Generación de títulos/vírales y miniaturas

• •Pueden requerirse credenciales de autenticación para la API de destino
• •Clave de API de OpenAI

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  "name": "Viral Title/Thumbnail Generation",
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      "position": [
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      "parameters": {
        "jsonSchemaExample": "{\n\t\"Keyword1\": \"string\",\n\t\"Keyword2\": \"string\",\n    \"Keyword3\": \"string\"\n}"
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      "parameters": {
        "text": "=You are a YouTube content strategist. The input of the request is the following content idea :  {{ $json.query }}",
        "messages": {
          "messageValues": [
            {
              "type": "HumanMessagePromptTemplate",
              "message": "=Given a content idea, extract **three keyword phrases** (1–5 words each) that are: \n- Highly relevant for a YouTube search \n- Based on what people would realistically search for \n- Focused on *actions*, *techniques*, or *tools* not just literal parts of the content idea \n- Avoid abstract or vague terms that would not return good search results  \n\nExample:  \nContent Idea: \"Turn a Zoom call into a viral TikTok\" \nOutput: \n1. \"zoom to tiktok edit\" \n2. \"short form video from meetings\"  \n\nReturn ONLY the three keyword phrases, no explanation."
            }
          ]
        },
        "promptType": "define",
        "hasOutputParser": true
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      "typeVersion": 1.5
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    {
      "id": "B-squeda-y-Extracci-n-de-YTB-5",
      "name": "Búsqueda y Extracción de YTB",
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      ],
      "parameters": {
        "url": "https://api.apify.com/v2/acts/streamers~youtube-scraper/runs?token=[YOUR_API_TOKEN]",
        "method": "POST",
        "options": {},
        "jsonBody": "={\n    \"dateFilter\": \"year\",\n    \"lengthFilter\": \"between420\",\n    \"maxResults\": 10,\n    \"searchQueries\": [\n        \"{{ $json.output.Keyword1 }}\",\n        \"{{ $json.output.Keyword2 }}\",\n        \"{{ $json.output.Keyword3 }}\"\n    ],\n    \"sortingOrder\": \"relevance\"\n} ",
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    {
      "id": "Obtener-Conjunto-de-Datos-6",
      "name": "Obtener Conjunto de Datos",
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      ],
      "parameters": {
        "url": "https://api.apify.com/v2/acts/streamers~youtube-scraper/runs/last/dataset/items?token=[YOUR_API_TOKEN]",
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "Modelo-de-Chat-en-la-Nube-Mistral-7",
      "name": "Modelo de Chat en la Nube Mistral",
      "type": "@n8n/n8n-nodes-langchain.lmChatMistralCloud",
      "position": [
        -240,
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      ],
      "parameters": {
        "model": "mistral-large-latest",
        "options": {}
      },
      "credentials": {
        "mistralCloudApi": {
          "id": "",
          "name": "Mistral Cloud account"
        }
      },
      "typeVersion": 1
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    {
      "id": "Si-8",
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                "type": "string",
                "operation": "equals"
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              "leftValue": "={{ $json.data.status }}",
              "rightValue": "SUCCEEDED"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "Verificar-Si-Est-Completado-9",
      "name": "Verificar Si Está Completado",
      "type": "n8n-nodes-base.httpRequest",
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        680,
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      ],
      "parameters": {
        "url": "https://api.apify.com/v2/acts/streamers~youtube-scraper/runs/last?token=[YOUR_API_TOKEN]",
        "options": {}
      },
      "typeVersion": 4.2
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    {
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          "name": "Mistral Cloud account"
