Reddit問題のAI自動化
上級
これはSocial Media, Multimodal AI分野の自動化ワークフローで、20個のノードを含みます。主にIf, Set, Merge, Reddit, GoogleSheetsなどのノードを使用。 Google GeminiとSheetsを使ってRedditの問題を検出し、自動のに解決策へのコメントを投稿する
前提条件
- •Google Sheets API認証情報
- •Google Gemini API Key
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
"id": "BEji2e0zxDfm2TCt",
"meta": {
"instanceId": "f678cb66f902ee934e7c819f39c2d7d59eee478ead5d09104fa91cfa2f204413",
"templateCredsSetupCompleted": true
},
"name": "AI automation for Reddit Problems",
"tags": [],
"nodes": [
{
"id": "35fec5df-e393-4d93-b2b5-cc244e34c7fd",
"name": "ワークフロー実行時",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-3328,
208
],
"parameters": {},
"typeVersion": 1
},
{
"id": "756450ba-a661-4a3f-a7cf-062c1d97d35f",
"name": "AIエージェント",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-2352,
192
],
"parameters": {
"text": "=Define weather the reddit post is talking about the problems faced by the users of AI Automation or they need a solution on how they want bew features in AI Automation. the post should mention a specific problem faced by the users.\n\nReddit Post: {{ $json.selftext }}\n\nIs this post is about a problem that users are facing about AI Automation or they need new features, Just answer with Yes or No.",
"options": {},
"promptType": "define"
},
"typeVersion": 3
},
{
"id": "933d79ab-cabf-4a4c-8e23-e795ee59e92e",
"name": "Google Gemini チャットモデル",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
-2320,
368
],
"parameters": {
"options": {}
},
"typeVersion": 1
},
{
"id": "3d1ee156-858b-477f-a1f9-92cb89ff04d2",
"name": "マージ",
"type": "n8n-nodes-base.merge",
"position": [
-2064,
208
],
"parameters": {
"mode": "combine",
"options": {
"includeUnpaired": true
},
"combineBy": "combineByPosition"
},
"typeVersion": 3.2
},
{
"id": "eb9a9ebb-0352-4968-9b5d-70c91d05df0c",
"name": "AIエージェント1",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-1584,
192
],
"parameters": {
"text": "=Based on the reddit post, suggest a plan or a solution on how i fix the issues the users are facing with Sora 2.\n\nReddit Post: {{ $json.selftext }}\n\nProvide a concise solution on how we can fix the problems in slack based on the reddit post. \nExplain the solution",
"options": {},
"promptType": "define"
},
"typeVersion": 3
},
{
"id": "8c17f645-76ed-4806-ad95-77a4ca5352e9",
"name": "Google Gemini チャットモデル1",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
-1344,
304
],
"parameters": {
"options": {},
"modelName": "models/gemini-2.0-flash"
},
"typeVersion": 1
},
{
"id": "b6de179b-ff6d-4d3a-a175-b0aa7754e499",
"name": "マージ1",
"type": "n8n-nodes-base.merge",
"position": [
-1264,
176
],
"parameters": {
"mode": "combine",
"options": {
"clashHandling": {
"values": {
"resolveClash": "preferInput1"
}
}
},
"combineBy": "combineByPosition"
},
"typeVersion": 3.2
},
{
"id": "c8affa4e-c19e-40ec-b16c-84a123886e5d",
"name": "投稿へのコメント作成",
"type": "n8n-nodes-base.reddit",
"position": [
-864,
176
],
"parameters": {
"postId": "={{ $json.Bio }}",
"resource": "postComment",
"commentText": "={{ $json['Full Name'] }}"
},
"typeVersion": 1
},
{
"id": "8a69784f-8906-4e0c-b950-e8bcf2e09a99",
"name": "シートに行を追加",
"type": "n8n-nodes-base.googleSheets",
"position": [
-1056,
176
],
"parameters": {
"columns": {
"value": {
"Bio": "={{ $json.created }}",
"username": "={{ $json.selftext }}",
"Full Name": "={{ $json.output }}",
"Profile ID,": "={{ $json.title }}",
"Follower Count": "={{ $json.subreddit_id }}"
},
"schema": [
{
"id": "username",
"type": "string",
"display": true,
"required": false,
"displayName": "username",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Full Name",
"type": "string",
"display": true,
"required": false,
"displayName": "Full Name",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Profile ID,",
"type": "string",
"display": true,
"required": false,
"displayName": "Profile ID,",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Follower Count",
"type": "string",
"display": true,
"required": false,
"displayName": "Follower Count",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Bio",
"type": "string",
"display": true,
"required": false,
