AI Blog Writer Pipeline (ollama)

The workflow JSON

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{
  "name": "AI Blog Writer Pipeline (Ollama)",
  "nodes": [
    {
      "parameters": {},
      "id": "trigger-1",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        240,
        300
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "topic",
              "name": "topic",
              "value": "How to Self-Host AI Models with Ollama",
              "type": "string"
            },
            {
              "id": "tone",
              "name": "tone",
              "value": "professional but conversational",
              "type": "string"
            },
            {
              "id": "word_count",
              "name": "word_count",
              "value": "1500",
              "type": "string"
            }
          ]
        }
      },
      "id": "set-input",
      "name": "Set Blog Parameters",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        460,
        300
      ]
    },
    {
      "parameters": {
        "url": "http://localhost:11434/api/generate",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ model: 'llama3:8b', prompt: 'You are a professional blog researcher. Research the topic: \"' + $json.topic + '\" and provide 5 key points with supporting evidence. Format as a numbered list with brief explanations. Be factual and cite real concepts.', stream: false, options: { temperature: 0.3, num_predict: 1000 } }) }}",
        "options": {
          "timeout": 120000
        }
      },
      "id": "research",
      "name": "1. Research Topic (Ollama)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        680,
        300
      ]
    },
    {
      "parameters": {
        "url": "http://localhost:11434/api/generate",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ model: 'llama3:8b', prompt: 'You are a blog outline creator. Based on this research:\\n\\n' + JSON.parse($json.data).response + '\\n\\nCreate a detailed blog outline for the topic: \"' + $('Set Blog Parameters').item.json.topic + '\"\\n\\nInclude: Title, H2 sections, key points under each, and a conclusion. Target ' + $('Set Blog Parameters').item.json.word_count + ' words.', stream: false, options: { temperature: 0.4, num_predict: 1000 } }) }}",
        "options": {
          "timeout": 120000
        }
      },
      "id": "outline",
      "name": "2. Create Outline (Ollama)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        900,
        300
      ]
    },
    {
      "parameters": {
        "url": "http://localhost:11434/api/generate",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ model: 'llama3:8b', prompt: 'You are a professional blog writer. Write a complete blog post following this outline:\\n\\n' + JSON.parse($json.data).response + '\\n\\nRequirements:\\n- Tone: ' + $('Set Blog Parameters').item.json.tone + '\\n- Target length: ' + $('Set Blog Parameters').item.json.word_count + ' words\\n- Use markdown formatting (## for headings)\\n- Include a compelling introduction and conclusion\\n- Add practical tips and examples\\n- Write for SEO (use keywords naturally)', stream: false, options: { temperature: 0.7, num_predict: 4000 } }) }}",
        "options": {
          "timeout": 300000
        }
      },
      "id": "draft",
      "name": "3. Write Draft (Ollama)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1120,
        300
      ]
    },
    {
      "parameters": {
        "url": "http://localhost:11434/api/generate",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ model: 'llama3:8b', prompt: 'You are a professional editor. Edit and improve this blog post for clarity, grammar, flow, and SEO. Fix any issues and make it publication-ready. Return the complete edited post in markdown.\\n\\nOriginal post:\\n\\n' + JSON.parse($json.data).response, stream: false, options: { temperature: 0.3, num_predict: 4000 } }) }}",
        "options": {
          "timeout": 300000
        }
      },
      "id": "edit",
      "name": "4. Edit & Polish (Ollama)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1340,
        300
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "final_post",
              "name": "final_post",
              "value": "={{ JSON.parse($json.data).response }}",
              "type": "string"
            },
            {
              "id": "topic",
              "name": "topic",
              "value": "={{ $('Set Blog Parameters').item.json.topic }}",
              "type": "string"
            },
            {
              "id": "generated_at",
              "name": "generated_at",
              "value": "={{ new Date().toISOString() }}",
              "type": "string"
            }
          ]
        }
      },
      "id": "output",
      "name": "Final Output",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        1560,
        300
      ]
    }
  ],
  "connections": {
    "Manual Trigger": {
      "main": [
        [
          {
            "node": "Set Blog Parameters",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Blog Parameters": {
      "main": [
        [
          {
            "node": "1. Research Topic (Ollama)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "1. Research Topic (Ollama)": {
      "main": [
        [
          {
            "node": "2. Create Outline (Ollama)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "2. Create Outline (Ollama)": {
      "main": [
        [
          {
            "node": "3. Write Draft (Ollama)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "3. Write Draft (Ollama)": {
      "main": [
        [
          {
            "node": "4. Edit & Polish (Ollama)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "4. Edit & Polish (Ollama)": {
      "main": [
        [
          {
            "node": "Final Output",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "tags": [
    {
      "name": "AI"
    },
    {
      "name": "Ollama"
    },
    {
      "name": "Content"
    },
    {
      "name": "Blog"
    }
  ]
}

About this workflow

AI Blog Writer Pipeline (Ollama). Uses httpRequest. Event-driven trigger; 7 nodes.

Source: https://github.com/bonskari/n8n-ai-workflows/blob/73a4e866da3e5d766998657e8be4049313806763/samples/ai-blog-writer.json — original creator credit. Request a take-down →

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