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    {
      "id": "Calcular-CTR-12",
      "name": "Calcular CTR",
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      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "const views = $json.viewCount;\nconst subscribers = $json.numberOfSubscribers;\nconst likes = $json.likes;\nconst comments = $json.commentsCount;\nconst publishedAt = $json.date;// ISO string, e.g. \"2024-05-01T12:00:00Z\"\n\n// Defensive check for missing values\nif (!views || !subscribers || !publishedAt) {\n  return { error: \"Missing required data\" };\n}\n\n// Parse dates\nconst publishedDate = new Date(publishedAt);\nconst now = new Date();\n\n// Validate dates\nif (isNaN(publishedDate.getTime())) {\n  return { error: \"Invalid publishedAt date\" };\n}\n\n// Calculate days since upload\nconst msPerDay = 1000 * 60 * 60 * 24;\nconst timeDiff = now.getTime() - publishedDate.getTime();\nconst daysSinceUpload = Math.floor(timeDiff / msPerDay);\n\n// Compute RPI\nconst rpi = (views / subscribers) * ((likes + comments) / views / 10);\n\n// Apply temporal decay factor\nconst decayFactor = Math.exp(-0.015 * daysSinceUpload);\nconst rpiAdjusted = rpi * decayFactor;\n\n// Calculate Pseudo CTR\nconst ctrScore = rpiAdjusted * 100;\n\nreturn {\n   ctrPercent: parseFloat(ctrScore.toFixed(3)), // ← Your CTR-style %\n};\n"
      },
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      "name": "Combinar Datos",
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        "mode": "combine",
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        "combineBy": "combineByPosition"
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      "typeVersion": 3
    },
    {
      "id": "Crear-T-tulos-14",
      "name": "Crear Títulos",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
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        -240
      ],
      "parameters": {
        "text": "=You are an expert in YouTube video title optimization.",
        "messages": {
          "messageValues": [
            {
              "type": "HumanMessagePromptTemplate",
              "message": "={{ $json.text }}"
            }
          ]
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 1.5
    },
    {
      "id": "Modelo-de-Chat-en-la-Nube-Mistral2-15",
      "name": "Modelo de Chat en la Nube Mistral2",
      "type": "@n8n/n8n-nodes-langchain.lmChatMistralCloud",
      "position": [
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      ],
      "parameters": {
        "model": "mistral-large-latest",
        "options": {}
      },
      "credentials": {
        "mistralCloudApi": {
          "id": "",
          "name": "Mistral Cloud account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "Analizador-de-Salida-Estructurada1-16",
      "name": "Analizador de Salida Estructurada1",
      "type": "@n8n/n8n-nodes-langchain.outputParserStructured",
      "position": [
        3340,
        20
      ],
      "parameters": {
        "jsonSchemaExample": "{\n  \"title1\": \"string\",\n  \"title2\": \"string\",\n  \"title3\": \"string\",\n  \"title4\": \"string\",\n  \"title5\": \"string\"\n}"
      },
      "typeVersion": 1.2
    },
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      "name": "Nota Adhesiva",
      "type": "n8n-nodes-base.stickyNote",
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      "parameters": {
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        "height": 320,
        "content": "## How this is Working ?\n**1 -** Enter your content idea in the Edit Fields node in a \"raw\" format. Ex : Boil Eggs Perfectly\n**2 -** LLM create 3 keywords request based on the idea and Apify scrape the YTB Search\n**3 -** Wait until the dataset is completed in Apify\n**4 -** Retrieve Dataset from Apify, calculate approximation of CTR and filter top performing videos\n**5 -** LLM analyze patterns of best performing titles and create a prompt based on it. Another LLM create 5 titles based on these criteria\n**6 -** LLM analyze patterns of best performing thumbnails and create a prompt based on it. Another LLM create 1 thumbnail based on these criteria\n**7 -** Return titles and thumbnail in a HTML Page\n\n\n**📺 Youtube Video Tutorial : https://youtu.be/Upuj9Pi94g0**\n**🛠️ Need Help with Your Workflows ? https://tally.so/r/wayeqB**\n**👨‍💻 More Workflows : https://n8n.io/creators/nasser/**"
