LinkedIn内容工厂（含OpenAI研究与品牌图像生成）
高级
这是一个Social Media, Multimodal AI领域的自动化工作流，包含 23 个节点。主要使用 If, Set, Code, Wait, LinkedIn 等节点。 LinkedIn内容工厂，集成OpenAI研究与Replicate品牌图像生成
前置要求
- •LinkedIn API 凭证
- •可能需要目标 API 的认证凭证
- •Google Sheets API 凭证
- •OpenAI API Key
使用的节点 (23)
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"meta": {
"instanceId": "cb5caf45c9475b848c7e83772505bb02340e165acdd8de77e25011192306257c",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "2c1594d5-e16b-440a-8c27-e000a63584f8",
"name": "OpenAI 聊天模型",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-1488,
464
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4.1-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "7ZvT0NzDJ8AjFf1B",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "755d6c54-06e7-41ff-8d4b-30c3e40a5797",
"name": "SerpAPI",
"type": "@n8n/n8n-nodes-langchain.toolSerpApi",
"position": [
-1344,
464
],
"parameters": {
"options": {}
},
"credentials": {
"serpApi": {
"id": "fsYDQHJc0bzoMnvz",
"name": "SerpAPI OP"
}
},
"typeVersion": 1
},
{
"id": "e9b499b6-258f-41f9-9571-198194aebdd5",
"name": "SerpAPI1",
"type": "@n8n/n8n-nodes-langchain.toolSerpApi",
"position": [
-1904,
480
],
"parameters": {
"options": {}
},
"credentials": {
"serpApi": {
"id": "fsYDQHJc0bzoMnvz",
"name": "SerpAPI OP"
}
},
"typeVersion": 1
},
{
"id": "bf080aa1-0c97-4645-8acc-48b990efad08",
"name": "OpenAI 聊天模型1",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-2080,
464
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4.1-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "7ZvT0NzDJ8AjFf1B",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "53c9d576-d12a-4996-bf38-656790002255",
"name": "编辑字段",
"type": "n8n-nodes-base.set",
"position": [
1088,
192
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "0abb508c-1bca-4e53-a85e-8bcc223f0365",
"name": "topic",
"type": "string",
"value": "={{ $node[\"4. Generate Branded Image Prompt\"].json.title }}"
},
{
"id": "fb39379c-0ae3-4d6d-81ca-c7fdf26616e2",
"name": "text",
"type": "string",
"value": "={{ $node[\"4. Generate Branded Image Prompt\"].json.text }}"
},
{
"id": "5b01a54d-215f-4d0a-9c9a-4b2a9fc10013",
"name": "hashtags",
"type": "string",
"value": "={{ $node[\"4. Generate Branded Image Prompt\"].json.hashtags }}"
},
{
"id": "060ce06e-55a3-4c63-a642-e3a0af572ddd",
"name": "imageUrl",
"type": "string",
"value": "={{ $('6. Download Generated Image').item.json.output }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "64c5c53e-e326-4949-a058-95ab5f777edd",
"name": "如果",
"type": "n8n-nodes-base.if",
"position": [
-112,
208
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "ab549fdc-dde3-4bb0-ab38-3635335c5680",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.status }}",
"rightValue": "=succeeded"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "1e63915c-8b5a-4c7e-ad32-4472d9d08193",
"name": "当点击\"执行工作流\"时",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-2640,
208
],
"parameters": {},
"typeVersion": 1
},
{
"id": "2b6f8dec-90b7-4bc0-92b2-0742a9788300",
"name": "等待",
"type": "n8n-nodes-base.wait",
"position": [
432,
368
],
"webhookId": "806a4ae8-c544-42a5-a0c4-3b2e8dba45b3",
"parameters": {
"amount": 2
},
"typeVersion": 1.1
},
{
"id": "d73df605-2db0-4d19-888a-8c0aaf096a5e",
"name": "结构化输出解析器",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
-1728,
464
],
"parameters": {
"jsonSchemaExample": "{\n \"selected_topic\": \"string\",\n \"research_data\": \"detailed info with sources\",\n \"engagement_score\": \"1-10 rating\"\n} "
},
"typeVersion": 1.3
},
{
"id": "3f6e8d03-23ba-4e78-9176-14eb2b0ed2d9",
"name": "结构化输出解析器1",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
-1184,
464
],
"parameters": {
"jsonSchemaExample": "{\n \"title\": \"Catchy title\",\n \"text\": \"Main post content\", \n \"hashtags\": [\"#AI\", \"#Automation\"],\n \"engagement_elements\": \"hooks, questions, CTAs\"\n}"
},
"typeVersion": 1.3
},
{
"id": "d8523615-74aa-4233-a9a7-b76dfa86ecd0",
"name": "1. 从 Google Sheets 获取待处理主题",
"type": "n8n-nodes-base.googleSheets",
"position": [
-2304,
208
],
"parameters": {
"options": {
"returnFirstMatch": false
},
"filtersUI": {
"values": [
{
"lookupValue": "Pending",
"lookupColumn": "Status"
}
]
},
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1YbdujYtvaupBhQ0Aiwt8AKsswLAuge3n0cf6nqdiWcg/edit#gid=0",
