Writer Agent

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 →

{
  "id": "writer-agent",
  "name": "Writer Agent",
  "description": "AI agent that writes engaging LinkedIn post content",
  "nodes": [
    {
      "parameters": {
        "functionCode": "return {\n  systemPrompt: `You are an expert LinkedIn content writer. Your role is to create compelling, professional content that drives engagement.\n\nBased on the content plan, write a high-quality LinkedIn post that:\n1. Has a strong hook in the first 3 lines\n2. Provides value to the reader\n3. Includes storytelling elements\n4. Ends with a clear call-to-action\n5. Is optimized for LinkedIn's algorithm\n\nFormat your response as JSON with these fields:\n{\n  \"postContent\": \"string (200-300 words)\",\n  \"hashtags\": [\"array of 3-5 relevant hashtags\"],\n  \"engagementTips\": [\"array of tips\"],\n  \"wordCount\": \"number\"\n}\n\nMake it authentic, conversational, and professional.`\n};"
      },
      "id": "set-writer-prompt",
      "name": "Set Writer Prompt",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        0,
        0
      ]
    },
    {
      "parameters": {
        "model": "gpt-4",
        "messages": "=[{\n  'role': 'system',\n  'content': $input.first().json.systemPrompt\n}, {\n  'role': 'user',\n  'content': `Content Plan: ${JSON.stringify($input.first().json)}\\n\\nPlease write an engaging LinkedIn post based on this plan.`\n}]",
        "options": {
          "temperature": 0.8,
          "maxTokens": 1500
        }
      },
      "id": "openai-writer",
      "name": "OpenAI Writer",
      "type": "n8n-nodes-base.openai",
      "typeVersion": 1,
      "position": [
        250,
        0
      ]
    },
    {
      "parameters": {
        "functionCode": "const response = $input.first().json.choices[0].message.content;\n\ntry {\n  const content = JSON.parse(response);\n  return {\n    ...content,\n    chatId: $input.first().json.chatId\n  };\n} catch (e) {\n  // Fallback parsing\n  const lines = response.split('\\n');\n  const hashtags = lines.filter(l => l.includes('#')).map(l => l.trim());\n  const postContent = lines.filter(l => !l.includes('#')).join('\\n');\n  \n  return {\n    postContent: postContent || response,\n    hashtags: hashtags.length > 0 ? hashtags : ['#LinkedIn', '#ProfessionalDevelopment'],\n    engagementTips: ['Ask questions', 'Use emojis', 'Tag relevant people'],\n    wordCount: (postContent || response).split(' ').length,\n    chatId: $input.first().json.chatId,\n    rawResponse: response\n  };\n}"
      },
      "id": "parse-writer-output",
      "name": "Parse Writer Output",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        500,
        0
      ]
    }
  ],
  "connections": {
    "Set Writer Prompt": {
      "main": [
        [
          {
            "node": "OpenAI Writer",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Writer": {
      "main": [
        [
          {
            "node": "Parse Writer Output",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {},
  "staticData": null
}

About this workflow

Writer Agent. Uses openai. Manual trigger; 3 nodes.

Source: https://github.com/ruvcaltd/n8n/blob/a4620cfa4f1aee541f2b2a96f276c689204f06cc/workflows/writer-agent.json — original creator credit. Request a take-down →

More AI & RAG workflows → · Browse all categories →

Related workflows

Workflows that share integrations, category, or trigger type with this one. All free to copy and import.