The workflow JSON
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{
"id": "4Tq5HZBdETVe7jEb",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "\u26a1AI-Powered YouTube Playlist & Video Summarization and Analysis v2",
"tags": [],
"nodes": [
{
"id": "505077d1-a2e4-4b0d-99d6-756940022c3d",
"name": "Google Gemini Chat Model1",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
-440,
-40
],
"parameters": {
"options": {},
"modelName": "models/gemini-2.0-pro-exp"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "5da369db-b801-4653-888d-0e6042620298",
"name": "Handle Queries",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-160,
-280
],
"parameters": {
"text": "={{ $('Chat').item.json.chatInput }}",
"options": {
"systemMessage": "=You are an intelligent assistant that can respond to queries related to the content of a Youtube Playlist or a single Video.\n\n# YOUR TASK\nDecide if the user has provided the info required and reply accordingly. If there is no url in context you have to suggest the user to provide one. \n\n\n1. If the user provided a YouTube Playlist or Video URL: reply in structured markdown format to the user based on the formulated questions and context. Assume the user is here because they don't won't / have time to watch such videos so:\n- Use the tool called `chat_playlist_data`, which can analyze YouTube videos. Use this tool effectively to process video content and generate structured summaries.\n- Your answers needs to be exhaustive and minimise bullet points\n- Be verbose in your response\n\n2. 1. If the user provided a YouTube Playlist or Video URL:\n- Do not ask for more specific details - always try to summarize the videos with the data from the tool `chat_playlist_data`\n- Never reply \"already provided a detailed summary\" - always try to summarize again the videos with more info from the tool `chat_playlist_data` - even if you have already provided the data before (so repeat yourself).\n\n3. If the user HAS NOT provided a YouTube Playlist URL or a invaid URL: gently invite the user to provide the URL so you can process it. \n\n# Rules\n\n## YouTube Playlist URL Definition\n- A URL from www.youtube.com or youtube.com.\n- Contains the query parameter `list=` followed by a playlist ID.\n- Example: https://www.youtube.com/playlist?list=PLXXXXXX (where PLXXXXXX is the playlist ID).\n\n## YouTube Video URL Definition\n- A URL from www.youtube.com, youtube.com, or youtu.be.\n- For www.youtube.com or youtube.com, it contains the query parameter `v=` followed by a video ID.\n- For youtu.be, it follows the format https://youtu.be/VIDEO_ID.\n- Examples:\n - https://www.youtube.com/watch?v=VIDEO_ID (where VIDEO_ID is the video ID).\n - https://youtu.be/VIDEO_ID\n- Does NOT have a query parameter `list=`\n\n# Context\n{\n \"intent\": {{ $('Default Intent').item.json.output?.intent || \"NONE\" }},\n \"url\": {{ $('Default Intent').item.json.output?.url || \"\" }},\n \"id\": {{ $('Default Intent').item.json.output?.id || \"\" }},\n \"limit\": {{ $('Default Intent').item.json.output?.limit || 0 }},\n \"status\": {{ $('Default Intent').item.json.output?.status || 'PENDING' }}\n}"
},
"promptType": "define"
},
"typeVersion": 1.7
},
{
"id": "866bf387-3482-4615-94d5-fd72d5db21da",
"name": "Split Out",
"type": "n8n-nodes-base.splitOut",
"position": [
1380,
-200
],
"parameters": {
"include": "selectedOtherFields",
"options": {},
"fieldToSplitOut": "transcript",
"fieldsToInclude": "youtubeId"
},
"typeVersion": 1
},
{
"id": "359404ce-4bc9-4e4d-9a26-22b9f9b176c9",
"name": "Summarize & Analyze Transcript",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
660,
540
],