"cachedResultName": "Sayfa1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1YbdujYtvaupBhQ0Aiwt8AKsswLAuge3n0cf6nqdiWcg",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1YbdujYtvaupBhQ0Aiwt8AKsswLAuge3n0cf6nqdiWcg/edit?usp=drivesdk",
"cachedResultName": "Linkedin"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "df8r9D022KIAOHTC",
"name": "Google Sheets account"
}
},
"typeVersion": 4.7
},
{
"id": "8cb80dcb-e0e4-4776-9289-bc7564730707",
"name": "2. 研究主题并使用 AI 寻找病毒式传播角度",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-1936,
208
],
"parameters": {
"text": "=Search for the most engaging and viral AI automation topic from the following sheet data: {{ $json.Topic }} . \n\nFind 3 recent developments, trends, or news that would:\n1. Generate high engagement on LinkedIn\n2. Be relevant to business professionals \n3. Have strong search potential\n\nReturn ONLY a JSON object with:\n{\n \"selected_topic\": \"string\",\n \"research_data\": \"detailed info with sources\",\n \"engagement_score\": \"1-10 rating\"\n} ",
"options": {
"systemMessage": "You are a highly specialized researcher and content creator. Your area of expertise is strictly limited to recent developments in artificial intelligence, machine learning models, and automation technologies. Your primary goal is to find trending topics within this specific domain.\n"
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 2.2
},
{
"id": "c13fc205-ea81-48bb-b42c-b2b8fabbb783",
"name": "3. 使用 AI 生成 LinkedIn 帖子内容",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-1408,
208
],
"parameters": {
"text": "=Create a complete LinkedIn post from this research: {{ $json.output.research_data }}\n\nRequirements:\n- 150-250 words\n- Include 3-5 relevant hashtags \n- Add engaging hook\n- Professional tone\n- Include call-to-action\n\nSTRICT JSON OUTPUT:\n{\n \"title\": \"Catchy title\",\n \"text\": \"Main post content\", \n \"hashtags\": [\"#AI\", \"#Automation\"],\n \"engagement_elements\": \"hooks, questions, CTAs\"\n}",
"options": {
"systemMessage": "You are a professional content creator and researcher for a leading technology and automation brand. Your task is to use your search tools to find information on a given topic, and then generate a complete LinkedIn post based on your findings. All outputs must be in fluent and professional English and strictly follow the requested JSON format.\n"
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 2.2
},
{
"id": "ee1c04cd-bfbc-4694-8abf-230f980a5bcd",
"name": "4. 生成品牌化图片提示",
"type": "n8n-nodes-base.code",
"position": [
-1056,
208
],
"parameters": {
"jsCode": "// Get the output string from the previous AI Agent node.\nconst parsedData = $json.output;\n\n// Parse the JSON string into a JavaScript object.\n\n\n// Define the fixed image style guide with RAL codes.\nconst fixedImageStyleDetails = `\n Style: Cinematic, highly detailed, professional, sleek, modern.\n Composition: Minimalist, concept-driven, abstract elements representing technology and AI. Avoid literal depictions.\n Color Palette:\n - Dominant Background Color: Grainy dark grey (RAL 7016 - Anthracite Grey).\n - Main Element Color: Light grey (RAL 7035 - Light Grey).\n - Highlight / Accent Color: Vibrant bright red (RAL 3020 - Traffic Red), used for key elements to draw attention.\n Lighting: Emphasize studio lighting with sharp focus, creating subtle shadows and reflections.\n Texture: Slightly textured, metallic or matte finishes where appropriate.\n Output Format: High-resolution, suitable for professional social media platforms (e.g., LinkedIn).\n`;\n\n// Create the final image prompt by combining the dynamic content and the fixed style guide.\nconst imagePrompt = `\n Create a visually striking and professional image that effectively represents the core message of a LinkedIn post.\n The post is titled \"${parsedData.title}\" and its content discusses: \"${parsedData.text}\".\n The image should evoke themes of modern technology, artificial intelligence, and innovation.\n All images must strictly adhere to the following style guide for aesthetic consistency:\n ${fixedImageStyleDetails}\n`;\n\n// Return a single object with all the necessary data for the next steps.\n// This includes all the original parsed data and the new image prompt.\nreturn [{\n json: {\n title: parsedData.title,\n text: parsedData.text,\n hashtags: parsedData.hashtags,\n imagePrompt: imagePrompt\n }\n}];"
