Automated Trello Board Summarization with Gpt-5-nano

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 →

{
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "edea30b9-4fe9-4c32-a10b-4775910ef67e",
      "name": "When clicking \u2018Execute workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -416,
        1376
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "b99370e3-ef14-49e6-8c32-4fae46fa3ea6",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        112,
        1904
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-5-nano",
          "cachedResultName": "gpt-5-nano"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "6d3e48c8-0b7b-49f7-9ce9-cb1dace5f83c",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -944,
        1248
      ],
      "parameters": {
        "width": 400,
        "height": 928,
        "content": "\n\n## \u2699\ufe0f Setup Instructions\n\n### 1\ufe0f\u20e3 Connect Trello (Developer API)\n1. Get your **API key**: https://trello.com/app-key  \n2. Generate a **token** (from the same page \u2192 **Token**)\n3. In n8n \u2192 **Credentials \u2192 New \u2192 Trello API**, paste **API Key** and **Token**, save.  \n4. Open each Trello node (**Get Board**, **Get Lists**, **Get Cards**) and select your Trello credential.\n\n### 2\ufe0f\u20e3 Set Up OpenAI Connection\n1. Go to [OpenAI Platform](https://platform.openai.com/api-keys)  \n2. Navigate to [OpenAI Billing](https://platform.openai.com/settings/organization/billing/overview)  \n3. Add funds to your billing account  \n4. Copy your API key into the **OpenAI credentials** in n8n  \n\n### 3\ufe0f\u20e3 Add Your Board URL to \u201cGet Board\u201d\n1. Copy your Trello board URL (e.g., `https://trello.com/b/DCpuJbnd/administrative-tasks`).  \n2. Open the **Get Board** node \u2192 **Resource: Board**, **Operation: Get**.  \n3. In **ID**, choose **URL** mode and paste the **board URL**.  \n   - The node will resolve the board and output its `id` \u2192 used by **Get Lists** / **Get Cards**.\n\n## \ud83d\udcec Contact\n\ud83d\udce7 [robert@ynteractive.com](mailto:robert@ynteractive.com)  \n\ud83d\udd17 [Robert Breen](https://www.linkedin.com/in/robert-breen-29429625/)  \n\ud83c\udf10 [ynteractive.com](https://ynteractive.com)\n"
      },
      "typeVersion": 1
    },
    {
      "id": "33cbea62-e7ae-47e2-a191-4753663cc604",
      "name": "Sticky Note41",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -496,
        1248
      ],
      "parameters": {
        "color": 7,
        "width": 1104,
        "height": 928,
        "content": "# \ud83d\uddc2\ufe0f Trello Board Summarizer (n8n + Trello + OpenAI)\nThis workflow pulls a Trello **board \u2192 lists \u2192 cards**, maps key fields (board, list, task names/descriptions), and asks OpenAI to **summarize the board**."
      },
      "typeVersion": 1
    },
    {
      "id": "4cadd49a-62ce-4784-b41b-39e7cb3081ab",
      "name": "Sticky Note42",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        16,
        1728
      ],
      "parameters": {
        "color": 3,
        "width": 288,
        "height": 304,
        "content": "### 2\ufe0f\u20e3 Set Up OpenAI Connection\n1. Go to [OpenAI Platform](https://platform.openai.com/api-keys)  \n2. Navigate to [OpenAI Billing](https://platform.openai.com/settings/organization/billing/overview)  \n3. Add funds to your billing account  \n4. Copy your API key into the **OpenAI credentials** in n8n  "
      },
      "typeVersion": 1
    },
    {
      "id": "a230c9f0-cbfb-4423-9cd1-31817224edcd",
      "name": "Get Board",
      "type": "n8n-nodes-base.trello",
      "position": [
        -416,
        1600
      ],
      "parameters": {
        "id": {
          "__rl": true,
          "mode": "url",
          "value": "https://trello.com/b/DCpuJbnd/administrative-tasks"
        },
        "resource": "board",
        "operation": "get",
        "additionalFields": {}
      },
      "credentials": {
        "trelloApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "a957f208-cb1c-4734-b855-7651b8fa89fe",
      "name": "Get Lists",
      "type": "n8n-nodes-base.trello",
      "position": [
        -368,
        2016
      ],
      "parameters": {
        "id": "={{ $json.id }}",
        "resource": "list",
        "operation": "getAll",
        "additionalFields": {}