"displayName": "Bio",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Follower Count",
"type": "string",
"display": true,
"required": false,
"displayName": "Follower Count",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "list",
"value": 1703783376,
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1ic80xnSBq5RsNC5CDUEuaEoze4PDzhL9IPS0jj8z45I/edit#gid=1703783376",
"cachedResultName": "Sheet2"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1ic80xnSBq5RsNC5CDUEuaEoze4PDzhL9IPS0jj8z45I",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1ic80xnSBq5RsNC5CDUEuaEoze4PDzhL9IPS0jj8z45I/edit?usp=drivesdk",
"cachedResultName": "Untitled spreadsheet"
}
},
"typeVersion": 4.7
},
{
"id": "5fd3bc9a-5782-4433-86ff-da5b26ac6b90",
"name": "投稿検索",
"type": "n8n-nodes-base.reddit",
"position": [
-2976,
208
],
"parameters": {
"limit": 10,
"keyword": "Why i stopped using",
"operation": "search",
"subreddit": "n8n",
"additionalFields": {}
},
"typeVersion": 1
},
{
"id": "25b867fb-60cd-4515-bc31-ef0cd676dda2",
"name": "条件分岐",
"type": "n8n-nodes-base.if",
"position": [
-2768,
208
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "751771bf-3129-4806-a686-11d98ecfce3e",
"operator": {
"type": "number",
"operation": "gte"
},
"leftValue": "={{ $json.ups }}",
"rightValue": 2
},
{
"id": "cda8f6cf-9c1f-49bd-afb0-6b404a9d054d",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json.selftext }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "a0b43120-0737-426a-a3c4-84e25d95fc04",
"name": "値設定",
"type": "n8n-nodes-base.set",
"position": [
-2528,
192
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "7fc31f22-be37-4195-a26a-40054f74001b",
"name": "title",
"type": "string",
"value": "={{ $json.title }}"
},
{
"id": "da1b8bf9-c1a8-4c6b-b85d-379c91b45241",
"name": "selftext",
"type": "string",
"value": "={{ $json.selftext }}"
},
{
"id": "fea02618-7f96-474c-bcb5-a3e24508ecdb",
"name": "ups",
"type": "number",
"value": "={{ $json.ups }}"
},
{
"id": "b3c743d2-8e5a-48d9-a835-d53d178fb4da",
"name": "created",
"type": "number",
"value": "={{ $('Post Searching').item.json.created }}"
},
{
"id": "75c7a180-6451-4a07-aa09-4d54019c3257",
"name": "url",
"type": "string",
"value": "={{ $json.url }}"
},
{
"id": "a314d8bd-aa43-4b3a-bb35-acd777979939",
"name": "subreddit_id",
"type": "string",
"value": "={{ $json.subreddit_id }}"
},
{
"id": "87e595d0-e201-4b3f-a75b-396aa4202fd9",
"name": "id",
"type": "string",
"value": "={{ $json.id }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "dc1e2c07-9cbd-4cfd-ba6a-c86c67aabe4c",
"name": "付箋",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3472,
-64
],
"parameters": {
"width": 440,
"height": 592,
"content": "## Manual Trigger (Template Demo)\nThis workflow starts with a **Manual Trigger** so reviewers can run it immediately from the Editor via **Execute workflow**.\n\nIn your own automations you can replace this with a **Schedule Trigger** or a **Webhook**. For the template, keeping it manual makes it easier to test the downstream Reddit search and AI steps without extra setup.\n"
},
"typeVersion": 1
},
{
"id": "4e5dc346-052c-4dfb-9bc3-7095cc1322df",
"name": "条件分岐2",
"type": "n8n-nodes-base.if",
"position": [
-1872,
208
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a80000e7-0860-41f4-a64f-087c176ca5a3",
"operator": {
"type": "string",
"operation": "contains"
},
"leftValue": "={{ $json.output }}",
"rightValue": "Yes"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "f48bffbe-c4de-4072-a2e0-dc5e5dcc5f0c",
"name": "付箋2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3024,
-64
],
"parameters": {
"color": 6,
"width": 640,
"height": 584,
"content": "## Search & Filter Reddit Posts (Data Source)\n**Post Searching (Reddit)** looks for posts in r/n8n with the keyword **“Why i stopped using”**. \n\n**If Condition** then filters results to avoid noise:\n- `ups >= 2` → keeps posts with at least two upvotes (signals relevance).\n- `selftext not empty` → ignores link-only or empty posts.\n\nThese constraints make the AI analysis more reliable by focusing on substantive posts that actually describe problems.\n"
},
"typeVersion": 1
},
{