"parameters": {
"text": "=Please analyze the given text and create a structured summary following these guidelines:\n\n1. Break down the content into main topics using Level 2 headers (##)\n2. Under each header:\n - List only the most essential concepts and key points\n - Use bullet points for clarity\n - Keep explanations concise\n - Preserve technical accuracy\n - Highlight key terms in bold\n3. Format requirements:\n - Use markdown formatting\n - Keep bullet points simple (no nesting)\n - Bold important terms using **term**\n - Use tables for comparisons\n - Include relevant technical details\n\nPlease provide a clear, structured summary that captures the core concepts while maintaining technical accuracy.\n\n**Make sure the summary is 300-400 max characters long.**\n\nInclude metadata such as video number, id, and title in the summary.\n\n**Here is the text**\n\nVideo number: {{ $json.video_number }}\nTitle: {{ $json.title }}\nYoutube ID: {{ $json.youtubeId }}\nTranscript:\n{{ $json.transcript_text }}",
"promptType": "define"
},
"typeVersion": 1.4
},
{
"id": "036765df-6da4-4430-bcea-af4066fb7c24",
"name": "Concatenate",
"type": "n8n-nodes-base.summarize",
"position": [
1700,
-200
],
"parameters": {
"options": {},
"fieldsToSplitBy": "youtubeId",
"fieldsToSummarize": {
"values": [
{
"field": "transcript.text",
"separateBy": " ",
"aggregation": "concatenate"
}
]
}
},
"typeVersion": 1
},
{
"id": "9152725c-15ca-41a0-8f98-108834e0c8be",
"name": "Split Out1",
"type": "n8n-nodes-base.splitOut",
"position": [
660,
40
],
"parameters": {
"options": {},
"fieldToSplitOut": "videos"
},
"typeVersion": 1
},
{
"id": "fee0e045-614a-41f0-ac75-051dff773e77",
"name": "Limit",
"type": "n8n-nodes-base.limit",
"position": [
860,
40
],
"parameters": {
"maxItems": "={{ $('Update Context Intent').item.json.output.limit }}"
},
"typeVersion": 1
},
{
"id": "a691c1c7-d8c4-4eab-861b-f7cfcbeb0fc8",
"name": "Qdrant Vector Store",
"type": "@n8n/n8n-nodes-langchain.vectorStoreQdrant",
"position": [
1680,
480
],
"parameters": {
"mode": "insert",
"options": {},
"qdrantCollection": {
"__rl": true,
"mode": "id",
"value": "={{ $('Update Context Intent').first().json.output.id }}"
}
},
"credentials": {
"qdrantApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "c3949e8f-0deb-4106-aaa5-e64403024243",
"name": "Recursive Character Text Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
"position": [
1800,
860
],
"parameters": {
"options": {},
"chunkSize": 1200,
"chunkOverlap": 200
},
"typeVersion": 1
},
{
"id": "a3b23c6b-14c0-4805-8220-7c6166268276",
"name": "Embeddings Google Gemini",
"type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
"position": [
1660,
700
],
"parameters": {
"modelName": "models/text-embedding-004"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "6f4ee00d-dcdc-4468-9713-115912c1e571",
"name": "Google Gemini Chat Model2",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
640,
740
],
"parameters": {
"options": {},
"modelName": "models/gemini-2.0-flash"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "75442631-512e-4b0e-a5a8-ed3e3a3e1f94",
"name": "Embeddings Google Gemini1",
"type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
"position": [
-120,
320
],
"parameters": {
"modelName": "models/text-embedding-004"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "c33ceeca-9bf0-4dd2-b8df-fc2a1ccdf512",
"name": "Chat",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-2780,
-460
],
"parameters": {
"public": true,
"options": {
"loadPreviousSession": "notSupported"
},
"initialMessages": "Hi there! \ud83d\udc4b\nPlease provide a URL of a Youtube playlist you would like me to analise."