      },
      "typeVersion": 1
    },
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      "parameters": {
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        "content": "## SETUP\n\n**Setup Input Content Idea :** Enter Keyword Related to the niche you want. Trigger can be replaced with anything as long as you retrieve a content idea. For example : Form submission, Database entry, etc ...\n\nIf you want to change the number of keywords, update the data accordingly in the \"Create Keywords\" LLM Chain node ➡️ Structured Output Parser AND in the \"YTB Search Scrape\" HTTP Request Node in Body ➡️ JSON ➡️ searchQueries.\nIf you want to change the number of scraped videos for each keyword, update the data accordingly in the \"Create Videos Dataset\" HTTP Request Node in Body ➡️ JSON ➡️ maxResults.\nIf you want to adjust the CTR Calculation feel free to update it in the Code Node ➡️ Follow the Comments (after \"//\") to find what you're looking for.\nIf you want to adjust the level of virality of the videos kept for analaysis go to Filter Node ➡️ Value.\n\n**Setup Output HTML Page :** You can also replace this part with any type of storage. For example : Airtable Database, Google Drive/Google Sheet, Send to an email, etc ...\n\n**APIs :** For the following third-party integrations, replace [YOUR_API_TOKEN] with your API Token or connect your account via Client ID / Secret to your n8n instance :\n- Apify : https://docs.apify.com/api/v2/getting-started \n- OpenAI : https://platform.openai.com/docs/overview (base URL : https://api.openai.com/v1) OR OpenRouter : https://openrouter.ai/docs/quickstart (base URL : https://openrouter.ai/api/v1)\n- HuggingFace (FLUX.1) : https://huggingface.co/docs"
      },
      "typeVersion": 1
    },
    {
      "id": "Idea-de-Contenido-19",
      "name": "Idea de Contenido",
      "type": "n8n-nodes-base.set",
      "position": [
        -460,
        20
      ],
      "parameters": {
        "mode": "raw",
        "options": {},
        "jsonOutput": "{\n  \"query\": \"create viral title and thumbnail in n8n\"\n}"
      },
      "typeVersion": 3.4
    },
    {
      "id": "Crear-Lista-de-T-tulos-20",
      "name": "Crear Lista de Títulos",
      "type": "n8n-nodes-base.code",
      "position": [
        2380,
        -240
      ],
      "parameters": {
        "jsCode": "const titles = items.map(item => item.json.title);\nreturn [{ json: { titles } }];"
      },
      "typeVersion": 2
    },
    {
      "id": "HTML-21",
      "name": "HTML",
      "type": "n8n-nodes-base.html",
      "position": [
        3800,
        40
      ],
      "parameters": {
        "html": "<!DOCTYPE html>\n\n<html>\n<head>\n  <meta charset=\"UTF-8\" />\n  <title>My HTML document</title>\n</head>\n<body>\n  <div class=\"container\">\n    <h1>Thumbnail</h1>\n    <img src=\"data:image/png;base64,{{ $('Convert to Base64').first().json.data }}\" />\n    <h3>Titles</h3>\n    <p>1. {{ $json.output.title1 }}<br>2. {{ $json.output.title2 }}<br>3. {{ $json.output.title3 }}<br>4. {{ $json.output.title4 }}<br>5. {{ $json.output.title5 }}</p>\n  </div>\n</body>\n</html>\n\n<style>\n.container {\n  background-color: #ffffff;\n  text-align: center;\n  padding: 16px;\n  border-radius: 8px;\n}\n\nh1 {\n  color: #ff6d5a;\n  font-size: 24px;\n  font-weight: bold;\n  padding: 8px;\n}\n\nh2 {\n  color: #909399;\n  font-size: 18px;\n  font-weight: bold;\n  padding: 8px;\n}\n</style>\n\n<script>\nconsole.log(\"Hello World!\");\n</script>"
      },
      "typeVersion": 1.2
    },
    {
      "id": "Iterar-Sobre-Elementos-22",
      "name": "Iterar Sobre Elementos",
      "type": "n8n-nodes-base.splitInBatches",
      "position": [
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        520
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 3
    },
    {
      "id": "Analizar-Imagen-23",
      "name": "Analizar Imagen",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        2500,
