
      "type": "n8n-nodes-base.extractFromFile",
      "typeVersion": 1,
      "position": [
        1200,
        500
      ],
      "alwaysOutputData": true
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "enhanced-content",
              "name": "enhancedContent",
              "value": "={{ $('Process Google Drive File').item.json.fileInfo.name + '\\n\\n' + ($json.data || 'No content extracted') + '\\n\\nFile Details:\\n' + 'Type: ' + $('Process Google Drive File').item.json.fileInfo.mimeType + '\\n' + 'Created: ' + $('Process Google Drive File').item.json.fileInfo.createdTime + '\\n' + 'Modified: ' + $('Process Google Drive File').item.json.fileInfo.modifiedTime + '\\n' + 'Size: ' + ($('Process Google Drive File').item.json.fileInfo.size || 'Unknown') + ' bytes' }}",
              "type": "string"
            },
            {
              "id": "enhanced-metadata",
              "name": "enhancedMetadata",
              "value": "={{ { source: 'google_drive', type: 'file', document_id: $('Process Google Drive File').item.json.document_id, file_id: $('Process Google Drive File').item.json.fileInfo.id, file_name: $('Process Google Drive File').item.json.fileInfo.name, mime_type: $('Process Google Drive File').item.json.fileInfo.mimeType, created_time: $('Process Google Drive File').item.json.fileInfo.createdTime, modified_time: $('Process Google Drive File').item.json.fileInfo.modifiedTime, file_size: $('Process Google Drive File').item.json.fileInfo.size, web_view_link: $('Process Google Drive File').item.json.fileInfo.webViewLink, folder_ids: $('Process Google Drive File').item.json.fileInfo.parents, extraction_timestamp: $now } }}",
              "type": "object"
            }
          ]
        },
        "options": {}
      },
      "id": "enhance-google-drive-content",
      "name": "Enhance Google Drive Content",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        1450,
        400
      ]
    },
    {
      "parameters": {
        "chunkSize": 800,
        "chunkOverlap": 100,
        "options": {}
      },
      "id": "google-drive-text-splitter",
      "name": "Google Drive Text Splitter",
      "type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
      "typeVersion": 1,
      "position": [
        1700,
        600
      ]
    },
    {
      "parameters": {
        "options": {
          "metadata": {
            "metadataValues": [
              {
                "name": "source",
                "value": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata.source }}"
              },
              {
                "name": "type",
                "value": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata.type }}"
              },
              {
                "name": "document_id",
                "value": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata.document_id }}"
              },
              {
                "name": "file_id",
                "value": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata.file_id }}"
              },
              {
                "name": "file_name",
                "value": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata.file_name }}"
              },
              {
                "name": "mime_type",
                "value": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata.mime_type }}"
              },
              {
                "name": "modified_time",
                "value": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata.modified_time }}"
              },
              {
                "name": "web_view_link",
                "value": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata.web_view_link }}"
              }
            ]
          }
        }
      },
      "id": "google-drive-document-loader",
      "name": "Google Drive Document Loader",
      "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
      "typeVersion": 1,
      "position": [
        1700,
        400
      ]
    },
    {
      "parameters": {
        "model": "nomic-embed-text:latest"
      },
      "id": "google-drive-embeddings",
      "name": "Google Drive Embeddings",
      "type": "@n8n/n8n-nodes-langchain.embeddingsOllama",
      "typeVersion": 1,
      "position": [
        1950,
        400
      ],
      "credentials": {
        "ollamaApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "mode": "insert",
        "qdrantCollection": {
          "__rl": true,
          "value": "knowledge_base",
          "mode": "list",
          "cachedResultName": "knowledge_base"
        },
        "options": {}
      },
      "id": "google-drive-qdrant-insert",
      "name": "Google Drive Qdrant Insert",
      "type": "@n8n/n8n-nodes-langchain.vectorStoreQdrant",
      "typeVersion": 1,
      "position": [
        2200,
        400
      ],
      "credentials": {
        "qdrantApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "upsert",
        "table": {
          "__rl": true,
          "value": "knowledge_sync_log",
          "mode": "list"
        },
        "data": {