      },
      "credentials": {
        "trelloApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "56f8066e-5ce1-4065-855b-cd9dfe6a20be",
      "name": "Get Cards",
      "type": "n8n-nodes-base.trello",
      "position": [
        -160,
        1648
      ],
      "parameters": {
        "id": "={{ $json.id }}",
        "resource": "list",
        "operation": "getCards",
        "additionalFields": {}
      },
      "credentials": {
        "trelloApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "156c52d3-970e-4bcf-995e-eaeb1c425711",
      "name": "Map Fields",
      "type": "n8n-nodes-base.set",
      "position": [
        -48,
        1376
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "3c2613df-a000-4c8e-bd27-2aef696f5ced",
              "name": "Board Name",
              "type": "string",
              "value": "={{ $('Get Board').item.json.name }}"
            },
            {
              "id": "e4048a3f-d352-4b1f-a76a-4fbf9b74b163",
              "name": "List Name",
              "type": "string",
              "value": "={{ $('Get Lists').item.json.name }}"
            },
            {
              "id": "d0236a8a-8129-4370-b241-9e27adcb9952",
              "name": "Task Name",
              "type": "string",
              "value": "={{ $json.name }}"
            },
            {
              "id": "8b6b23c1-1661-4af7-b62d-4facaf0d2651",
              "name": "Task Description",
              "type": "string",
              "value": "={{ $json.desc }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "31e6bbd1-fef7-4a26-9c5d-33f7620f70d3",
      "name": "Combine into One",
      "type": "n8n-nodes-base.aggregate",
      "position": [
        112,
        1520
      ],
      "parameters": {
        "options": {},
        "aggregate": "aggregateAllItemData"
      },
      "typeVersion": 1
    },
    {
      "id": "3d6f05a6-0b46-417d-b314-c3106e5267f1",
      "name": "Summarize Tasks",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        288,
        1488
      ],
      "parameters": {
        "text": "={{ $json.data }}",
        "options": {
          "systemMessage": "Summarize this board"
        },
        "promptType": "define"
      },
      "typeVersion": 2.2
    },
    {
      "id": "5ff00f3a-ac76-433b-a427-9018fb5d5ef0",
      "name": "Sticky Note43",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -480,
        1840
      ],
      "parameters": {
        "color": 3,
        "width": 336,
        "height": 304,
        "content": "### 1\ufe0f\u20e3 Connect Trello (Developer API)\n1. Get your **API key**: https://trello.com/app-key  \n2. Generate a **token** (from the same page \u2192 **Token**)\n3. In n8n \u2192 **Credentials \u2192 New \u2192 Trello API**, paste **API Key** and **Token**, save.  "
      },
      "typeVersion": 1
    }
  ],
  "connections": {
    "Get Board": {
      "main": [
        [
          {
            "node": "Get Lists",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Cards": {
      "main": [
        [
          {
            "node": "Map Fields",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Lists": {
      "main": [
        [
          {
            "node": "Get Cards",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Map Fields": {
      "main": [
        [
          {
            "node": "Combine into One",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Combine into One": {
      "main": [
        [
          {
            "node": "Summarize Tasks",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Summarize Tasks",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "When clicking \u2018Execute workflow\u2019": {
      "main": [
        [
          {
            "node": "Get Board",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

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.

• openAiApi
• trelloApi

About this workflow

This workflow pulls a Trello board → lists → cards, maps key fields (board, list, task names/descriptions), and asks OpenAI to summarize the board. Get your API key: https://trello.com/app-key Generate a token (from the same page → Token), or use: In n8n → Credentials → New →…

Source: https://n8n.io/workflows/7612/ — original creator credit. Request a take-down →

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