},
"typeVersion": 1.1
},
{
"id": "06bb2dfd-027c-4902-9559-2de080f6c145",
"name": "Video Titles",
"type": "n8n-nodes-base.splitOut",
"position": [
1160,
40
],
"parameters": {
"options": {},
"fieldToSplitOut": "id,title"
},
"typeVersion": 1
},
{
"id": "d9bbdda2-ef26-4b6c-94d0-7542f88f1530",
"name": "Merge",
"type": "n8n-nodes-base.merge",
"position": [
1700,
20
],
"parameters": {
"mode": "combineBySql",
"query": "SELECT \n ROW_NUMBER() AS video_number,\n input1.youtubeId, input2.title, input1.concatenated_transcript_text as transcript_text FROM input1 LEFT JOIN input2 ON input1.youtubeId = input2.id"
},
"typeVersion": 3
},
{
"id": "e6febdb9-370b-478d-b470-d6c2d3314d7b",
"name": "Edit Fields",
"type": "n8n-nodes-base.set",
"position": [
980,
540
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "b5e935c5-4973-40a3-adb9-fa76904d2ed9",
"name": "video_number",
"type": "number",
"value": "={{ $('Merge').item.json.video_number }}"
},
{
"id": "e98f417d-123f-4a85-b2f7-64430e7b0250",
"name": "youtubeId",
"type": "string",
"value": "={{ $('Merge').item.json.youtubeId }}"
},
{
"id": "d0ced7fd-c9a3-4a09-bf09-e4b5e45dd03d",
"name": "title",
"type": "string",
"value": "={{ $('Merge').item.json.title }}"
},
{
"id": "31a80e6d-9b02-4d21-b888-1a00c036a04b",
"name": "summary",
"type": "string",
"value": "={{ $json.text }}"
},
{
"id": "ef12f3f2-3d63-4e78-835f-7da004393a07",
"name": "transcript_text",
"type": "string",
"value": "={{ $('Merge').item.json.transcript_text }}"
},
{
"id": "afa841e2-6f8b-4b27-9f28-10368ee32c2e",
"name": "playlistId",
"type": "string",
"value": "={{ $('Update Context Intent').first().json.output.id }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "2736a1e6-a982-4f60-aa8d-658e9a3e9193",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
2720,
480
],
"parameters": {
"text": "=Please analyze the given \"Transcript summary\" and create a full summary overview, following the below guidelines.\n\n1. Provide a full descriptive break down of the content of each video. Assume the user does not won't or have time to watch such videos, so:\n- Your summary needs to be exhaustive, descriptive, and minimise bullet points\n- Your summary needs to captures all the core concepts while maintaining technical accuracy\n- Your summary will be verbose\n\n2. Consider that the intent of the user is not to watch the videos but rather have all the content required and summaries from on the \"Transcript summary\".\n\n3. Use the tool called `chat_playlist_data`, which can analyze YouTube videos. Use this tool effectively to process video content and generate structured summaries.\n\nUser message:\n{{ $('Chat').item.json.chatInput }}\n\nTranscript summary:\n{{ $('Full Summary').item.json.concatenated_summary }}",
"agent": "conversationalAgent",
"options": {},
"promptType": "define"
},
"executeOnce": true,
"typeVersion": 1.7
},
{
"id": "cf1e5c50-9c89-465f-beca-482cbd9affba",
"name": "Google Gemini Chat Model4",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
2520,
720
],
"parameters": {
"options": {},
"modelName": "models/gemini-2.0-flash"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "1cbcec5e-b58c-4fce-b944-08c47a7385db",
"name": "Delete Collection",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueRegularOutput",
"position": [
1340,
480
],
"parameters": {
"url": "=https://3114dbb7-bd13-4807-8815-c3c8784f66d6.eu-west-1-0.aws.cloud.qdrant.io/collections/{{ $('Update Context Intent').first().json.playlistID }}/points/delete",
"method": "POST",
"options": {},
"jsonBody": "{\n \"filter\": {}\n}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "predefinedCredentialType",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"nodeCredentialType": "qdrantApi"
},
"credentials": {
"qdrantApi": {
"name": "<your credential>"
}
},
"executeOnce": true,
"typeVersion": 4.2
},
{
"id": "16d7eaec-1d98-42dd-89aa-2681a9d1697d",
"name": "Default Data Loader",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
1820,
700
],
"parameters": {
"options": {
"metadata": {
"metadataValues": [
{
"name": "video_number",
"value": "={{ $input.item.json.video_number }}"
},
{
"name": "=youtubeId",
"value": "={{ $input.item.json.youtubeId }}"
},
{
"name": "summary",
"value": "={{ $input.item.json.summary }}"
},
{
"name": "title",
"value": "={{ $input.item.json.title }}"
},
{
"name": "playlistId",
"value": "={{ $input.item.json.playlistId }}"
}
]
}
}
},
"typeVersion": 1
},
{
"id": "d3bc9db2-7618-46fd-b825-2cc0ad45fc22",
"name": "Chat Buffer Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
-260,
-40
],
"parameters": {
"sessionKey": "={{ $('Chat').item.json.sessionId }}",
"sessionIdType": "customKey",
"contextWindowLength": 10
},
"typeVersion": 1.3
},
{
"id": "fb55b13f-880f-404c-9446-9f8a238c8a5c",
"name": "Full Summary",
"type": "n8n-nodes-base.summarize",
"position": [
2520,
480
],
"parameters": {
"options": {},
"fieldsToSummarize": {
"values": [
{
"field": "summary",
"separateBy": "\n",
"aggregation": "concatenate"
}
]
}
},
"typeVersion": 1.1
},
{
"id": "efc2fc99-c738-425e-9ee1-669e378e197f",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-560,
-400
],
"parameters": {
"color": 7,
"width": 1080,
"height": 900,
"content": "## RAG & Reply to User Query\n- Retrieves and provides answers to user queries combining retrieval-augmented generation.\n- Processes messages without specific routing rules.\n "
},
"typeVersion": 1
},
{
"id": "0040adf6-2cfc-4b79-ba81-b76740bfd158",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
560,
-400
],
"parameters": {
"color": 7,
"width": 1380,
"height": 700,
"content": "## Fetch and prepare Playlist video transcripts data for processing \n- Collects and organizes playlist video transcripts.\n- Prepares data for analysis and summarization."
