AutomationFlowsGeneral › AI Chat Summarizer with OpenAI Memory

AI Chat Summarizer with OpenAI Memory

Original n8n title: Executeworkflow Summarize

Executeworkflow Summarize. Uses stickyNote, chatTrigger, openAi, memoryBufferWindow. Chat trigger; 15 nodes.

Chat trigger trigger★★★★☆ complexityAI-powered15 nodesChat TriggerOpenAIMemory Buffer WindowExecute Workflow TriggerTool WorkflowTool Code
General Trigger: Chat trigger Nodes: 15 Complexity: ★★★★☆ AI nodes: yes Added:

This workflow follows the Chat Trigger → Execute Workflow 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 →

Download .json
{
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "79573e58-f33f-445a-ad9a-0a92fde845c2",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -280,
        480
      ],
      "parameters": {
        "width": 1174.6162657502882,
        "height": 578.9520146851776,
        "content": "## Sub-workflow: Return the capitals of fictional countries\nIt can either list the countries it knows about or return the capital of a specific country"
      },
      "typeVersion": 1
    },
    {
      "id": "5eddcce9-7ee5-4ec7-a0a1-525a9b806994",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -280,
        -80
      ],
      "parameters": {
        "width": 1168,
        "height": 528,
        "content": "## Main workflow: Chat with OpenAI Assistant\nClick the 'Chat' button at the bottom of the screen to try"
      },
      "typeVersion": 1
    },
    {
      "id": "a6c38394-1be1-4002-a9b7-c4672823aaa5",
      "name": "When chat message received",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        -180,
        40
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1
    },
    {
      "id": "de0398ea-c2ad-49b9-860b-695149b94590",
      "name": "OpenAI",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        100,
        40
      ],
      "parameters": {
        "options": {},
        "resource": "assistant",
        "assistantId": {
          "__rl": true,
          "mode": "id",
          "value": "asst_BWy0154vMGMdrX7MjCYaYv6a"
        }
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.8
    },
    {
      "id": "050042f4-f5ff-433a-9651-43cbec8eafb6",
      "name": "Simple Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        360,
        260
      ],
      "parameters": {},
      "typeVersion": 1.3
    },
    {
      "id": "e4ed4cfe-78fb-44a5-8bef-67168dac95ec",
      "name": "When Executed by Another Workflow",
      "type": "n8n-nodes-base.executeWorkflowTrigger",
      "position": [
        -180,
        740
      ],
      "parameters": {
        "workflowInputs": {
          "values": [
            {
              "name": "query"
            }
          ]
        }
      },
      "typeVersion": 1.1
    },
    {
      "id": "a3a1059c-5c36-4d90-90e2-98e37f62bdd2",
      "name": "Tool to call the workflow below",
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "position": [
        40,
        260
      ],
      "parameters": {
        "name": "country_capitals_tool",
        "workflowId": {
          "__rl": true,
          "mode": "id",
          "value": "={{ $workflow.id }}"
        },
        "description": "This tool has two modes:\n1. Pass 'list' to the tool to get a list of countries that the tool has the capitals for (one per line). This is useful if you can't find a match, to see if the country being asked about might have been misspelled.\n2. Pass one of the country names in the list to the tool to get the capital of that country. Note that the country must be spelled exactly as it is in the list of countries returned in mode 1",
        "workflowInputs": {
          "value": {
            "query": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('query', ``, 'string') }}"
          },
          "schema": [
            {
              "id": "query",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "query",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        }
      },
      "typeVersion": 2
    },
    {
      "id": "80924ec9-5e82-4e90-8b72-42fc805d83c0",
      "name": "Tool: Get current date and time",
      "type": "@n8n/n8n-nodes-langchain.toolCode",
      "position": [
        200,
        260
      ],
      "parameters": {
        "name": "date_tool",
        "jsCode": "let now = DateTime.now()\nreturn now.toISO()",
        "description": "Call this tool to get the current timestamp (in ISO format). No parameters necessary"
      },
      "typeVersion": 1.1
    },
    {
      "id": "8f6a83bd-71eb-4f2d-b906-a18476f18f40",
      "name": "List countries?",
      "type": "n8n-nodes-base.if",
      "position": [
        40,
        740
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "ca43a9bd-5db3-4240-ae46-0402c8411818",
              "operator": {
                "name": "filter.operator.equals",
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.query }}",
              "rightValue": "list"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "40d93a59-4c91-43e4-a4a3-3732475617d6",
      "name": "Mapping data",
      "type": "n8n-nodes-base.code",
      "position": [
        260,
        600
      ],
      "parameters": {
        "jsCode": "return [\n    {\n        \"country\": \"Wakanda\",\n        \"capital\": \"Birnin Zana\"\n    },\n    {\n        \"country\": \"Narnia\",\n        \"capital\": \"Cair Paravel\"\n    },\n    {\n        \"country\": \"Gondor\",\n        \"capital\": \"Minas Tirith\"\n    },\n    {\n        \"country\": \"Oz\",\n        \"capital\": \"The Emerald City\"\n    },\n    {\n        \"country\": \"Westeros\",\n        \"capital\": \"King's Landing\"\n    },\n    {\n        \"country\": \"Panem\",\n        \"capital\": \"The Capitol\"\n    },\n    {\n        \"country\": \"Ruritania\",\n        \"capital\": \"Strelsau\"\n    },\n    {\n        \"country\": \"Mordor\",\n        \"capital\": \"Barad-d\u00fbr\"\n    },\n    {\n        \"country\": \"Latveria\",\n        \"capital\": \"Doomstadt\"\n    },\n    {\n        \"country\": \"Atlantis\",\n        \"capital\": \"Poseidonis\"\n    }\n]\n"
      },
