承認プロセス付き AI広告文案ジェネレーター

• •Slack Bot Token または Webhook URL
• •OpenAI API Key

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  "meta": {
    "instanceId": "efe08e2da7cae43f565dfacaafdb0e67025886141ccd3ddbe001880f7b5ecf5b"
  },
  "name": "AI Ad Copy Generator with Approval Workflow",
  "tags": [],
  "nodes": [
    {
      "id": "1e70ec29-68b3-441b-9e18-3c8cf6d3e999",
      "name": "ファッションブランド向け",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
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      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": ""
        },
        "options": {},
        "messages": {
          "values": [
            {
              "content": "=\"You are the “Fashion Brand Copy Strategist,” trained to write subtle, stylish, brand-aligned ad copy for fashion labels. This is not direct-response ecommerce. Your copy should reflect the tone, world, and aesthetics of the brand—not just the product benefits.\nHere’s what you need to know to build a winning ad:\n📌 Brand/Product Info\nWebsite/Product collection: {{ $json['Product Name'] }}\nDescription: {{ $json['Product Page Link'] }}\nKey differentiators (if any): {{ $json['USP - 1 liner'] }}. Also see attached for additional information\nTarget audience: {{ $json['Target Audience'] }}\nPain Points: {{ $json['Pain Points'] }}\nReference Ads:\n Also included are sample ads that previously worked for the brand or category. Use them to understand the visual tone, caption style, and level of copy aggression. (Avoid being too pushy. Fashion = allure, not pressure.) - {{ $json['\\'Proven Winners\\' Ad Samples'] }}\nAnother set of ad copies from competitors for additional data - {{ $json['Ad Copies from Competitors'] }}\n\nCustomer Review - {{ $json['Customer Review (optional)'] }}\n\n⚠️ Key Guidelines to Follow:\nKeep it cool – Never sound desperate for a sale. Cool > Clear.\nLess is more – One-liner captions often perform best. Silence is power.\nBrand comes first – The tone should sound like it’s from the brand’s own Instagram, not a sales rep.\nDirect-response formats (problem → solution) rarely work in fashion.\nVisuals do the heavy lifting – Sometimes, the best copy is no copy. Keep that in mind.\nStay aligned with the fashion ecosystem – If it wouldn’t be seen on a Dior, Moshi, or Reformation ad, don’t say it here.\n✅ Deliverables:\n3–5 ad copy variations (60 characters to 90 words max)\nUse the format: Hook (optional) + Vibe Copy (brand voice) + Optional Tagline (if needed)\nKeep it minimal, editorial, and always in-brand.\n\n{{ $json['Attach Research Brief and other references'] }}\n"
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              "content": "=You are the \"Winning-Ad Generator,\" trained to write 3 ad copies designed for Meta or TikTok.\n\n🔹 Format: Hook + Benefits + Call to Action (Casual, benefit-driven, VoC language, fun emojis)\n🔹 Tone: Conversational, playful, Gen Z/Millennial-friendly\n🔹 Output: 3 ad variations, 60–90 words each\n\nHere’s the product info:\n- Product Name: {{ $json['Product Name'] }}\n- Description/Product link: {{ $json['Product Page Link'] }}\n- Target Audience: {{ $json['Target Audience'] }}\n- Pain Points: {{ $json['Pain Points'] }}\n- Unique Selling Point: {{ $json['USP - 1 liner'] }}\n- Optional Customer Review: {{ $json['Customer Review (optional)'] }}\n - Previous successful ads - {{ $json['\\'Proven Winners\\' Ad Samples'] }}\n - Competitors' successful ads - {{ $json['Ad Copies from Competitors'] }}\n - Research Brief and other information - {{ $json['Attach Research Brief and other references'] }}\nUse one of these hook styles for each ad:\n1. Testimonial lead\n2. Pain point or \"ditch the old way\"\n3. Demographic call-out\n\nInclude emojis. End with hype + CTA."