},
"typeVersion": 1
},
{
"id": "59b29fc5-5d88-40c0-a273-9dc71d9f009e",
"name": "Chat Buffer Memory1",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
2700,
720
],
"parameters": {
"sessionKey": "={{ $('Chat').item.json.sessionId }}",
"sessionIdType": "customKey",
"contextWindowLength": 10
},
"typeVersion": 1.3
},
{
"id": "afb6f6be-d299-402e-a9c6-2c60fbf4974e",
"name": "YouTube Transcript",
"type": "n8n-nodes-youtube-transcription-dmr.youtubeTranscripter",
"position": [
1160,
-200
],
"parameters": {
"videoId": "={{ $json.id }}",
"continueOnFail": true
},
"typeVersion": 1
},
{
"id": "9a43eb4a-9d4c-4fce-b19c-94485aa8af76",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
560,
340
],
"parameters": {
"color": 7,
"width": 640,
"height": 700,
"content": "## Summarize & Analyze Transcript\n- Creates summarized data from transcripts."
},
"typeVersion": 1
},
{
"id": "676677f0-3dae-4873-a449-92930ced534e",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1240,
340
],
"parameters": {
"color": 7,
"width": 980,
"height": 700,
"content": "## Store Embeddings\n- Saves embedded data for future use.\n- Updates current context to maintain the flow of the conversation. "
},
"typeVersion": 1
},
{
"id": "9ecd4d0d-b8bd-4a5d-981f-49fa515c17be",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
2260,
340
],
"parameters": {
"color": 7,
"width": 940,
"height": 880,
"content": "## First Summary Analysis\n- Conducts initial analysis of summarized data.\n- Return to the user insights from processed transcripts."
},
"typeVersion": 1
},
{
"id": "45ae8377-0848-45fb-a7a3-aba8d44e3d35",
"name": "Message Intent",
"type": "@n8n/n8n-nodes-langchain.agent",
"onError": "continueRegularOutput",
"position": [
-2260,
-460
],
"parameters": {
"text": "= {{ $('Chat').item.json.chatInput }}",
"options": {
"systemMessage": "=**# YOUR TASK:**\nPlease analyze the user's message and decide if the user has provided the info required - and ALWAYS reply using the **Output format** defined below.\n\n# Output format\nYou use the following JSON structure to reply, don't include anything else, and alway inlude all the fields:\n```\n{\n \"intent\": PLAYLIST|VIDEO|NONE,\n \"url\": Youtube Playlist or Video URL or empty string,\n \"id\": Youtube Playlist or Video ID or empty string,\n \"limit\": number, default 0,\n \"status\": Previous context status `{{ $json.context_intent?.status }}` or \"PENDING\"\n}\n```\n\n## INTENT field GUIDELINES:\n\n**Respond with \"PLAYLIST\" if:**\n- The messsage contains a valid Youtube Playlist URL\n\n**Respond with \"VIDEO\" if:**\n- The messsage contains a valid Youtube Video URL\n\n**Respond with \"NONE\" if:**\n- The messsage does not contains a valid Youtube Playlist or Video URL\n\n## LIMIT field GUIDELINE:\nIf the \"Previous Context\" intent or the current intent is a Playlist: Based on current or most recent user message, check if there is an indication of how many videos to process, otherwise default to 0.\n\n## STATUS field GUIDELINE\nIf intent is a Playlist or Video and _different_ from the the \"Previous Context\" then use \"PENDING\" since the user intent is to run a new process. Otherwise use the \"Previous Context\" status value.\n\n\n# Rules for Playlist and Video\n\n## YouTube Playlist URL Definition\n- A URL from www.youtube.com or youtube.com.\n- Contains the query parameter `&list=` followed by a playlist ID.\n- Example: https://www.youtube.com/...&list=PLXXXXXX (where PLXXXXXX is the playlist ID).\n\n## YouTube Video URL Definition\n- A URL from www.youtube.com, youtube.com, or youtu.be.\n- For www.youtube.com or youtube.com, it contains the query parameter `v=` followed by a video ID.\n- For youtu.be, it follows the format https://youtu.be/VIDEO_ID.\n- Examples:\n - https://www.youtube.com/watch?v=VIDEO_ID (where VIDEO_ID is the video ID).\n - https://youtu.be/VIDEO_ID\n- IMPORTANT: YouTube Video URL **Does NOT have a query parameter `list=`**\n\n\n# Previous Context\n{{ JSON.stringify($json.context_intent) }}\n"
