Linkedin Comment Dm Trigger

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": "04 - LinkedIn Comment DM Trigger",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 10
            }
          ]
        }
      },
      "id": "trigger-cron",
      "name": "Every 10 min",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.1,
      "position": [
        200,
        300
      ]
    },
    {
      "parameters": {
        "url": "=https://api.unipile.com/api/v1/posts/{{ $env.LI_POST_ID }}/comments",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "account_id",
              "value": "={{ $env.UNIPILE_LINKEDIN_ACCOUNT_ID }}"
            },
            {
              "name": "limit",
              "value": "100"
            }
          ]
        },
        "options": {}
      },
      "id": "fetch-comments",
      "name": "Fetch post comments",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        420,
        300
      ],
      "credentials": {
        "httpHeaderAuth": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "fieldToSplitOut": "items",
        "options": {}
      },
      "id": "split",
      "name": "Split each comment",
      "type": "n8n-nodes-base.splitOut",
      "typeVersion": 1,
      "position": [
        640,
        300
      ]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": false,
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "leftValue": "={{ $json.text }}",
              "rightValue": "={{ $env.TRIGGER_KEYWORD }}",
              "operator": {
                "type": "string",
                "operation": "contains"
              }
            }
          ]
        }
      },
      "id": "if-keyword",
      "name": "If contains keyword",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        860,
        300
      ]
    },
    {
      "parameters": {
        "operation": "lookup",
        "documentId": {
          "__rl": true,
          "value": "REPLACE_ME_SHEET_ID",
          "mode": "id"
        },
        "sheetName": {
          "__rl": true,
          "value": "comment-dm-log",
          "mode": "name"
        },
        "filtersUI": {
          "values": [
            {
              "lookupColumn": "profile_url",
              "lookupValue": "={{ $json.author.public_profile_url }}"
            }
          ]
        },
        "options": {
          "returnAllMatches": false
        }
      },
      "id": "dedupe-check",
      "name": "Already DM'd?",
      "type": "n8n-nodes-base.googleSheets",
      "typeVersion": 4.5,
      "position": [
        1080,
        300
      ],
      "credentials": {
        "googleSheetsOAuth2Api": {
          "name": "<your credential>"
        }
      },
      "continueOnFail": true
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "leftValue": "={{ $json.dm_sent_at }}",
              "rightValue": "",
              "operator": {
                "type": "string",
                "operation": "empty"
              }
            }
          ]
        }
      },
      "id": "if-not-dmed",
      "name": "If not DM'd",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        1300,
        300
      ]
    },
    {
      "parameters": {
        "modelId": {
          "__rl": true,
          "value": "claude-sonnet-4-6",
          "mode": "list"
        },
        "messages": {
          "values": [
            {
              "content": "=Write a short, warm LinkedIn DM for someone who just commented '{{ $env.TRIGGER_KEYWORD }}' on my post.\n\nMY VOICE: SkynetLabs (Waseem Nasir). Direct, friendly, no marketing-speak.\n\nTHEIR DETAILS:\nName: {{ $('Split each comment').item.json.author.name }}\nHeadline: {{ $('Split each comment').item.json.author.headline }}\nThey commented: {{ $('Split each comment').item.json.text }}\n\nMY POST WAS ABOUT: {{ $env.POST_TOPIC }}\nTHE LEAD MAGNET URL: {{ $env.LEAD_MAGNET_URL }}\n\nWrite ONLY the DM body (max 80 words). Don't say 'thanks for commenting'. Reference their headline briefly. Drop the link naturally. End with a soft open question (no hard CTA).\n\nReturn just the DM text, no JSON, no quotes.",
              "role": "user"
            }
          ]
        },
        "options": {
          "temperature": 0.7,
          "maxTokens": 400
        }
      },
      "id": "claude-dm",
      "name": "Claude personalize DM",
      "type": "@n8n/n8n-nodes-langchain.anthropic",
      "typeVersion": 1.2,
      "position": [
        1520,
        300
      ],
      "credentials": {
        "anthropicApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.unipile.com/api/v1/chats",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"account_id\": \"{{ $env.UNIPILE_LINKEDIN_ACCOUNT_ID }}\",\n  \"attendees_ids\": [\"{{ $('Split each comment').item.json.author.provider_id }}\"],\n  \"text\": {{ JSON.stringify($json.content?.[0]?.text || $json.text || '') }}\n}",
        "options": {}
      },
      "id": "send-dm",
      "name": "Send DM via Unipile",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1740,
        300
      ],
      "credentials": {
        "httpHeaderAuth": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "append",
        "documentId": {
          "__rl": true,
          "value": "REPLACE_ME_SHEET_ID",
          "mode": "id"
        },
        "sheetName": {
          "__rl": true,
          "value": "comment-dm-log",
          "mode": "name"
        },
        "columns": {
          "mappingMode": "defineBelow",
          "value": {
            "commented_at": "={{ $('Split each comment').item.json.created_at }}",
            "name": "={{ $('Split each comment').item.json.author.name }}",
            "profile_url": "={{ $('Split each comment').item.json.author.public_profile_url }}",
            "comment_text": "={{ $('Split each comment').item.json.text }}",
            "dm_sent_at": "={{ new Date().toISOString() }}",
            "dm_body": "={{ $('Claude personalize DM').item.json.content?.[0]?.text || $('Claude personalize DM').item.json.text }}",
            "status": "sent"
          }
        },
        "options": {}
      },
      "id": "log-sent",
      "name": "Log sent DM",
      "type": "n8n-nodes-base.googleSheets",
      "typeVersion": 4.5,
      "position": [
        1960,
        300
      ],
      "credentials": {
        "googleSheetsOAuth2Api": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Every 10 min": {
      "main": [
        [
          {
            "node": "Fetch post comments",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fetch post comments": {
      "main": [
        [
          {
            "node": "Split each comment",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Split each comment": {
      "main": [
        [
          {
            "node": "If contains keyword",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "If contains keyword": {
      "main": [
        [
          {
            "node": "Already DM'd?",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    },
    "Already DM'd?": {
      "main": [
        [
          {
            "node": "If not DM'd",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "If not DM'd": {
      "main": [
        [
          {
            "node": "Claude personalize DM",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    },
    "Claude personalize DM": {
      "main": [
        [
          {
            "node": "Send DM via Unipile",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send DM via Unipile": {
      "main": [
        [
          {
            "node": "Log sent DM",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "meta": {
    "templateId": "skynetlabs-04"
  },
  "tags": [
    {
      "name": "skynetlabs-pack"
    },
    {
      "name": "linkedin"
    },
    {
      "name": "comment-trigger"
    }
  ]
}

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.

• anthropicApi
• googleSheetsOAuth2Api
• httpHeaderAuth

About this workflow

04 - LinkedIn Comment DM Trigger. Uses httpRequest, googleSheets, anthropic. Scheduled trigger; 9 nodes.

Source: https://github.com/waseemnasir2k26/skynet-automation-pack/blob/main/n8n/04-linkedin-comment-dm-trigger.json — original creator credit. Request a take-down →

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