n8n RAG AI Agent with PDFs, Excel documents, and more

n8n-rag-pdfs-excel/Supabase_RAG_AI_Agent_PDFs_Excel.json

@@ -0,0 +1,959 @@
+{
+  "name": "Supabase RAG AI Agent PDFs & More",
+  "nodes": [
+    {
+      "parameters": {
+        "model": "gpt-4o-mini",
+        "options": {}
+      },
+      "id": "d2ee476f-009d-462e-b5ef-4014b1733480",
+      "name": "OpenAI Chat Model",
+      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
+      "typeVersion": 1,
+      "position": [
+        860,
+        520
+      ],
+      "credentials": {
+        "openAiApi": {
+          "id": "JJjD91oisPv9cs01",
+          "name": "OpenAi account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "model": "gpt-4o-mini",
+        "options": {}
+      },
+      "id": "7780fde9-e3ec-4ca3-81e3-9e7e464dcd6f",
+      "name": "OpenAI Chat Model1",
+      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
+      "typeVersion": 1,
+      "position": [
+        1880,
+        460
+      ],
+      "credentials": {
+        "openAiApi": {
+          "id": "JJjD91oisPv9cs01",
+          "name": "OpenAi account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "jsonMode": "expressionData",
+        "jsonData": "={{ $json.data || $json.text || $json.concatenated_data }}",
+        "options": {
+          "metadata": {
+            "metadataValues": [
+              {
+                "name": "=file_id",
+                "value": "={{ $('Set File ID').first().json.file_id }}"
+              }
+            ]
+          }
+        }
+      },
+      "id": "b85b35f8-97f2-40aa-b885-0ab892e54ab0",
+      "name": "Default Data Loader",
+      "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
+      "typeVersion": 1,
+      "position": [
+        2320,
+        1000
+      ]
+    },
+    {
+      "parameters": {
+        "model": "text-embedding-3-small",
+        "options": {}
+      },
+      "id": "f0185de7-b17e-4bb1-ac1e-4c9843804a92",
+      "name": "Embeddings OpenAI1",
+      "type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
+      "typeVersion": 1,
+      "position": [
+        2160,
+        1000
+      ],
+      "credentials": {
+        "openAiApi": {
+          "id": "JJjD91oisPv9cs01",
+          "name": "OpenAi account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "name": "user_documents",
+        "description": "Contains all the user's documents that you can check for context to answer user questions."
+      },
+      "id": "e2f9747b-2706-423a-93e8-6faa4baeb99e",
+      "name": "Retrieve Documents",
+      "type": "@n8n/n8n-nodes-langchain.toolVectorStore",
+      "typeVersion": 1,
+      "position": [
+        1660,
+        280
+      ]
+    },
+    {
+      "parameters": {
+        "content": "## Agent Tools for RAG",
+        "height": 528.85546469693,
+        "width": 583.4552380860637,
+        "color": 4
+      },
+      "id": "660236f6-de85-470a-aa08-76dd5501bbfc",
+      "name": "Sticky Note",
+      "type": "n8n-nodes-base.stickyNote",
+      "typeVersion": 1,
+      "position": [
+        1480,
+        160
+      ]
+    },
+    {
+      "parameters": {
+        "content": "## Tool to Add a Google Drive File to Vector DB",
+        "height": 667.1104380931955,
+        "width": 2352.5048970686776,
+        "color": 5
+      },
+      "id": "cd0908d0-3c70-4ef3-8a37-6b9edef0281a",
+      "name": "Sticky Note1",
+      "type": "n8n-nodes-base.stickyNote",
+      "typeVersion": 1,
+      "position": [
+        260,
+        704.7773461390849
+      ]
+    },
+    {
+      "parameters": {
+        "operation": "download",
+        "fileId": {
+          "__rl": true,
+          "value": "={{ $('Set File ID').item.json.file_id }}",
+          "mode": "id"
+        },
+        "options": {
+          "googleFileConversion": {
+            "conversion": {
+              "docsToFormat": "text/plain"
+            }
+          }
+        }
+      },
+      "id": "f642af26-cbcc-45a0-95ed-1540cac32e6d",
+      "name": "Download File",