            }
          ]
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      "name": "フォーム送信時",
      "type": "n8n-nodes-base.formTrigger",
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      "webhookId": "24964cef-aba3-4c93-b56a-3be0af0448ae",
      "parameters": {
        "options": {},
        "formTitle": "Create Ad Copies",
        "formFields": {
          "values": [
            {
              "fieldType": "dropdown",
              "fieldLabel": "Brand Name",
              "fieldOptions": {
                "values": [
                  {
                    "option": "Fashion Brand"
                  },
                  {
                    "option": "Problem-Solution Brand"
                  }
                ]
              },
              "requiredField": true
            },
            {
              "fieldType": "file",
              "fieldLabel": "Attach Research Brief and other references",
              "requiredField": true
            },
            {
              "fieldLabel": "Product Name",
              "requiredField": true
            },
            {
              "fieldLabel": "Product Page Link",
              "placeholder": "Paste product page link here",
              "requiredField": true
            },
            {
              "fieldType": "textarea",
              "fieldLabel": "Target Audience",
              "requiredField": true
            },
            {
              "fieldType": "textarea",
              "fieldLabel": "Pain Points"
            },
            {
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              "fieldLabel": "USP - 1 liner",
              "requiredField": true
            },
            {
              "fieldType": "textarea",
              "fieldLabel": "Customer Review (optional)"
            },
            {
              "fieldType": "textarea",
              "fieldLabel": "'Proven Winners' Ad Samples",
              "requiredField": true
            },
            {
              "fieldType": "textarea",
              "fieldLabel": "Ad Copies from Competitors",
              "requiredField": true
            }
          ]
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        "formDescription": "Create Winning Ad copies in seconds!"
      },
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    },
    {
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      "webhookId": "0859d0d9-69c7-41a3-b3ea-206adce81ecc",
      "parameters": {
        "select": "channel",
        "message": "=Suggested Ad Copies for {{ $('On form submission').item.json['Product Name'] }} of {{ $('On form submission').item.json['Brand Name'] }}\n\n{{ $json.message.content }}",
        "options": {},
        "channelId": {
          "__rl": true,
          "mode": "list",
          "value": ""
        },
        "operation": "sendAndWait",
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            "disapproveLabel": "Try again!"
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              },
              "leftValue": "={{ $json.data.approved }}",
              "rightValue": "approved"
            }
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    },
    {
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      "name": "Slack: 広告コピー承認完了",
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      "webhookId": "973a98d6-4d56-4d76-bc19-0d48363622bf",
      "parameters": {
        "text": "Congratulations! You now have your Ad Copies for {{ $('On form submission').item.json['Product Name'] }} of {{ $('On form submission').item.json['Brand Name'] }}",
        "select": "channel",
        "channelId": {
          "__rl": true,
          "mode": "list",
          "value": ""
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    {
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      "name": "Slack: 修正フィードバック受信",
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      ],
      "webhookId": "b4de3f96-ca54-4a1d-ae13-2a8dc673b2ae",
      "parameters": {
        "select": "channel",
        "message": "Alright! Can you give us some feedback on the ad copies - what is off, what should be changed etc. and we will pass it to chatgpt? Click Respond now!",
        "options": {},
        "channelId": {
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          "mode": "list",
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        },
        "operation": "sendAndWait",
        "responseType": "freeText"
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    {
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      "name": "OpenAI: 広告コピー修正",
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      "parameters": {
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        "options": {},
        "messages": {
          "values": [
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              "content": "=The initial batch of ad copies for {{ $('If: Type of Brand').item.json['Product Name'] }} of {{ $('If: Type of Brand').item.json['Brand Name'] }} is NOT APPROVED. Our head of marketing is requesting for revision. \n\nHere's the feedback - {{ $json.data.text }}\n\nUse that feedback to generate another batch of 3-5 ad copies.\n\nYou may need the data previously influded on the initial ad request. Here you go:\nInitial Ad copies that needs to be revised - {{\n  $('For Fashion Brands').item?.json?.message?.content || \n  $('For Problem Solution Brands').item?.json?.message?.content\n}}\n\nProduct: {{ $('If: Type of Brand').item.json['Product Name'] }} of {{ $('If: Type of Brand').item.json['Brand Name'] }}\nProduct Link: {{ $('If: Type of Brand').item.json['Product Page Link'] }}\nTarget Audience: {{ $('If: Type of Brand').item.json['Target Audience'] }}\nPain Points: {{ $('If: Type of Brand').item.json['Pain Points'] }}\nUSP:{{ $('If: Type of Brand').item.json['USP - 1 liner'] }}\nCustomer Review: {{ $('If: Type of Brand').item.json['Customer Review (optional)'] }}\nProven Winner Ads:{{ $('If: Type of Brand').item.json['\\'Proven Winners\\' Ad Samples'] }}\nCompetitor winning ads:{{ $('If: Type of Brand').item.json['Ad Copies from Competitors'] }}\nResearch and other notes: {{ $('If: Type of Brand').item.json['Attach Research Brief and other references'][0].filename }}\n\n"