        540
      ],
      "parameters": {
        "text": "=You are an expert in YouTube thumbnail performance. Your job is to analyze why a thumbnail might be performing well and describe it precisely so a designer or AI can later recreate its essence.\n\nYou will receive:\n- The subject of the video : {{ $('Content Idea').first().json.query }}\n- The URL of the thumbnail image : {{ $json.thumbnailUrl }}\n\nYour goal:\n1. Analyze the thumbnail's visual elements (faces, text, colors, emotions, layout, contrast, focus, etc.)\n2. Identify what makes it visually compelling or attention-grabbing\n3. Relate your analysis back to the video’s subject\n4. Return a structured and precise description of the thumbnail that could be reused to generate a similar performing image.\n\nRespond only with the description. Do not add anything else.",
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "meta-llama/llama-3.2-11b-vision-instruct:free",
          "cachedResultName": "META-LLAMA/LLAMA-3.2-11B-VISION-INSTRUCT:FREE"
        },
        "options": {},
        "resource": "image",
        "simplify": false,
        "imageUrls": "={{ $json.thumbnailUrl }}",
        "operation": "analyze"
      },
      "credentials": {
        "openAiApi": {
          "id": "",
          "name": "OpenAi account 2"
        }
      },
      "typeVersion": 1.8
    },
    {
      "id": "Esperar3-24",
      "name": "Esperar3",
      "type": "n8n-nodes-base.wait",
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      ],
      "parameters": {},
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    },
    {
      "id": "Modelo-de-Chat-en-la-Nube-Mistral3-26",
      "name": "Modelo de Chat en la Nube Mistral3",
      "type": "@n8n/n8n-nodes-langchain.lmChatMistralCloud",
      "position": [
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      "parameters": {
        "model": "mistral-large-latest",
        "options": {}
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          "id": "",
          "name": "Mistral Cloud account"
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      },
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    },
    {
      "id": "Crear-Prompt-27",
      "name": "Crear Prompt",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
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      "parameters": {
        "text": "You are an expert visual prompt engineer.",
        "messages": {
          "messageValues": [
            {
              "type": "HumanMessagePromptTemplate",
              "message": "=You are an expert visual prompt engineer.\n\nYou are given several thumbnail analysis texts, each describing what made a YouTube thumbnail visually engaging and effective. \n\nData for you : \n- The Content Idea : {{ $('Content Idea').first().json.query }}\n- The Analysis of performing Thumbnails for this idea : {{ $json.analysis}}\n\n\nYour job is to:\n1. **Summarize the most common and impactful visual elements** across all analyses.\n2. **Generate one precise image prompt** that captures the best-performing elements, ready to be used with an image generation model (like DALL·E, Midjourney, or Stable Diffusion).\nMandatory : \n- Maximum 400 characters (including spaces and punctuations) !\n- When generating the prompt text, make sure that any double quotes within the string are escaped using a backslash (\\\") so that the final output can be safely included in a JSON object.\n\n📥 Input: A list of thumbnail descriptions and visual analyses.\n🎯 Goal: One image prompt that includes clear guidance on:\n- Subject placement and expression\n- Colors and contrast\n- Text style or layout (if any)\n- Graphic or visual elements\n- Overall layout or composition\n- Mood or tone (e.g. excitement, curiosity, professionalism)\n\n⚠️ Don't describe what you’re doing. Just output the final image prompt.\n\n📌 Example output format:\nA high-contrast YouTube thumbnail with a confident man on the right side, bold yellow text on the left saying \"AI SECRETS\", a dark tech-themed background, and digital data stream effects in the back — cinematic lighting, 16:9 composition."