},
"typeVersion": 2
},
{
"id": "1d46afb2-9e14-4ef3-8a01-7dce0a587e95",
"name": "4.1. 生成品牌化图片提示",
"type": "n8n-nodes-base.code",
"position": [
-832,
208
],
"parameters": {
"jsCode": "// Get the parsed data from the previous node.\nconst postTitle = $json.title;\nconst postText = $json.text;\n\n// A professional style guide to ensure visual consistency.\nconst styleGuide = \"Cinematic, highly detailed, professional, sleek, modern, photorealistic. Color Palette: Dominant background is grainy dark grey (RAL 7016). Main elements are light grey (RAL 7035). Highlights are vibrant bright red (RAL 3020). Lighting: Studio lighting, sharp focus, subtle shadows. Composition: Minimalist, abstract, concept-driven.\";\n\n// Extract keywords from the post text to add to the prompt.\n// This is a simple keyword extraction. A more complex function could be used here.\nconst keywords = postText.split(/[,\\s.!?:]+/).filter(word => word.length > 3).slice(0, 10).join(', ');\n\n// Construct the final, optimized prompt.\nconst imagePrompt = `${styleGuide} A conceptual image for a LinkedIn post. The topic is \"${postTitle}\". Key concepts include: ${keywords}.`;\n\n// Return the new, refined prompt.\nreturn [{\n json: {\n imagePrompt: imagePrompt\n }\n}];"
},
"typeVersion": 2
},
{
"id": "243ff9e4-dca7-4826-8a31-71a89188efd8",
"name": "5a. 开始图片生成 (Replicate)",
"type": "n8n-nodes-base.httpRequest",
"position": [
-608,
208
],
"parameters": {
"url": "https://api.replicate.com/v1/models/black-forest-labs/flux-1.1-pro-ultra/predictions",
"method": "POST",
"options": {},
"jsonBody": "={{ \n {\n \"input\": {\n \"raw\": false,\n \"prompt\": $json.imagePrompt,\n \"aspect_ratio\": \"3:2\",\n \"output_format\": \"jpg\",\n \"safety_tolerance\": 2,\n \"image_prompt_strength\": 0.1\n }\n }\n}}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Prefer",
"value": "wait"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"id": "QqvLajsfalElbyDM",
"name": "Replicate"
}
},
"typeVersion": 4.2
},
{
"id": "804ee2af-53cb-4ef0-b778-661f7e3783ef",
"name": "5b. 检查图片状态",
"type": "n8n-nodes-base.httpRequest",
"position": [
-352,
208
],
"parameters": {
"url": "=https://api.replicate.com/v1/predictions/{{ $json.id }}",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "QqvLajsfalElbyDM",
"name": "Replicate"
}
},
"typeVersion": 4.2
},
{
"id": "d0479474-a74a-4652-bc71-5a2e03cde61d",
"name": "6. 下载生成的图片",
"type": "n8n-nodes-base.httpRequest",
"position": [
560,
192
],
"parameters": {
"url": "={{ $json.output }}",
"options": {
"response": {
"response": {
"responseFormat": "file"
}
}
}
},
"typeVersion": 4.2
},
{
"id": "01b0ed84-3584-4764-8663-7e5736ba7b19",
"name": "7. 发布帖子到 LinkedIn",
"type": "n8n-nodes-base.linkedIn",
"position": [
816,
192
],
"parameters": {
"text": "={{ $('4. Generate Branded Image Prompt').item.json.title }} \\n\\n {{ $('4. Generate Branded Image Prompt').item.json.text }} \\n\\n {{ $('4. Generate Branded Image Prompt').item.json.hashtags.join(' ') }}",
"additionalFields": {},
"shareMediaCategory": "IMAGE"
},
"credentials": {
"linkedInOAuth2Api": {
"id": "emWccvtIf4WWk42E",
"name": "LinkedIn account"
}
},
"typeVersion": 1
},
{
"id": "1c61f258-fad8-4b50-a1f3-3b5fa76f9df3",
"name": "8. 更新 Google Sheets",
"type": "n8n-nodes-base.googleSheets",
"position": [
1312,
192
],
"parameters": {
"columns": {
"value": {
"text": "={{ $json.text }}",
"Topic": "={{ $json.topic }}",
"Status": "done",
"hashtags": "={{ $json. hashtags }}",
"imageUrl": "={{ $json. imageUrl }}"
},
"schema": [
{
"id": "Topic",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Topic",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Status",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Status",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "text",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "text",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "hashtags",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "hashtags",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "imageUrl",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "imageUrl",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"Topic"