          "insert": [
            {
              "column": "document_id",
              "value": "={{ $('Process Google Drive File').item.json.document_id }}"
            },
            {
              "column": "source_system",
              "value": "google_drive"
            },
            {
              "column": "source_id",
              "value": "={{ $('Process Google Drive File').item.json.fileInfo.id }}"
            },
            {
              "column": "content_hash",
              "value": "={{ $crypto.createHash('md5').update($('Enhance Google Drive Content').item.json.enhancedContent).digest('hex') }}"
            },
            {
              "column": "metadata",
              "value": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata }}"
            },
            {
              "column": "sync_timestamp",
              "value": "={{ $now }}"
            },
            {
              "column": "status",
              "value": "synced"
            }
          ]
        },
        "options": {}
      },
      "id": "log-google-drive-sync",
      "name": "Log Google Drive Sync",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 2.5,
      "position": [
        2450,
        400
      ],
      "credentials": {
        "postgres": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "id": "enable-cross-sync",
              "leftValue": "={{ $vars.enable_google_drive_cross_sync || false }}",
              "rightValue": true,
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "check-cross-sync-enabled",
      "name": "Check Cross-Sync Enabled",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        2700,
        400
      ]
    },
    {
      "parameters": {
        "url": "https://n8n.{{ $vars.domain_name }}/webhook/trigger-knowledge-sync",
        "options": {
          "timeout": 60000
        },
        "sendBody": true,
        "contentType": "json",
        "body": {
          "source": "google_drive",
          "documentId": "={{ $('Process Google Drive File').item.json.document_id }}",
          "updateType": "file_sync",
          "triggerBidirectional": true,
          "metadata": "={{ $('Enhance Google Drive Content').item.json.enhancedMetadata }}"
        }
      },
      "id": "trigger-cross-platform-sync",
      "name": "Trigger Cross-Platform Sync",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        2950,
        300
      ]
    },
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "google-drive-webhook-sync",
        "responseMode": "responseNode",
        "options": {}
      },
      "id": "google-drive-webhook",
      "name": "Google Drive Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [
        200,
        700
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "webhook-file-id",
              "name": "fileId",
              "value": "={{ $json.body.fileId || $json.body.file_id }}",
              "type": "string"
            },
            {
              "id": "webhook-action",
              "name": "action",
              "value": "={{ $json.body.action || 'sync' }}",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "id": "process-webhook-request",
      "name": "Process Webhook Request",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        450,
        700
      ]
    },
    {
      "parameters": {
        "operation": "get",
        "fileId": {
          "__rl": true,
          "value": "={{ $json.fileId }}",
          "mode": "id"
        },
        "options": {}
      },
      "id": "get-webhook-file-details",
      "name": "Get Webhook File Details",
      "type": "n8n-nodes-base.googleDrive",
      "typeVersion": 3,
      "position": [
        700,
        700
      ],
      "credentials": {
        "googleDriveOAuth2Api": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "options": {}
      },
      "id": "respond-to-google-drive-webhook",
      "name": "Respond to Google Drive Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        950,
        700
      ]
    },
    {
      "parameters": {
        "content": "## Enhanced Google Drive Knowledge Sync\n\n**Purpose:** Comprehensive integration of Google Drive files into the knowledge management ecosystem with automatic content extraction and cross-platform synchronization.\n\n**Supported File Types:**\n- Google Docs (converted to plain text)\n- Google Sheets (converted to CSV)\n- Google Slides (converted to plain text)\n- PDF files\n- Plain text files\n- Markdown files\n- Word documents (.docx)\n\n**Key Features:**\n- **Automatic Detection**: Monitors specified Google Drive folders for new/updated files\n- **Content Extraction**: Intelligent text extraction based on file type\n- **Vector Indexing**: Automatic embedding generation and storage in Qdrant\n- **Metadata Enrichment**: Comprehensive file metadata and linking information\n- **Cross-Platform Sync**: Optional bidirectional sync with AppFlowy/Affine\n- **Webhook Support**: Manual trigger capability for specific files\n- **Duplicate Handling**: Automatic cleanup of existing vectors before re-indexing\n\n**Workflow Triggers:**\n1. **File Created**: New files added to monitored folders\n2. **File Updated**: Existing files modified in monitored folders\n3. **Webhook**: Manual sync trigger for specific files\n\n**Configuration:**\n- Set `google_drive_knowledge_folder_id` variable for folder monitoring\n- Enable `enable_google_drive_cross_sync` for bidirectional platform sync\n- Configure supported MIME types as needed\n\n**Integration Points:**\n- Vector Database (Qdrant) for semantic search\n- Knowledge Sync Log for tracking and analytics\n- Cross-Platform Sync for content distribution\n- Enhanced RAG Agent for intelligent querying\n\n**API Webhooks:**\n- POST /webhook/google-drive-webhook-sync\n- Parameters: fileId, action",