+      "type": "n8n-nodes-base.googleDrive",
+      "typeVersion": 3,
+      "position": [
+        1080,
+        960
+      ],
+      "executeOnce": true,
+      "credentials": {
+        "googleDriveOAuth2Api": {
+          "id": "cfNochbuJikPwwl2",
+          "name": "Google Drive account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "pollTimes": {
+          "item": [
+            {
+              "mode": "everyMinute"
+            }
+          ]
+        },
+        "triggerOn": "specificFolder",
+        "folderToWatch": {
+          "__rl": true,
+          "value": "1gFS8iBcRN1vs5a1v7vmal3AHmopPAdWT",
+          "mode": "list",
+          "cachedResultName": "Excel",
+          "cachedResultUrl": "https://drive.google.com/drive/folders/1gFS8iBcRN1vs5a1v7vmal3AHmopPAdWT"
+        },
+        "event": "fileCreated",
+        "options": {}
+      },
+      "id": "bc3b054f-3119-4004-be6e-2ffa45d387f0",
+      "name": "File Created",
+      "type": "n8n-nodes-base.googleDriveTrigger",
+      "typeVersion": 1,
+      "position": [
+        320,
+        860
+      ],
+      "credentials": {
+        "googleDriveOAuth2Api": {
+          "id": "cfNochbuJikPwwl2",
+          "name": "Google Drive account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "pollTimes": {
+          "item": [
+            {
+              "mode": "everyMinute"
+            }
+          ]
+        },
+        "triggerOn": "specificFolder",
+        "folderToWatch": {
+          "__rl": true,
+          "value": "1gFS8iBcRN1vs5a1v7vmal3AHmopPAdWT",
+          "mode": "list",
+          "cachedResultName": "Excel",
+          "cachedResultUrl": "https://drive.google.com/drive/folders/1gFS8iBcRN1vs5a1v7vmal3AHmopPAdWT"
+        },
+        "event": "fileUpdated",
+        "options": {}
+      },
+      "id": "4a88bc45-e162-428c-9cb6-12631edb45c3",
+      "name": "File Updated",
+      "type": "n8n-nodes-base.googleDriveTrigger",
+      "typeVersion": 1,
+      "position": [
+        320,
+        1080
+      ],
+      "credentials": {
+        "googleDriveOAuth2Api": {
+          "id": "cfNochbuJikPwwl2",
+          "name": "Google Drive account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "operation": "text",
+        "options": {}
+      },
+      "id": "06280add-ca88-48c3-b8e8-f2ee18482465",
+      "name": "Extract Document Text",
+      "type": "n8n-nodes-base.extractFromFile",
+      "typeVersion": 1,
+      "position": [
+        1840,
+        1160
+      ],
+      "alwaysOutputData": true
+    },
+    {
+      "parameters": {
+        "model": "text-embedding-3-small",
+        "options": {}
+      },
+      "id": "7328978a-4557-49ec-92d8-5eaf34cb3d88",
+      "name": "Embeddings OpenAI",
+      "type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
+      "typeVersion": 1,
+      "position": [
+        1700,
+        560
+      ],
+      "credentials": {
+        "openAiApi": {
+          "id": "JJjD91oisPv9cs01",
+          "name": "OpenAi account"
+        }
+      }
+    },
+    {
+      "parameters": {},
+      "id": "c549429c-54ff-42ca-8eb6-6e5fe1fdd653",
+      "name": "Postgres Chat Memory",
+      "type": "@n8n/n8n-nodes-langchain.memoryPostgresChat",
+      "typeVersion": 1,
+      "position": [
+        1000,
+        520
+      ],
+      "notesInFlow": false,
+      "credentials": {
+        "postgres": {
+          "id": "tzFFADvpFiUtaZtb",
+          "name": "Supabase Postgres"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "operation": "delete",
+        "tableId": "documents",
+        "filterType": "string",
+        "filterString": "=metadata->>file_id=like.*{{ $json.file_id }}*"
+      },
+      "id": "06701654-213d-4343-a743-2490cb5c1b37",
+      "name": "Delete Old Doc Rows",
+      "type": "n8n-nodes-base.supabase",
+      "typeVersion": 1,
+      "position": [
+        840,
+        960
+      ],
+      "alwaysOutputData": true,
+      "credentials": {
+        "supabaseApi": {