},
"promptType": "define",
"hasOutputParser": true
},
"retryOnFail": true,
"typeVersion": 1.7,
"alwaysOutputData": true
},
{
"id": "a29403f0-ed5c-465c-a43d-84e8dee69662",
"name": "Structured Output Parser1",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
-2020,
-220
],
"parameters": {
"jsonSchemaExample": "{\n \"intent\": \"PLAYLIST|VIDEO|NONE\",\n \"url\": \"Youtube Playlist or Video URL or empty string,\",\n \"id\": \"Youtube Playlist or Video ID or empty string,\",\n \"limit\": \"number of playlist videos to process or 0\",\n \"status\": \"PENDING|READY|DONE\"\n}"
},
"typeVersion": 1.2
},
{
"id": "b3f43325-aa7b-47f3-8bbb-e27fa0c44a1e",
"name": "Update Context Intent",
"type": "n8n-nodes-base.redis",
"position": [
-1160,
-640
],
"parameters": {
"key": "=context_intent_{{ $('Chat').item.json.sessionId }}",
"value": "=intent {{ $('Process Status').item.json.output?.intent || null }} url {{ $('Process Status').item.json.output?.url || \"\" }} id {{ $('Process Status').item.json.output?.id || \"\" }} limit {{ $('Process Status').item.json.output?.limit || 0 }} status {{ $('Process Status').item.json.output?.status || 'PENDING' }}",
"keyType": "hash",
"operation": "set",
"valueIsJSON": false
},
"credentials": {
"redis": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "9c296501-049c-44b5-ae8d-8dda2c523278",
"name": "Get Previous Context Intent",
"type": "n8n-nodes-base.redis",
"onError": "continueRegularOutput",
"position": [
-2440,
-460
],
"parameters": {
"key": "=context_intent_{{ $('Chat').item.json.sessionId }}",
"keyType": "hash",
"options": {
"dotNotation": false
},
"operation": "get",
"valueIsJSON": false,
"propertyName": "context_intent"
},
"credentials": {
"redis": {
"name": "<your credential>"
}
},
"typeVersion": 1,
"alwaysOutputData": true
},
{
"id": "9499d9f2-7d6d-432b-bdde-b4b98b90b224",
"name": "Route Message Intent",
"type": "n8n-nodes-base.switch",
"position": [
-1700,
-460
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "PROCESS",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "44e008af-4a1a-429d-adb6-039e74b643a6",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ \n ($json.output.intent == \"VIDEO\" || $json.output.intent == \"PLAYLIST\")\n && $json.output.status != \"DONE\" \n}}",
"rightValue": "/PLAYLIST|VIDEO/"
}
]
},
"renameOutput": true
},
{
"outputKey": "QUERY",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "12641857-945d-4470-968e-f3f805bfe1cd",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ \n $json.output.intent == \"NONE\" || $json.output.status == \"DONE\"\n}}",
"rightValue": "NONE"
}
]
},
"renameOutput": true
}
]
},
"options": {
"fallbackOutput": "extra"
}
},
"typeVersion": 3.2
},
{
"id": "dfd329e8-98b1-4ae8-8cc1-a1a5215b1c09",
"name": "Process Status",
"type": "n8n-nodes-base.code",
"position": [
-1340,
-640
],
"parameters": {
"jsCode": "// Loop over input items and add a new field called 'myNewField' to the JSON of each one\nif ($input.last().json.output.intent == 'VIDEO') {\n $input.last().json.output.status = 'READY'\n}\n\nelse if ($input.last().json.output.intent == 'PLAYLIST' && parseInt($input.last().json.output.limit) > 0) {\n $input.last().json.output.status = 'READY'\n}\n\nelse {\n $input.last().json.output = {\n intent: $('Default Intent').first().json.output.intent,\n url: $('Default Intent').first().json.output.url,\n id: $('Default Intent').first().json.output.id,\n limit: $('Default Intent').first().json.output.limit,\n status: 'PENDING',\n }\n}\n\n\nreturn $input.all();"
},
"typeVersion": 2
},
{
"id": "c84c21c6-0948-4628-b7a8-7cd2a5602cdc",
"name": "Simple Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
-2180,
-220
],
"parameters": {
"sessionKey": "=intent_{{ $('Chat').item.json.sessionId }}",
"sessionIdType": "customKey"
},
"typeVersion": 1.3
},
{
"id": "8ad2e1d1-b657-47cd-afa5-4fc49dc7e0e6",
