使用Telegram和Gemini 2.5 Flash分析产品成分照片
高级
这是一个Content Creation, Multimodal AI领域的自动化工作流，包含 17 个节点。主要使用 If, Switch, Telegram, Agent, TelegramTrigger 等节点。 使用Telegram和Gemini 2.5 Flash分析产品成分照片
前置要求
- •Telegram Bot Token
- •Google Gemini API Key
使用的节点 (17)
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
{
"id": "OHJxgg0BdTf2l363",
"meta": {
"instanceId": "eebe9c0070b02d0ee22eb0ed0c31d070c78a8b6ed60658384408eca35acc94ee",
"templateCredsSetupCompleted": true
},
"name": "ingredients",
"tags": [],
"nodes": [
{
"id": "90b0a91c-bba7-41f3-8d90-af4947a7da10",
"name": "Google Gemini Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
688,
-144
],
"parameters": {
"options": {}
},
"typeVersion": 1
},
{
"id": "716161e7-f0bb-4e4c-b0e2-ec98d4e199ff",
"name": "Structured Output Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
848,
-144
],
"parameters": {
"jsonSchemaExample": "{\n \"recommendation\": \"Do Not Use\",\n \"reason\": \"While this product contains...\"\n}\n"
},
"typeVersion": 1.3
},
{
"id": "107f1ce4-0198-4a53-8f94-8fb9ffe53370",
"name": "Google Gemini Chat Model1",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
688,
192
],
"parameters": {
"options": {}
},
"credentials": {
"googlePalmApi": {
"id": "CLs7gtUQzHCSgvqQ",
"name": "Google Gemini(PaLM) Api account"
}
},
"typeVersion": 1
},
{
"id": "d3996282-5fb7-4e0e-8d1d-195b5703ac59",
"name": "Structured Output Parser1",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
832,
192
],
"parameters": {
"jsonSchemaExample": "{\n \"advantages\": [\"List clear benefits of these ingredients, including positive effects on health, skin, or hair.\"],\n \"disadvantages\": [\"List risks or concerns such as allergens, irritants, harsh chemicals, or health warnings.\"],\n \"recommended_for\": [\"Describe the group of people who can safely benefit from this product.\"],\n \"not_recommended_for\": [\"Describe the group of people who should avoid it, such as those with allergies, sensitivities, or certain conditions.\"]\n}\n"
},
"typeVersion": 1.3
},
{
"id": "5817f756-9d0f-445e-b860-29c530a93f86",
"name": "Google Gemini Chat Model2",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
96,
320
],
"parameters": {
"options": {}
},
"credentials": {
"googlePalmApi": {
"id": "CLs7gtUQzHCSgvqQ",
"name": "Google Gemini(PaLM) Api account"
}
},
"typeVersion": 1
},
{
"id": "a8169fcb-ebf7-4aab-ab3c-e3fb4f4ea181",
"name": "Get a Message photo/text",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
-288,
16
],
"webhookId": "365bd415-f745-4c2b-b0c5-42a5024a74e2",
"parameters": {
"updates": [
"message"
],
"additionalFields": {}
},
"typeVersion": 1.2
},
{
"id": "d3486786-42e0-4bbb-8449-ec011df85da6",
"name": "Analyzes product images using Google Gemini",
"type": "@n8n/n8n-nodes-langchain.googleGemini",
"position": [
288,
-128
],
"parameters": {
"text": "=Analyze this product image and extract only the list of ingredients. Ignore other text like brand names, slogans, or nutritional info. Return the ingredients as clean text in order and What the product is.",
"modelId": {
"__rl": true,
"mode": "list",
"value": "models/gemini-2.5-flash",
"cachedResultName": "models/gemini-2.5-flash"
},
"options": {},
"resource": "image",
"inputType": "binary",
"operation": "analyze"
},
"credentials": {
"googlePalmApi": {
"id": "CLs7gtUQzHCSgvqQ",
"name": "Google Gemini(PaLM) Api account"
}
},
"typeVersion": 1
},
{
"id": "d6a1725c-be05-4e59-aab2-462ae3d47ee2",
"name": "Retrieves photo file from Telegram",
"type": "n8n-nodes-base.telegram",
"position": [
80,
-128
],
"webhookId": "121a1894-5bff-43b7-9f14-9101a71ad6ae",
"parameters": {
"fileId": "={{ $json.message.photo[3].file_id }}",
"resource": "file",
