AutomationFlowsAI & RAG › Ask Questions About Any Data Source

Ask Questions About Any Data Source

Original n8n title: Ai: Ask Questions About Any Data Source (using the N8n Workflow Retriever)

Byn8n Team @n8n-team on n8n.io

This template aims to perform Q&A on data retrieved from another n8n workflow. Since that workflow can be used to retrieve any data from any service, this template can be used to ask questions about any data.

Event trigger★★☆☆☆ complexityAI-powered7 nodesChain Retrieval QaOpenAI ChatRetriever Workflow
AI & RAG Trigger: Event Nodes: 7 Complexity: ★★☆☆☆ AI nodes: yes Added:

This workflow corresponds to n8n.io template #1958 — we link there as the canonical source.

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 →

Download .json
{
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "9ec28e5e-8f1a-4f18-82bb-6c51a03f83e9",
      "name": "When clicking \"Execute Workflow\"",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -940,
        500
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "800f3bb9-09bb-41b6-84c5-d9d7abd6c7a8",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -560,
        440
      ],
      "parameters": {
        "width": 363,
        "height": 211.90203341144422,
        "content": "### Q&A on data returned from a workflow"
      },
      "typeVersion": 1
    },
    {
      "id": "278b573c-70cc-4439-85c0-e415bcf7c4ee",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -320,
        700
      ],
      "parameters": {
        "width": 262.67019427016413,
        "height": 255.8330939602389,
        "content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nReplace \"Workflow ID\" with the ID the Subworkflow got saved as"
      },
      "typeVersion": 1
    },
    {
      "id": "313d8f8b-b7d4-4aee-9725-005aa5c5a984",
      "name": "Edit Fields",
      "type": "n8n-nodes-base.set",
      "position": [
        -720,
        500
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "a3695a2f-e0bb-4277-886d-3f301f24794b",
              "name": "chatInput",
              "type": "string",
              "value": "What notes can you find for Jay Gatsby and what is his email address?"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "74479c7b-3d64-4715-90e9-250560f3ea3d",
      "name": "Question and Answer Chain",
      "type": "@n8n/n8n-nodes-langchain.chainRetrievalQa",
      "position": [
        -500,
        500
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.4
    },
    {
      "id": "912affaa-efea-435e-bad5-2f2ac31b7fd6",
      "name": "OpenAI Chat Model1",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        -560,
        760
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "6da9d2ae-83d6-4bde-b013-71d313fcbe9b",
      "name": "Workflow Retriever",
      "type": "@n8n/n8n-nodes-langchain.retrieverWorkflow",
      "position": [
        -240,
        760
      ],
      "parameters": {
        "workflowId": {
          "__rl": true,
          "mode": "id",
          "value": "QacfBRBnf1xOyckC"
        }
      },
      "typeVersion": 1.1
    }
  ],
  "connections": {
    "Edit Fields": {
      "main": [
        [
          {
            "node": "Question and Answer Chain",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model1": {
      "ai_languageModel": [
        [
          {
            "node": "Question and Answer Chain",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Workflow Retriever": {
      "ai_retriever": [
        [
          {
            "node": "Question and Answer Chain",
            "type": "ai_retriever",
            "index": 0
          }
        ]
      ]
    },
    "When clicking \"Execute Workflow\"": {
      "main": [
        [
          {
            "node": "Edit Fields",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

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About this workflow

This template aims to perform Q&A on data retrieved from another n8n workflow. Since that workflow can be used to retrieve any data from any service, this template can be used to ask questions about any data.

Source: https://n8n.io/workflows/1958/ — original creator credit. Request a take-down →

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