"name": "Simple Memory3",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
1040,
-1180
],
"parameters": {
"sessionKey": "=pl_n_{{ $('Chat').item.json.sessionId }}",
"sessionIdType": "customKey"
},
"typeVersion": 1.3
},
{
"id": "cf4d7c73-d9b1-42da-9ccc-6abccde4110c",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2540,
-620
],
"parameters": {
"color": 7,
"width": 1080,
"height": 580,
"content": "## Message intent routing\n- Retrieves the previous context for continuity.\n- Ensures data integrity before processing.\n- Routes incoming messages based on intent.\n "
},
"typeVersion": 1
},
{
"id": "c0ecf826-b803-421a-aa2a-cb713131fbb7",
"name": "Google Gemini Chat Model6",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
-2340,
-220
],
"parameters": {
"options": {},
"modelName": "models/gemini-2.0-flash-lite"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "513a8c71-e982-47df-87bd-1e3d3ae9c613",
"name": "Sticky Note9",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1420,
-1020
],
"parameters": {
"color": 7,
"width": 460,
"height": 580,
"content": "## Update Context\n- Updates any issues detected in the context.\n- Prepares data for workflow progression.\n "
},
"typeVersion": 1
},
{
"id": "d4a9d7aa-dfee-418f-900a-9649f0405861",
"name": "Sticky Note10",
"type": "n8n-nodes-base.stickyNote",
"position": [
800,
-1480
],
"parameters": {
"color": 7,
"width": 480,
"height": 460,
"content": "## Ask number of Playlist videos to process"
},
"typeVersion": 1
},
{
"id": "f89481a4-64a2-4895-821f-effe48f7d331",
"name": "Numb of Videos",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
900,
-1380
],
"parameters": {
"text": "={{ $('Chat').item.json.chatInput }}",
"options": {
"systemMessage": "=**Objective:**\n\nWe are here because the user wants to analyse a playlist in context, but we are missing how many videos he would like to process. Please reply to the user asking user to provide a number.\n\n## Context\n{{ JSON.stringify($json.output) }}"
},
"promptType": "define"
},
"typeVersion": 1.7
},
{
"id": "bb8fa898-4953-4148-8339-2d205b86fc91",
"name": "Default Intent",
"type": "n8n-nodes-base.code",
"position": [
-1920,
-460
],
"parameters": {
"jsCode": "if(\n ($('Message Intent').first().json?.output?.intent == 'NONE' \n || Object.keys($('Message Intent').first().json?.output || {}).length == 0)\n && Object.keys($('Get Previous Context Intent').first().json.context_intent).length > 0\n) {\n //use prev context intent\n if(!$input.first().json.output) {\n $input.first().json.output = {}\n }\n $input.first().json.output.intent = $('Get Previous Context Intent').first().json.context_intent?.intent || \"NONE\";\n $input.first().json.output.url = $('Get Previous Context Intent').first().json.context_intent?.url || \"\";\n $input.first().json.output.id = $('Get Previous Context Intent').first().json.context_intent?.id || \"\";\n $input.first().json.output.limit = $('Get Previous Context Intent').first().json.context_intent?.limit || 0;\n $input.first().json.output.status = $('Get Previous Context Intent').first().json.context_intent?.status || \"PENDING\";\n} else {\n // $input.first().json.output.intent = $('Message Intent').first().json.context_intent?.intent || \"NONE\";\n // $input.first().json.output.url = $('Message Intent').first().json.context_intent?.url || \"\";\n // $input.first().json.output.id = $('Message Intent').first().json.context_intent?.id || \"\";\n // $input.first().json.output.limit = $('Message Intent').first().json.context_intent?.limit || 0;\n // $input.first().json.output.status = $('Message Intent').first().json.context_intent?.status || \"PENDING\";\n}\n\n// else use message intent\n\nreturn $input.all();"
},
"typeVersion": 2
},
{
"id": "0f1d1bb6-22c0-4b65-beaf-eaf4401d7550",
"name": "Playlist Limit",
"type": "n8n-nodes-base.if",
"position": [
160,
-860