            }
          ]
        },
        "promptType": "define"
      },
      "typeVersion": 1.5
    },
    {
      "id": "Crear-Lista-de-An-lisis-28",
      "name": "Crear Lista de Análisis",
      "type": "n8n-nodes-base.code",
      "position": [
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      ],
      "parameters": {
        "jsCode": "const analysis = items.map(item => item.json.choices[0].message.content);\n\nreturn [\n  {\n    json: {\n      analysis\n    }\n  }\n];\n"
      },
      "typeVersion": 2
    },
    {
      "id": "Generar-Imagen-29",
      "name": "Generar Imagen",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        3120,
        280
      ],
      "parameters": {
        "url": "https://api-inference.huggingface.co/models/black-forest-labs/FLUX.1-dev",
        "method": "POST",
        "options": {
          "response": {
            "response": {
              "responseFormat": "file"
            }
          }
        },
        "jsonBody": "={\n  \"inputs\":\"{{ $json.text }}\",\n  \"parameters\": {\n    \"height\": 720,\n    \"width\": 1280,\n    \"num_inference_steps\": 30,\n    \"guidance_scale\": 8.0\n  }\n}\n",
        "sendBody": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "Bearer [YOUR_API_TOKEN]"
            },
            {
              "name": "Accept",
              "value": "image/png"
            },
            {
              "name": "Content-Type",
              "value": "application/json"
            }
          ]
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "Convertir-a-Base64-30",
      "name": "Convertir a Base64",
      "type": "n8n-nodes-base.extractFromFile",
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      "parameters": {
        "options": {
          "encoding": "base64"
        },
        "operation": "binaryToPropery"
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      "typeVersion": 1
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        "content": "## 1- Input\nEnter your content idea in the Edit Fields node in a \"raw\" format. Ex : Boil Eggs Perfectly"
      },
      "typeVersion": 1
    },
    {
      "id": "Nota-Adhesiva4-32",
      "name": "Nota Adhesiva4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      "parameters": {
        "color": 7,
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        "height": 480,
        "content": "## 2- Create DataSet\nLLM create 3 keywords request based on the idea and Apify scrape the YTB Search"
      },
      "typeVersion": 1
    },
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      "name": "Nota Adhesiva5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      "parameters": {
        "color": 7,
        "width": 680,
        "height": 520,
        "content": "## 3 - Wait for DataSet Completion\nWait until the dataset is completed in Apify"
      },
      "typeVersion": 1
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      "parameters": {
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        "content": "## 4- Filter Performing Videos\nRetrieve Dataset from Apify, calculate approximation of CTR and filter top performing videos"
      },
      "typeVersion": 1
    },
    {
      "id": "Nota-Adhesiva7-35",
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        "content": "## 6- Generate Thumbnail\nLLM analyze patterns of best performing thumbnails and create a prompt based on it. Another LLM create 1 thumbnail based on these criteria"
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        "content": "## 7- Output\nReturn titles and thumbnail in a HTML Page"
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              "message": "=You will be given a list of YouTube video titles that ranked highly for a specific keyword or topic. For information the topic of the video is : {{ $('Content Idea').first().json.query }}\nYour task is to:  \n1. Analyze the title list for patterns, such as:  \n- Repeating structures or formats (e.g., “How to…”, “Top X…”, “This Changed Everything”)  \n- Use of numbers, brackets, capital letters, emotional hooks, urgency, etc.  \n- Word combinations or topic angles (e.g., “AI Automation for Creators” vs. “Build AI Tools with No Code”)  \n2. Summarize what makes these titles effective (mandatory : be as precise as possible in 5-15 points). \n3. Based on your analysis, generate a prompt for another AI language model. This prompt will instruct the second model to generate new YouTube titles for the same keyword/topic, using the same high-performing structure, tone, and techniques.  \n\n⚠️ Make sure the new prompt:  \n- Clearly instructs the LLM to follow identified title patterns.  - Tells it to generate clickable, short, high-performing YouTube titles. \n- Avoids common spammy phrasing or clickbait that doesn’t match the original tone.  \n\n✅ Format your response like this:\nPATTERN SUMMARY:\n- Point 1\n- Point 2\n- Point 3\n\nPROMPT:\n\"Create 5 YouTube video titles about [TOPIC] using the following format:\n- [Insert pattern or tone summary]\n- Each title should be under 60 characters, engaging, and based on the provided structure.\"\n\n📥 Example Input (titles):\n- 5 AI Tools That Will Replace Your Job in 2025\n- The Best No-Code AI Tool You’re Not Using Yet\n- I Built an AI Business with $0 (Full Tutorial)\n- How to Automate Everything with AI Agents\n- This Free AI Tool Blew My Mind\n\n🧠 Expected Output:\nPATTERN SUMMARY:\n- Uses emotional triggers like fear or curiosity (“Replace Your Job”, “Blew My Mind”)\n- Often includes numbers or power words (“5 Tools”, “Best”, “Free”)\n- Many titles promise results or value (“Full Tutorial”, “Automate Everything”)\n\nPROMPT:\n\"Create 5 YouTube video titles about AI automation tools for solo creators using this format:\n- Include emotional or curiosity-based phrases\n- Use numbers or power words when relevant\n- Promise a clear value or benefit in the title\nEach title should be under 60 characters and match the tone of the top-ranking videos.\"\n"
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