+          "id": "azIAMHxdSaq5XhoW",
+          "name": "Supabase account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "assignments": {
+          "assignments": [
+            {
+              "id": "10646eae-ae46-4327-a4dc-9987c2d76173",
+              "name": "file_id",
+              "value": "={{ $json.id }}",
+              "type": "string"
+            },
+            {
+              "id": "f4536df5-d0b1-4392-bf17-b8137fb31a44",
+              "name": "file_type",
+              "value": "={{ $json.mimeType }}",
+              "type": "string"
+            }
+          ]
+        },
+        "options": {}
+      },
+      "id": "bdbcf6dd-5d0e-44f7-98ad-4569d26b2ddb",
+      "name": "Set File ID",
+      "type": "n8n-nodes-base.set",
+      "typeVersion": 3.4,
+      "position": [
+        600,
+        960
+      ]
+    },
+    {
+      "parameters": {
+        "content": "## RAG AI Agent with Chat Interface",
+        "height": 464.8027193303974,
+        "width": 1035.6381264595484
+      },
+      "id": "eba52e8e-5157-4797-b1af-a54ec641856e",
+      "name": "Sticky Note2",
+      "type": "n8n-nodes-base.stickyNote",
+      "typeVersion": 1,
+      "position": [
+        432.49413148117685,
+        220
+      ]
+    },
+    {
+      "parameters": {
+        "options": {}
+      },
+      "id": "2aa822a1-74f0-4f1a-9257-da18b506f1aa",
+      "name": "Respond to Webhook",
+      "type": "n8n-nodes-base.respondToWebhook",
+      "typeVersion": 1.1,
+      "position": [
+        1300,
+        300
+      ]
+    },
+    {
+      "parameters": {
+        "assignments": {
+          "assignments": [
+            {
+              "id": "9a9a245e-f1a1-4282-bb02-a81ffe629f0f",
+              "name": "chatInput",
+              "value": "={{ $json?.chatInput || $json.body.chatInput }}",
+              "type": "string"
+            },
+            {
+              "id": "b80831d8-c653-4203-8706-adedfdb98f77",
+              "name": "sessionId",
+              "value": "={{ $json?.sessionId || $json.body.sessionId}}",
+              "type": "string"
+            }
+          ]
+        },
+        "options": {}
+      },
+      "id": "45cea7e5-8601-499a-9769-ed085091f155",
+      "name": "Edit Fields",
+      "type": "n8n-nodes-base.set",
+      "typeVersion": 3.4,
+      "position": [
+        740,
+        300
+      ]
+    },
+    {
+      "parameters": {
+        "public": true,
+        "options": {}
+      },
+      "id": "b044a545-8c61-4d32-924a-8c684c0c068e",
+      "name": "When chat message received",
+      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
+      "typeVersion": 1.1,
+      "position": [
+        480,
+        300
+      ],
+      "webhookId": "15e4d662-3f98-48d0-9f50-68838769ecac"
+    },
+    {
+      "parameters": {
+        "httpMethod": "POST",
+        "path": "9ba11544-5c4e-4f91-818a-08a4ecb596c5",
+        "authentication": "headerAuth",
+        "responseMode": "responseNode",
+        "options": {}
+      },
+      "id": "18d03c08-561b-4f59-afe5-0a7b92a61500",
+      "name": "Webhook",
+      "type": "n8n-nodes-base.webhook",
+      "typeVersion": 2,
+      "position": [
+        480,
+        500
+      ],
+      "webhookId": "9ba11544-5c4e-4f91-818a-08a4ecb596c5",
+      "credentials": {
+        "httpHeaderAuth": {
+          "id": "XivCWajQ7dANnQvl",
+          "name": "Header Auth account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "operation": "pdf",
+        "options": {}
+      },
+      "id": "051d287e-50de-417b-947e-be99ccc76e6b",
+      "name": "Extract PDF Text",
+      "type": "n8n-nodes-base.extractFromFile",
+      "typeVersion": 1,
+      "position": [
+        1840,
+        780
+      ]
+    },
+    {
+      "parameters": {
+        "aggregate": "aggregateAllItemData",
+        "options": {}
+      },
+      "id": "4e1600d7-3d75-4e38-8bdb-a90b44bd4285",
+      "name": "Aggregate",
+      "type": "n8n-nodes-base.aggregate",
+      "typeVersion": 1,
+      "position": [