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "6ee01f0a-9533-4fb3-b023-cfcc422d9011",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $('Process Status').item.json.output.intent }}",
"rightValue": "PLAYLIST"
},
{
"id": "e9575bb2-3c60-498b-b2c7-436b62e5195c",
"operator": {
"type": "number",
"operation": "lte"
},
"leftValue": "={{ parseInt($('Process Status').item.json.output.limit) }}",
"rightValue": 0
}
]
}
},
"typeVersion": 2.2
},
{
"id": "083c17aa-de83-4f3c-8d71-f665903ce3d5",
"name": "Playlist or Video",
"type": "n8n-nodes-base.switch",
"position": [
160,
-640
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "VIDEO",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "cc3ec644-7c3d-4d9f-b7a7-89b85824e3e3",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $('Route Message Intent').item.json.output.intent }}",
"rightValue": "VIDEO"
}
]
},
"renameOutput": true
},
{
"outputKey": "PLAYLIST",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "33beac83-b96b-4e76-9d18-e22df163ea4d",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $('Route Message Intent').item.json.output.intent }}",
"rightValue": "PLAYLIST"
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "0626bc2d-9e3a-4a4f-a331-62e8b6c69840",
"name": "Get Fields for Summary",
"type": "n8n-nodes-base.code",
"position": [
2340,
480
],
"parameters": {
"jsCode": "return $('Edit Fields').all();"
},
"typeVersion": 2
},
{
"id": "4aaaed18-ce90-4296-aba2-b5fa9492655d",
"name": "Update Context Process Done1",
"type": "n8n-nodes-base.redis",
"position": [
2040,
480
],
"parameters": {
"key": "=context_intent_{{ $('Chat').first().json.sessionId }}",
"value": "=intent {{ $('Process Status').first().json.output?.intent || null }} url {{ $('Process Status').first().json.output?.url || \"\" }} id {{ $('Process Status').first().json.output?.id || \"\" }} limit {{ $('Process Status').first().json.output?.limit || 0 }} status DONE",
"keyType": "hash",
"operation": "set",
"valueIsJSON": false
},
"credentials": {
"redis": {
"name": "<your credential>"
}
},
"executeOnce": true,
"typeVersion": 1
},
{
"id": "d3f71d59-a158-43e2-bfbd-a3bec20dea5b",
"name": "Google Gemini Chat Model8",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
880,
-1180
],
"parameters": {
"options": {},
"modelName": "models/gemini-2.0-flash-thinking-exp"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "fa6b8a79-436e-4742-9732-cd5c1b2d3c88",
"name": "Playlist HTTP Request",
"type": "n8n-nodes-base.httpRequest",
"position": [
660,
-200
],
"parameters": {
"url": "={{ $('Update Context Intent').item.json.output.url }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "99d6da96-8983-4e7d-8343-b9ac975f5d20",
"name": "YouTube Transcript1",
"type": "n8n-nodes-youtube-transcription-dmr.youtubeTranscripter",
"position": [
1200,
-860
],
"parameters": {
"videoId": "={{ $('Update Context Intent').item.json.output.id }}",
"continueOnFail": true
},
"typeVersion": 1
},
{
"id": "41a07802-3fba-42fa-8482-f526a7e1b173",
"name": "Video HTTP Request",
"type": "n8n-nodes-base.httpRequest",
"position": [
900,
-860
],
"parameters": {
"url": "={{ $('Update Context Intent').item.json.output.url }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "02103114-9c22-49b1-9dee-746b84cdef66",
"name": "Get Title and Desc",
"type": "n8n-nodes-base.code",
"position": [
1200,
-640
],
"parameters": {
"jsCode": "/**\n * This code node contains a modified version of play-dl,\n * which is licensed under the GNU General Public License Version 3 (GPLv3).\n *\n * Original Library Name: play-dl\n * Original Library Source: https://github.com/play-dl/play-dl/tree/main\n * Original Library License: GNU General Public License Version 3 (GPLv3)\n * (See: https://www.gnu.org/licenses/gpl-3.0.en.html)\n *\n * Modifications were made to the original library for use within this N8N workflow.\n * These modifications are also licensed under the GNU General Public License Version 3 (GPLv3).