      "typeVersion": 2
    },
    {
      "id": "8765b405-8991-421c-bdc5-3eb6d3757fcb",
      "name": "Concatenate country names",
      "type": "n8n-nodes-base.summarize",
      "position": [
        460,
        600
      ],
      "parameters": {
        "options": {},
        "fieldsToSummarize": {
          "values": [
            {
              "field": "country",
              "separateBy": "\n",
              "aggregation": "concatenate"
            }
          ]
        }
      },
      "typeVersion": 1.1
    },
    {
      "id": "c0b21934-8518-49b4-bbab-f13ad0a74343",
      "name": "Return country list",
      "type": "n8n-nodes-base.set",
      "position": [
        660,
        600
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "c97c3abc-40b2-4238-912d-030eb9ca3440",
              "name": "response",
              "type": "string",
              "value": "={{ $json.concatenated_country }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "5d4f05cc-f4e3-4ce6-9ea8-a324257fa7c3",
      "name": "Mapping data1",
      "type": "n8n-nodes-base.code",
      "position": [
        260,
        880
      ],
      "parameters": {
        "jsCode": "return [\n    {\n        \"country\": \"Wakanda\",\n        \"capital\": \"Birnin Zana\"\n    },\n    {\n        \"country\": \"Narnia\",\n        \"capital\": \"Cair Paravel\"\n    },\n    {\n        \"country\": \"Gondor\",\n        \"capital\": \"Minas Tirith\"\n    },\n    {\n        \"country\": \"Oz\",\n        \"capital\": \"The Emerald City\"\n    },\n    {\n        \"country\": \"Westeros\",\n        \"capital\": \"King's Landing\"\n    },\n    {\n        \"country\": \"Panem\",\n        \"capital\": \"The Capitol\"\n    },\n    {\n        \"country\": \"Ruritania\",\n        \"capital\": \"Strelsau\"\n    },\n    {\n        \"country\": \"Mordor\",\n        \"capital\": \"Barad-d\u00fbr\"\n    },\n    {\n        \"country\": \"Latveria\",\n        \"capital\": \"Doomstadt\"\n    },\n    {\n        \"country\": \"Atlantis\",\n        \"capital\": \"Poseidonis\"\n    }\n]\n"
      },
      "typeVersion": 2
    },
    {
      "id": "5ed65e2c-b56d-49d9-a205-1e4cc8914fa9",
      "name": "Get the matching country's details",
      "type": "n8n-nodes-base.merge",
      "position": [
        460,
        820
      ],
      "parameters": {
        "mode": "combine",
        "options": {},
        "advanced": true,
        "joinMode": "enrichInput1",
        "mergeByFields": {
          "values": [
            {
              "field1": "query",
              "field2": "country"
            }
          ]
        }
      },
      "typeVersion": 3
    },
    {
      "id": "313775a0-a4ce-488e-a7db-b1ddd49dc3cd",
      "name": "Return specific capital",
      "type": "n8n-nodes-base.set",
      "position": [
        660,
        820
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "03ac1883-126f-4419-93e4-c5062b2d766d",
              "name": "response",
              "type": "string",
              "value": "={{ $ifEmpty($json.capital, 'Capital not found') }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    }
  ],
  "connections": {
    "Mapping data": {
      "main": [
        [
          {
            "node": "Concatenate country names",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Mapping data1": {
      "main": [
        [
          {
            "node": "Get the matching country's details",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "OpenAI",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "List countries?": {
      "main": [
        [
          {
            "node": "Mapping data",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Get the matching country's details",
            "type": "main",
            "index": 0
          },
          {
            "node": "Mapping data1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Concatenate country names": {
      "main": [
        [
          {
            "node": "Return country list",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "OpenAI",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Tool to call the workflow below": {
      "ai_tool": [
        [
          {
            "node": "OpenAI",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Tool: Get current date and time": {
      "ai_tool": [
        [
          {
            "node": "OpenAI",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "When Executed by Another Workflow": {
      "main": [
        [
          {
            "node": "List countries?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get the matching country's details": {
      "main": [
        [
          {
            "node": "Return specific capital",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

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How this works

This workflow enables you to converse with an AI assistant that maintains context from previous messages and executes sub-workflows for complex tasks, delivering concise summaries of interactions or results. It's ideal for teams or individuals handling customer support, research, or project management, where quick insights from ongoing chats save hours of manual review. The key step involves the OpenAI integration processing your chat inputs alongside a memory buffer to generate intelligent responses, while the executeWorkflow trigger seamlessly calls specialised tools like date retrieval for precise outputs.

Use this when you need an interactive AI that remembers conversation history and automates routine actions, such as summarising daily reports from chat logs. Avoid it for one-off tasks without ongoing dialogue, or if your setup lacks OpenAI access for real-time processing. Common variations include adding more tool workflows for database queries or integrating with email triggers to extend beyond pure chat scenarios.

About this workflow

Executeworkflow Summarize. Uses stickyNote, chatTrigger, openAi, memoryBufferWindow. Chat trigger; 15 nodes.

Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →

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