N8n Demo

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": "n8n demo",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 1
            }
          ]
        }
      },
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        -624,
        96
      ],
      "id": "6db3af47-8dbb-4cbc-8ca9-1ece9345abd8",
      "name": "Schedule Trigger"
    },
    {
      "parameters": {
        "url": "https://943a35f3094b.ngrok-free.app/api/health",
        "options": {}
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        -416,
        96
      ],
      "id": "80ce9401-354b-4213-a241-74c04baa9978",
      "name": "Get Server Health",
      "alwaysOutputData": false,
      "onError": "continueRegularOutput"
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
          },
          "conditions": [
            {
              "id": "8062407f-1502-4c20-a897-8a599a5f2cd3",
              "leftValue": "={{ $json.error.status }}",
              "rightValue": 500,
              "operator": {
                "type": "number",
                "operation": "equals"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.2,
      "position": [
        -208,
        96
      ],
      "id": "27e6ad73-40dc-4f10-a589-0f548bcd90a4",
      "name": "If Server has error"
    },
    {
      "parameters": {
        "jsCode": "// Get the raw message string\nconst raw = $input.first().json.error.message\n\n// 1\ufe0f\u20e3 Remove the status code prefix (e.g., \"500 -\" or \"message 500 -\")\nconst cleaned = raw.replace(/^(?:message\\s*)?\\d+\\s*-\\s*/, \"\").trim();\n\n// 2\ufe0f\u20e3 Remove surrounding quotes if present\nconst unquoted = cleaned.startsWith('\"') && cleaned.endsWith('\"')\n  ? cleaned.slice(1, -1)\n  : cleaned;\n\n// 3\ufe0f\u20e3 Unescape inner quotes and backslashes\nconst normalized = unquoted\n  .replace(/\\\\\"/g, '\"')\n  .replace(/\\\\\\\\/g, '\\\\');\n\n// 4\ufe0f\u20e3 Parse into actual JSON\nlet parsed;\ntry {\n  parsed = JSON.parse(normalized);\n} catch (e) {\n  throw new Error(\"\u274c Failed to parse message: \" + e.message + \"\\nRaw input:\\n\" + normalized);\n}\n\n// 5\ufe0f\u20e3 Return parsed JSON object\nreturn [{ json: parsed }];"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        0,
        0
      ],
      "id": "a31c70e1-4809-46f0-abfe-b7f0a89af560",
      "name": "Parse Error Message"
    },
    {
      "parameters": {
        "authentication": "oAuth2",
        "spaceId": "spaces/AAQA8_6xbTo",
        "messageUi": {
          "text": "={{\n(() => {\n  const severity = $json.errorDetails?.severity?.toLowerCase() || '';\n  const emoji =\n    severity === 'low' ? '\ud83d\udfe1' :\n    severity === 'high' ? '\ud83d\udfe0' :\n    severity === 'critical' ? '\ud83d\udd34' :\n    '\u26aa\ufe0f'; // default if unknown\n\n  return `${emoji} ${$json.errorDetails.description || ''}`;\n})()\n}}"
        },
        "additionalFields": {}
      },
      "type": "n8n-nodes-base.googleChat",
      "typeVersion": 1,
      "position": [
        192,
        -80
      ],
      "id": "c2655bb3-a500-493b-961c-ffdd49f3f8b3",
      "name": "Create a message",
      "credentials": {
        "googleChatOAuth2Api": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "listId": "69051f0c48062d7bb8e9c49e",
        "name": "={{\n(() => {\n  const error = $('Parse Error Message').item.json.errorDetails || {};\n  const severity = (error.severity || '').toLowerCase();\n  const emoji =\n    severity === 'low' ? '\ud83d\udfe1' :\n    severity === 'high' ? '\ud83d\udfe0' :\n    severity === 'critical' ? '\ud83d\udd34' :\n    '\u26aa\ufe0f'; // default if unknown\n\n  return `${emoji} ${error.description || ''}`;\n})()\n}}",
        "description": "={{ $json.response.toLowerCase().includes(\"sorry\") ? \"\" : $json.response }}",
        "additionalFields": {}
      },
      "type": "n8n-nodes-base.trello",
      "typeVersion": 1,
      "position": [
        416,
        96
      ],
      "id": "47d9ba8f-71cd-4a11-8aa9-b892c677f3c8",
      "name": "Create a card",
      "credentials": {
        "trelloApi": {
          "name": "<your credential>"
        }
      },
      "onError": "continueRegularOutput"
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://54e33f34fd45.ngrok-free.app/api/generate",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Content-Type",
              "value": "application/json"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"model\": \"deepseek-coder:6.7b\",\n  \"prompt\": \"You're a senior {{ $json.errorDetails.itSection }}, this error occured: {{ $json.errorDetails.description }}. Give a detailed steps to fix it.\",\n\"stream\": false\n}",
        "options": {}
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.3,
      "position": [
        192,
        96
      ],
      "id": "3db2fce1-fbd7-45e1-8128-fc90ca156e6a",
      "name": "HTTP Request",
      "onError": "continueRegularOutput"
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://943a35f3094b.ngrok-free.app/restart",
        "options": {}
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.3,
      "position": [
        624,
        96
      ],
      "id": "219fe5d0-cd99-4f8e-9767-ed6467ccbfd3",
      "name": "Restart server"
    }
  ],
  "connections": {
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Get Server Health",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Server Health": {
      "main": [
        [
          {
            "node": "If Server has error",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "If Server has error": {
      "main": [
        [
          {
            "node": "Parse Error Message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Parse Error Message": {
      "main": [
        [
          {
            "node": "Create a message",
            "type": "main",
            "index": 0
          },
          {
            "node": "HTTP Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create a card": {
      "main": [
        [
          {
            "node": "Restart server",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "HTTP Request": {
      "main": [
        [
          {
            "node": "Create a card",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "f8813998-c209-443a-8240-9df41eb48c0a",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "id": "9HowZdIzHdMWWv0s",
  "tags": []
}

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.

• googleChatOAuth2Api
• trelloApi

About this workflow

n8n demo. Uses httpRequest, googleChat, trello. Scheduled trigger; 8 nodes.

Source: https://github.com/Rantoniaina/n8n-demo/blob/dev/n8n-demo.json — original creator credit. Request a take-down →

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