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "appendOrUpdate",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1YbdujYtvaupBhQ0Aiwt8AKsswLAuge3n0cf6nqdiWcg/edit#gid=0",
"cachedResultName": "Linkedin Post"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1YbdujYtvaupBhQ0Aiwt8AKsswLAuge3n0cf6nqdiWcg",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1YbdujYtvaupBhQ0Aiwt8AKsswLAuge3n0cf6nqdiWcg/edit?usp=drivesdk",
"cachedResultName": "Linkedin"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "df8r9D022KIAOHTC",
"name": "Google Sheets account"
}
},
"typeVersion": 4.7
},
{
"id": "f280ce23-a994-4181-a5eb-1c6ef6822d5f",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3168,
96
],
"parameters": {
"width": 448,
"height": 640,
"content": "# AI LinkedIn 内容工厂"
},
"typeVersion": 1
},
{
"id": "53844269-a8b7-49a3-b422-8d19c9caf61a",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1936,
-48
],
"parameters": {
"color": 4,
"width": 704,
"height": 208,
"content": "### 第一阶段：AI 研究与内容生成"
},
"typeVersion": 1
},
{
"id": "a8a07fde-c0e8-4e0e-a1b6-b69971dfa74f",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-816,
-32
],
"parameters": {
"color": 6,
"width": 736,
"height": 208,
"content": "### 第二阶段：AI 品牌化图片生成"
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"If": {
"main": [
[
{
"node": "6. Download Generated Image",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"Wait": {
"main": [
[
{
"node": "5b. Check Image Status",
"type": "main",
"index": 0
}
]
]
},
"SerpAPI": {
"ai_tool": [
[
{
"node": "3. Generate LinkedIn Post Content with AI",
"type": "ai_tool",
"index": 0
}
]
]
},
"SerpAPI1": {
"ai_tool": [
[
{
"node": "2. Research Topic & Find Viral Angle with AI",
"type": "ai_tool",
"index": 0
}
]
]
},
"Edit Fields": {
"main": [
[
{
"node": "8.Update Google Sheets",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "3. Generate LinkedIn Post Content with AI",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"OpenAI Chat Model1": {
"ai_languageModel": [
[
{
"node": "2. Research Topic & Find Viral Angle with AI",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"5b. Check Image Status": {
"main": [
[
{
"node": "If",
"type": "main",
"index": 0
}
]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "2. Research Topic & Find Viral Angle with AI",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Structured Output Parser1": {
"ai_outputParser": [
[
{
"node": "3. Generate LinkedIn Post Content with AI",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"6. Download Generated Image": {
"main": [
[
{
"node": "7. Publish Post to LinkedIn",
"type": "main",
"index": 0
}
]
]
},
"7. Publish Post to LinkedIn": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
},
"4. Generate Branded Image Prompt": {
"main": [
[
{
"node": "4.1. Generate Branded Image Prompt",
"type": "main",
"index": 0
}
]
]
},
"4.1. Generate Branded Image Prompt": {
"main": [
[
{
"node": "5a. Start Image Generation (Replicate)",
"type": "main",
"index": 0
}
]
]
},
"When clicking ‘Execute workflow’": {
"main": [
[
{
"node": "1. Get Pending Topic from Google Sheets",
"type": "main",
"index": 0
}
]
]
},
"5a. Start Image Generation (Replicate)": {
"main": [
[
{
"node": "5b. Check Image Status",
"type": "main",
"index": 0
}
]
]
},
"1. Get Pending Topic from Google Sheets": {
"main": [
[
{
"node": "2. Research Topic & Find Viral Angle with AI",
"type": "main",
"index": 0
}
]
]
},
"3. Generate LinkedIn Post Content with AI": {
"main": [
[
{
"node": "4. Generate Branded Image Prompt",
"type": "main",
"index": 0
}
]
]
},
"2. Research Topic & Find Viral Angle with AI": {
"main": [
[
{
"node": "3. Generate LinkedIn Post Content with AI",
"type": "main",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
高级 - 社交媒体, 多模态 AI
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
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难度等级
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节点数量23
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节点类型13
作者
Onur
@onurpolat05Hello, I'm Onur I've been working as a freelance software developer for about four years. In addition, I develop my own projects. For some time, I have been improving myself and providing various services related to AI and AI workflows. Both by writing low code and code. If you have any questions, don't hesitate to contact me.
外部链接
在 n8n.io 查看 →
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