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"id": "PFSwgv89YFhycXc3",
"name": "Telegram account"
}
},
"typeVersion": 1.2
},
{
"id": "492eb15b-d490-47b7-9ecd-0f31bef855fd",
"name": "Analyzes ingredients with user caption (Use/Do Not Use decision)",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
688,
-288
],
"parameters": {
"text": "=Product ingredients :- {{ $json.content.parts[0].text }}\n\nUser's Caption :- {{ $('Get a Message photo/text').item.json.message.caption }}",
"options": {
"systemMessage": "=You are a product safety and health advisor. \nYou will receive two inputs: \n1. A list of product ingredients. \n2. A caption/description of the product. \n\nYour task is to: \n- Analyze the ingredients for safety, health impact, and potential concerns (like allergens, harmful chemicals, artificial additives, or beneficial elements). \n- Consider the product’s purpose (from the caption). \n- Decide if the user **should use this product or not**. \n\nOutput Format: \n{\n \"recommendation\": \"Use\" or \"Do Not Use\",\n \"reason\": \"Detailed explanation covering positives, negatives, and potential risks or benefits.\"\n}\n\nadd only necessary information not include unnecessary information on reason.\n"
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 2.2
},
{
"id": "08b6a395-6c56-4ca2-b0ec-1c47393f21b0",
"name": "Sends Use/Do Not Use recommendation",
"type": "n8n-nodes-base.telegram",
"position": [
1008,
-288
],
"webhookId": "30cc03fb-37a2-44eb-b085-16558436900c",
"parameters": {
"text": "=** {{ $json.output.recommendation }} **\n\n{{ $json.output.reason }}",
"chatId": "={{ $('Get a Message photo/text').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "PFSwgv89YFhycXc3",
"name": "Telegram account"
}
},
"typeVersion": 1.2
},
{
"id": "89350602-2843-4643-97a4-6dab08a54dee",
"name": "Analyzes ingredients without caption (detailed analysis)",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
688,
32
],
"parameters": {
"text": "=Product ingredients :- {{ $('Analyzes product images using Google Gemini').item.json.content.parts[0].text }}",
"options": {
"systemMessage": "=You are a product health and safety advisor. \nYou will be given a list of ingredients from a product. \nYour job is to analyze them and provide a structured, detailed output.\n\n\nRules:\n- Do not invent ingredients that are not present.\n- Base all reasoning strictly on the provided ingredient list.\n- Be clear, factual, and practical for everyday users.\n\ngive only 3 main points in each."
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 2.2
},
{
"id": "5c6f145c-36b6-4241-8086-890bf8c50fd6",
"name": "Sends detailed ingredient analysis",
"type": "n8n-nodes-base.telegram",
"position": [
1040,
32
],
"webhookId": "1f346d74-2f77-4382-8a4e-a830106ae145",
"parameters": {
"text": "=**Advantages**\n• {{ $json.output.advantages[0] }}\n• {{ $json.output.advantages[1] }}\n• {{ $json.output.advantages[2] }}\n\n**Disadvantages**\n• {{ $json.output.disadvantages[0] }}\n• {{ $json.output.disadvantages[1] }}\n• {{ $json.output.disadvantages[2] }}\n\n**Recommended For**\n• {{ $json.output.recommended_for[0] }}\n• {{ $json.output.recommended_for[1] }}\n• {{ $json.output.recommended_for[2] }}\n\n**Not-Recommended For**\n• {{ $json.output.not_recommended_for[0] }}\n• {{ $json.output.not_recommended_for[1] }}\n• {{ $json.output.not_recommended_for[2] }}",
"chatId": "={{ $('Get a Message photo/text').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "PFSwgv89YFhycXc3",
"name": "Telegram account"
}
},
"typeVersion": 1.2
},
{
"id": "f63050eb-d0f2-4531-b7ce-ae47c5f235dc",
"name": "Routes based on caption presence",