+        1760,
+        960
+      ]
+    },
+    {
+      "parameters": {},
+      "id": "a32ad489-b580-4f35-ae0f-796c3860a422",
+      "name": "Character Text Splitter",
+      "type": "@n8n/n8n-nodes-langchain.textSplitterCharacterTextSplitter",
+      "typeVersion": 1,
+      "position": [
+        2320,
+        1220
+      ]
+    },
+    {
+      "parameters": {
+        "fieldsToSummarize": {
+          "values": [
+            {
+              "aggregation": "concatenate",
+              "field": "data"
+            }
+          ]
+        },
+        "options": {}
+      },
+      "id": "fbf7648e-f0de-48bb-992c-563e67a4a136",
+      "name": "Summarize",
+      "type": "n8n-nodes-base.summarize",
+      "typeVersion": 1,
+      "position": [
+        1920,
+        960
+      ]
+    },
+    {
+      "parameters": {
+        "promptType": "define",
+        "text": "={{ $json.chatInput }}",
+        "options": {
+          "systemMessage": "You are a personal assistant who helps answer questions from a corpus of documents when you don't know the answer yourself."
+        }
+      },
+      "id": "cd044b4b-6834-430c-9101-2525d842b9be",
+      "name": "RAG AI Agent",
+      "type": "@n8n/n8n-nodes-langchain.agent",
+      "typeVersion": 1.6,
+      "position": [
+        960,
+        300
+      ]
+    },
+    {
+      "parameters": {
+        "rules": {
+          "values": [
+            {
+              "conditions": {
+                "options": {
+                  "caseSensitive": true,
+                  "leftValue": "",
+                  "typeValidation": "strict"
+                },
+                "conditions": [
+                  {
+                    "leftValue": "={{ $('Set File ID').item.json.file_type }}",
+                    "rightValue": "application/pdf",
+                    "operator": {
+                      "type": "string",
+                      "operation": "equals"
+                    }
+                  }
+                ],
+                "combinator": "and"
+              }
+            },
+            {
+              "conditions": {
+                "options": {
+                  "caseSensitive": true,
+                  "leftValue": "",
+                  "typeValidation": "strict"
+                },
+                "conditions": [
+                  {
+                    "id": "2ae7faa7-a936-4621-a680-60c512163034",
+                    "leftValue": "={{ $('Set File ID').item.json.file_type }}",
+                    "rightValue": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+                    "operator": {
+                      "type": "string",
+                      "operation": "equals",
+                      "name": "filter.operator.equals"
+                    }
+                  }
+                ],
+                "combinator": "and"
+              }
+            },
+            {
+              "conditions": {
+                "options": {
+                  "caseSensitive": true,
+                  "leftValue": "",
+                  "typeValidation": "strict"
+                },
+                "conditions": [
+                  {
+                    "id": "fc193b06-363b-4699-a97d-e5a850138b0e",
+                    "leftValue": "={{ $('Set File ID').item.json.file_type }}",
+                    "rightValue": "application/vnd.google-apps.document",
+                    "operator": {
+                      "type": "string",
+                      "operation": "equals",
+                      "name": "filter.operator.equals"
+                    }
+                  }
+                ],
+                "combinator": "and"
+              }
+            }
+          ]
+        },
+        "options": {
+          "fallbackOutput": 2
+        }
+      },
+      "id": "50dfe415-5c38-4b54-a55f-cf99975a11d5",
+      "name": "Switch",
+      "type": "n8n-nodes-base.switch",
+      "typeVersion": 3,
+      "position": [
+        1300,
+        960
+      ]
+    },
+    {