        "height": 800,
        "width": 800,
        "color": 3
      },
      "id": "google-drive-sync-documentation",
      "name": "Google Drive Sync Documentation",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        3200,
        100
      ]
    }
  ],
  "connections": {
    "Google Drive File Created": {
      "main": [
        [
          {
            "node": "Process Google Drive File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Google Drive File Updated": {
      "main": [
        [
          {
            "node": "Process Google Drive File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Process Google Drive File": {
      "main": [
        [
          {
            "node": "Check Supported File Type",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Supported File Type": {
      "main": [
        [
          {
            "node": "Clear Existing Google Drive Vectors",
            "type": "main",
            "index": 0
          },
          {
            "node": "Download Google Drive File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Clear Existing Google Drive Vectors": {
      "main": [
        [
          {
            "node": "Enhance Google Drive Content",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Download Google Drive File": {
      "main": [
        [
          {
            "node": "Extract Google Drive Text",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Google Drive Text": {
      "main": [
        [
          {
            "node": "Enhance Google Drive Content",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Enhance Google Drive Content": {
      "main": [
        [
          {
            "node": "Google Drive Document Loader",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Google Drive Text Splitter": {
      "ai_textSplitter": [
        [
          {
            "node": "Google Drive Document Loader",
            "type": "ai_textSplitter",
            "index": 0
          }
        ]
      ]
    },
    "Google Drive Document Loader": {
      "ai_document": [
        [
          {
            "node": "Google Drive Qdrant Insert",
            "type": "ai_document",
            "index": 0
          }
        ]
      ]
    },
    "Google Drive Embeddings": {
      "ai_embedding": [
        [
          {
            "node": "Google Drive Qdrant Insert",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "Google Drive Qdrant Insert": {
      "main": [
        [
          {
            "node": "Log Google Drive Sync",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Log Google Drive Sync": {
      "main": [
        [
          {
            "node": "Check Cross-Sync Enabled",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Cross-Sync Enabled": {
      "main": [
        [
          {
            "node": "Trigger Cross-Platform Sync",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Google Drive Webhook": {
      "main": [
        [
          {
            "node": "Process Webhook Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Process Webhook Request": {
      "main": [
        [
          {
            "node": "Get Webhook File Details",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Webhook File Details": {
      "main": [
        [
          {
            "node": "Respond to Google Drive Webhook",
            "type": "main",
            "index": 0
          },
          {
            "node": "Process Google Drive File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": true,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "google-drive-sync-v1",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "id": "GoogleDriveKnowledgeSync",
  "tags": [
    "google-drive",
    "knowledge-management",
    "sync",
    "vector-store",
    "content-extraction"
  ]
}

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.

• googleDriveOAuth2Api
• ollamaApi
• postgres
• qdrantApi

About this workflow

Google Drive Knowledge Sync. Uses googleDriveTrigger, googleDrive, textSplitterRecursiveCharacterTextSplitter, documentDefaultDataLoader. Event-driven trigger; 20 nodes.

Source: https://github.com/161sam/n8n-installer/blob/main/modularium/ai-workspace/Google-Drive-Sync.json — original creator credit. Request a take-down →

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