"id": "aae71a32-f119-4536-ae33-7b4f568ee7dc",
"name": "付箋3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2368,
-64
],
"parameters": {
"color": 7,
"width": 720,
"height": 584,
"content": "## Problem Classifier (AI Analyzer)\n**Value setup (Set)** normalizes useful fields from the Reddit item (`title`, `selftext`, `ups`, `created`, etc.).\n\n**AI Agent** (LLM) is prompted to answer **Yes/No** to: \n“Is this post about a user problem with AI automation (vs. a feature request)?”\n\nThe **Google Gemini Chat Model** provides the language model for the agent.\n**Merge** simply passes through the AI result along with the original item so we can branch next.\n"
},
"typeVersion": 1
},
{
"id": "5a23ac83-1cbf-470c-a31f-9b78cfb49c83",
"name": "付箋4",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1632,
-64
],
"parameters": {
"color": 7,
"width": 1008,
"height": 544,
"content": "## Solution Generator (AI)\n**If Condition 2** checks the classifier's output:\n- When `$json.output` **contains \"Yes\"**, the post is treated as a real problem.\n\nFor qualifying posts, **AI Agent1** generates a concise, actionable plan to address the problem (prompt references the Reddit `selftext`).\nThe **Google Gemini Chat Model1** supplies the model (`gemini-2.0-flash`) for fast, low-latency responses.\n"
},
"typeVersion": 1
},
{
"id": "6717c8a9-d983-4f8a-889a-2fb1a2057c02",
"name": "付箋5",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1632,
496
],
"parameters": {
"width": 1008,
"height": 264,
"content": "## Store Results & (Optionally) Reply\n**Merge1** combines the original Reddit fields with the AI-generated solution (prefers input1 on clashes).\n\n**Append row in sheet (Google Sheets)** archives key fields so you can review solutions later. \n- Mapped columns: `Full Name` ← AI output (solution text), `username` ← `selftext`, `Profile ID` ← `title`, etc.\n- Update the target Spreadsheet ID and sheet name to your own doc.\n\n**Create a comment in a post (Reddit)** demonstrates posting back. \n- Update `postId` and `commentText` mappings to your desired fields (e.g., use the Reddit `id` as `postId` and the AI output as the comment text).\n- Keep this **disabled** until you have tested safely.\n"
},
"typeVersion": 1
},
{
"id": "77196185-7cf5-499e-baa1-6acff8328ff6",
"name": "付箋 - 認証情報",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3472,
544
],
"parameters": {
"color": 6,
"width": 1096,
"height": 200,
"content": "## Credentials & Safety\n- **Reddit (OAuth)**: Required by *Post Searching* and *Create a comment in a post*.\n- **Google Sheets**: Needed by *Append row in sheet*.\n- **Google Gemini**: Needed by both AI Agent nodes (set your model and project).\n\n**Tip:** Test with read-only actions first. Keep the reply node disabled until you verify outputs. Consider rate limits and community rules before posting automatically.\n"
},
"typeVersion": 1
},
{
"id": "0b3851c9-5cb8-46ef-838d-5271ee4e8991",
"name": "付箋 - 再利用方法",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2352,
544
],
"parameters": {
"color": 6,
"width": 704,
"height": 208,
"content": "## How to Reuse / Customize\n1) Change the subreddit and keyword in **Post Searching** to target your audience.\n2) Adjust the **If** thresholds (e.g., `ups >= 5`) to control quality.\n3) Refine the **classifier prompt** to match your product or domain.\n4) Edit the **solution prompt** to match your support tone and policies.\n5) Map the **Google Sheets** fields to your own schema.\n6) When ready, point **postId** to the Reddit post ID and **commentText** to the AI solution to reply automatically.\n"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "488ed89a-1f72-4aac-9f75-08d59d1ccbd0",
"connections": {
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"933d79ab-cabf-4a4c-8e23-e795ee59e92e": {
"ai_languageModel": [
[
{
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}
}よくある質問
このワークフローの使い方は？
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか？
上級 - ソーシャルメディア, マルチモーダルAI
有料ですか？
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス（OpenAI APIなど）は別途料金が発生する場合があります。
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