+      "parameters": {
+        "mode": "insert",
+        "tableName": {
+          "__rl": true,
+          "value": "documents",
+          "mode": "list",
+          "cachedResultName": "documents"
+        },
+        "options": {
+          "queryName": "match_documents"
+        }
+      },
+      "id": "f33b09ba-4934-4385-8e92-0e42e627a3fc",
+      "name": "Insert into Supabase Vectorstore",
+      "type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
+      "typeVersion": 1,
+      "position": [
+        2200,
+        780
+      ],
+      "credentials": {
+        "supabaseApi": {
+          "id": "azIAMHxdSaq5XhoW",
+          "name": "Supabase account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "tableName": {
+          "__rl": true,
+          "value": "documents",
+          "mode": "list",
+          "cachedResultName": "documents"
+        },
+        "options": {
+          "queryName": "match_documents"
+        }
+      },
+      "id": "bac888a0-1d9c-4162-9cca-d79583cd4624",
+      "name": "Supabase Vector Store",
+      "type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
+      "typeVersion": 1,
+      "position": [
+        1540,
+        440
+      ],
+      "credentials": {
+        "supabaseApi": {
+          "id": "azIAMHxdSaq5XhoW",
+          "name": "Supabase account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "operation": "xlsx",
+        "options": {}
+      },
+      "id": "1381c252-0565-4dae-9dad-827079f4ddac",
+      "name": "Extract from Excel",
+      "type": "n8n-nodes-base.extractFromFile",
+      "typeVersion": 1,
+      "position": [
+        1600,
+        960
+      ]
+    }
+  ],
+  "pinData": {},
+  "connections": {
+    "OpenAI Chat Model": {
+      "ai_languageModel": [
+        [
+          {
+            "node": "RAG AI Agent",
+            "type": "ai_languageModel",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "OpenAI Chat Model1": {
+      "ai_languageModel": [
+        [
+          {
+            "node": "Retrieve Documents",
+            "type": "ai_languageModel",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Retrieve Documents": {
+      "ai_tool": [
+        [
+          {
+            "node": "RAG AI Agent",
+            "type": "ai_tool",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Download File": {
+      "main": [
+        [
+          {
+            "node": "Switch",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "File Created": {
+      "main": [
+        [
+          {
+            "node": "Set File ID",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Embeddings OpenAI": {
+      "ai_embedding": [
+        [
+          {
+            "node": "Supabase Vector Store",
+            "type": "ai_embedding",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Extract Document Text": {
+      "main": [
+        [
+          {
+            "node": "Insert into Supabase Vectorstore",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Embeddings OpenAI1": {
+      "ai_embedding": [
+        [
+          {
+            "node": "Insert into Supabase Vectorstore",
+            "type": "ai_embedding",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Default Data Loader": {
+      "ai_document": [
+        [
+          {
+            "node": "Insert into Supabase Vectorstore",
+            "type": "ai_document",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Postgres Chat Memory": {
+      "ai_memory": [
+        [
+          {
+            "node": "RAG AI Agent",
+            "type": "ai_memory",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Delete Old Doc Rows": {
+      "main": [
+        [
+          {
+            "node": "Download File",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Set File ID": {
+      "main": [
+        [
+          {
+            "node": "Delete Old Doc Rows",
+            "type": "main",
+            "index": 0
+          }
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