"type": "n8n-nodes-base.switch",
"position": [
496,
-128
],
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "825bbdf2-81ff-4f74-b416-145034bfd7a5",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $('Get a Message photo/text').item.json.message.caption }}",
"rightValue": ""
}
]
}
},
{
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "3901b67c-046b-47d4-81ed-3d246c63b975",
"operator": {
"type": "string",
"operation": "notExists",
"singleValue": true
},
"leftValue": "={{ $('Get a Message photo/text').item.json.message.caption }}",
"rightValue": ""
}
]
}
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "5eeb91bb-c816-45b4-ab16-39415cef6405",
"name": "Handles text messages and greetings",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
96,
160
],
"parameters": {
"text": "={{ $json.message.text }}",
"options": {
"systemMessage": "=You are an ingredient analysis assistant. \nYour main job is to analyze product ingredients and provide insights such as: \n- Advantages \n- Disadvantages \n- Who should use it \n- Who should avoid it \n- Final Verdict (Use / Do Not Use) \n\nRules: \n\n--- If the user provides a list of ingredients, respond with a structured analysis using markdown format with bold headers: \n **Advantages** \n **Disadvantages** \n **Recommended For** \n **Not Recommended For** \n **Final Verdict** \n\n--- If the user greets you or sends casual small-talk (e.g., \"hi\", \"hello\", \"how are you\"), reply in a friendly way. Example: \n \"Hey! I’m fine 😃 Please upload a photo of the product’s ingredients and I’ll tell you whether you should use it or not.\" \n\n--- If the user asks about something unrelated to ingredients (e.g., sports, politics, weather), politely redirect them. Example: \n \"⚠️ I can only help with product ingredient analysis. Please share product ingredients or upload a photo of the label for review.\" \n\n4. Always keep the tone clear, helpful, and user-friendly. \n"
},
"promptType": "define"
},
"typeVersion": 2.2
},
{
"id": "6b3650d2-31c1-4e0c-bf7f-151cbbc39ce6",
"name": "Sends conversational responses",
"type": "n8n-nodes-base.telegram",
"position": [
416,
160
],
"webhookId": "e03cccf2-8660-4cc0-8508-328a56b1a2a9",
"parameters": {
"text": "={{ $json.output }}",
"chatId": "={{ $('Get a Message photo/text').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "PFSwgv89YFhycXc3",
"name": "Telegram account"
}
},
"typeVersion": 1.2
},
{
"id": "72e77331-2127-4c9e-abba-9c7403aa82f4",
"name": "Checks if message contains photo",
"type": "n8n-nodes-base.if",
"position": [
-96,
16
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "c7623137-fcd6-43be-b941-6c527bc2e63f",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.message.photo[3].file_id }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "fc2ccb12-fe74-4c0b-91b0-8f978b7e369b",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1136,
-672
],
"parameters": {
"width": 2416,
"height": 1552,
"content": "# 📌 Product Ingredient Analyzer Bot\n## 🔄What this workflow does\n- Telegram bot that analyzes product ingredients from photos using Google Gemini AI. \nProvides health & safety recommendations based on user context.\n\n## 🧩 How it works\n1. 📥 Get a Message photo/text\n- Listens for Telegram messages (photos or text)\n\n\n\n2. 🔍 Checks if message contains photo\n- Has photo → Extract ingredients\n- No photo → Handle as text chat\n\n\n\n📸 Photo Branch\n3. 📂 Retrieves photo → 🤖 Analyzes with Gemini\n- Extracts ingredient list from product label\n- Ignores brand names and nutritional info\n\n\n\n4. 🔀 Routes based on caption\n- With caption → Simple Use/Don't Use verdict\n- No caption → Detailed 4-category analysis\n\n\n\n5. 