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      "executeOnce": false,
      "typeVersion": 1.8,
      "alwaysOutputData": true
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    {
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      "name": "Slack: フィードバックへの感謝",
      "type": "n8n-nodes-base.slack",
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      ],
      "webhookId": "b93d20ef-3da7-42e9-9148-6a51e3528799",
      "parameters": {
        "text": "Thank you for your feedback... Currently working on the revisions...",
        "select": "channel",
        "channelId": {
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          "mode": "list",
          "value": ""
        },
        "otherOptions": {}
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              "operator": {
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              "leftValue": "={{ $json.data.approved }}",
              "rightValue": "approved"
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    },
    {
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      "webhookId": "d64e54b7-6ed5-468f-a155-76f5ed5b03c7",
      "parameters": {
        "select": "channel",
        "message": "=Here's the new version of Ad copies \n\n {{ $json.message.content }}",
        "options": {},
        "channelId": {
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          "mode": "list",
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        },
        "operation": "sendAndWait",
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            "disapproveLabel": "Try again!"
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              "name": "revisionCount",
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      "parameters": {
        "text": "Too many revisions! Sorry, I wont be able to help you anymore. Please check with ChatGPT or Claude. ",
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    {
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      "parameters": {
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        "content": "# AI Ad Copy Generator with Approval Workflow\n\nThis workflow automates ad copy creation using AI, with built-in team review via Slack.\n\n## Who's it for\nMarketing teams, copywriters, and agencies who need to quickly generate and iterate on ad copies for Meta and TikTok campaigns. Perfect for brands that want AI-powered copy generation with human review and approval built into the workflow.\n\n## What it does\n- Collects brand and product information through a form\n- Uses AI to generate tailored ad copies based on brand type (Fashion or Problem-Solution)\n- Sends copies to Slack for team review and approval\n- Handles revision requests with feedback incorporation\n- Limits revisions to 3 rounds to maintain efficiency\n\n## How to set up\n1. Configure your OpenAI credentials in the OpenAI nodes\n2. Select your preferred GPT model in each OpenAI node\n3. Set up Slack integration and select your review channel in all Slack nodes\n4. Test the form to ensure file uploads work properly\n5. Run a test with sample data before going live\n\n## Requirements\n- OpenAI API access (GPT-3.5 or GPT-4)\n- Slack workspace with appropriate channel permissions\n- Self-hosted n8n instance (for file upload functionality)\n\n## How to customize\n- Adjust the AI prompts in OpenAI nodes to match your brand voice\n- Modify the revision limit in the \"Edit Fields: Revision Counter Max 3\" node\n- Add additional brand types in the form dropdown\n- Customize Slack messages to match your team's communication style"
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        "content": "Step 1: Collect brand information and requirements"
      },
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    },
    {
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      "name": "付箋2",
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      "position": [
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      "parameters": {
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        "height": 80,
        "content": "Step 2: Generate initial ad copies based on brand type"
      },
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    },
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      "position": [
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      "parameters": {
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        "height": 80,
        "content": "Step 3: Team review and approval process"
      },
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    },
    {
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      "name": "付箋4",
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      "position": [
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      "parameters": {
        "color": 7,
        "height": 80,
        "content": "Step 4: Revision loop (max 3 iterations)"
      },
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    }
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