📤 Sends response\n- With caption: Bold recommendation + reason\n- Without caption: Advantages, Disadvantages, Recommended For, Not Recommended For (3 points each)\n\n\n\n💬 Text Branch\n6. 🤝 Handles text messages\n- Greetings → Friendly prompt to upload photo\n- Ingredient list → Provides analysis\n- Off-topic → Polite redirect\n\n\n## ✅ Sample Messages\n### Photo + caption \"sensitive skin\":\n- Do Not Use\n-- Contains SLS and fragrances that irritate sensitive skin.\n\n### Photo only:\n- Advantages\n• Hyaluronic acid for hydration\n• Niacinamide reduces inflammation\n• Vitamin E protection\n- Disadvantages\n• Contains parabens\n• Synthetic fragrance\n• May clog pores\n\n### Text \"Hi\":\n- Hey! 😃 Upload a product photo and I'll analyze the ingredients.\n\n\n## 💡 Best for\n-🧴 Skincare \n• 🧼 Hair care \n• 🍫 Food labels \n• 🧽 Cleaning products\n\n## ⚠️ Requirements\n- Telegram bot token\n- Google Gemini API credentials"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "a223be73-0476-435b-81c8-cb791ceaad47",
"connections": {
"a8169fcb-ebf7-4aab-ab3c-e3fb4f4ea181": {
"main": [
[
{
"node": "72e77331-2127-4c9e-abba-9c7403aa82f4",
"type": "main",
"index": 0
}
]
]
},
"90b0a91c-bba7-41f3-8d90-af4947a7da10": {
"ai_languageModel": [
[
{
"node": "492eb15b-d490-47b7-9ecd-0f31bef855fd",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"716161e7-f0bb-4e4c-b0e2-ec98d4e199ff": {
"ai_outputParser": [
[
{
"node": "492eb15b-d490-47b7-9ecd-0f31bef855fd",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"107f1ce4-0198-4a53-8f94-8fb9ffe53370": {
"ai_languageModel": [
[
{
"node": "89350602-2843-4643-97a4-6dab08a54dee",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"5817f756-9d0f-445e-b860-29c530a93f86": {
"ai_languageModel": [
[
{
"node": "5eeb91bb-c816-45b4-ab16-39415cef6405",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"d3996282-5fb7-4e0e-8d1d-195b5703ac59": {
"ai_outputParser": [
[
{
"node": "89350602-2843-4643-97a4-6dab08a54dee",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"72e77331-2127-4c9e-abba-9c7403aa82f4": {
"main": [
[
{
"node": "d6a1725c-be05-4e59-aab2-462ae3d47ee2",
"type": "main",
"index": 0
}
],
[
{
"node": "5eeb91bb-c816-45b4-ab16-39415cef6405",
"type": "main",
"index": 0
}
]
]
},
"f63050eb-d0f2-4531-b7ce-ae47c5f235dc": {
"main": [
[
{
"node": "492eb15b-d490-47b7-9ecd-0f31bef855fd",
"type": "main",
"index": 0
}
],
[
{
"node": "89350602-2843-4643-97a4-6dab08a54dee",
"type": "main",
"index": 0
}
]
]
},
"d6a1725c-be05-4e59-aab2-462ae3d47ee2": {
"main": [
[
{
"node": "d3486786-42e0-4bbb-8449-ec011df85da6",
"type": "main",
"index": 0
}
]
]
},
"5eeb91bb-c816-45b4-ab16-39415cef6405": {
"main": [
[
{
"node": "6b3650d2-31c1-4e0c-bf7f-151cbbc39ce6",
"type": "main",
"index": 0
}
]
]
},
"d3486786-42e0-4bbb-8449-ec011df85da6": {
"main": [
[
{
"node": "f63050eb-d0f2-4531-b7ce-ae47c5f235dc",
"type": "main",
"index": 0
}
]
]
},
"89350602-2843-4643-97a4-6dab08a54dee": {
"main": [
[
{
"node": "5c6f145c-36b6-4241-8086-890bf8c50fd6",
"type": "main",
"index": 0
}
]
]
},
"492eb15b-d490-47b7-9ecd-0f31bef855fd": {
"main": [
[
{
"node": "08b6a395-6c56-4ca2-b0ec-1c47393f21b0",
"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 - 内容创作, 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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工作流信息
难度等级
高级
节点数量17
分类2
节点类型9
作者
Parth Pansuriya
@parthpansuriyaI build smart and scalable automation workflows using n8n to simplify tasks, connect apps, and boost productivity. From WhatsApp bots to AI-powered systems, I create seamless automations tailored for business and creators.
外部链接
在 n8n.io 查看 →
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