\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program. If not, see <https://www.gnu.org/licenses/>.\n */\n\n\n/**\n * Basic function to get specific data (title, description, duration)\n * from pre-fetched HTML body data of a YouTube video page.\n * Assumes the HTML body is passed as the first argument.\n *\n * @param {string} body HTML body data of the YouTube video page.\n * @param {string} video_id YouTube video ID.\n * @param {string} url YouTube video URL.\n * @returns {Promise<{title: string, description: string, duration: number}>} Video Basic Info.\n * @throws {Error} If video ID cannot be extracted, captcha is detected,\n * or necessary data cannot be parsed.\n */\nasync function video_basic_info(body, video_id, url) {\n // --- Input Validation ---\n if (typeof body !== 'string') {\n throw new Error('body parameter must be a string of HTML');\n }\n if (typeof video_id !== 'string' || !video_id.trim()) {\n throw new Error('video_id parameter must be a non-empty string');\n }\n if (typeof url !== 'string' || !url.trim()) {\n throw new Error('url parameter must be a non-empty URL string');\n }\n\n // --- Captcha Check ---\n // Added check for consent page as well\n if (body.includes('Our systems have detected unusual traffic') || body.includes('consent.google.com')) {\n throw new Error('Captcha or Consent page encountered: YouTube likely requires interaction or detected bot-like activity.');\n }\n\n // --- Extract Player Data ---\n let player_data;\n try {\n // More robust regex to find ytInitialPlayerResponse, stopping at the next semicolon\n const player_data_match = body.match(/var ytInitialPlayerResponse\\s*=\\s*({.+?});\\s*(?:var |<\\/script)/);\n if (!player_data_match || !player_data_match[1]) {\n // Fallback attempt with simpler split (less reliable)\n const split_data = body.split('var ytInitialPlayerResponse = ');\n player_data = split_data?.[1]?.split(';</script>')?.[0];\n } else {\n player_data = player_data_match[1];\n }\n\n if (!player_data) {\n // Check for common failure indicators in the HTML if data isn't found\n if (body.includes('<title>YouTube</title>') && !body.includes('videoDetails')) {\n throw new Error('Could not find ytInitialPlayerResponse data. The page might be a generic YouTube page, not a video page, or the structure changed.');\n }\n throw new Error('Could not find ytInitialPlayerResponse data.');\n }\n } catch (error) {\n console.log(\"Error during player_data extraction:\", error);\n throw new Error(`Failed during player data extraction: ${error}`);\n }\n\n\n let player_response;\n try {\n player_response = JSON.parse(player_data);\n } catch (e) {\n console.log(\"Raw player_data that failed parsing:\", player_data.substring(0, 500) + '...'); // Log start of data\n throw new Error(`Failed to parse ytInitialPlayerResponse JSON: ${e}`);\n }\n\n // --- Extract Required Video Details ---\n // Use optional chaining for safety\n const vid = player_response?.videoDetails;\n\n // Add more robust checking, including playability status\n if (!vid) {\n const playabilityStatus = player_response?.playabilityStatus;\n let reason = \"videoDetails object not found in the response.\";\n if (playabilityStatus?.status && playabilityStatus.status !== 'OK') {\n reason = ` Playability status: ${playabilityStatus.status}. Reason: ${playabilityStatus.reason ||\n playabilityStatus.errorScreen?.playerErrorMessageRenderer?.reason?.simpleText ||\n playabilityStatus.errorScreen?.playerKavRenderer?.reason?.simpleText ||\n 'No specific reason provided.'\n }`;\n } else if (playabilityStatus?.status === 'OK' && !vid) {\n reason = \" Playability status is OK, but videoDetails is still missing. Response structure might have changed.\";\n }\n throw new Error(`Could not get video details. ${reason}`);\n }\n\n // --- Return Simplified Data ---\n // Ensure values exist before accessing, provide defaults if necessary\n return {\n title: vid.title || 'N/A',\n description: vid.shortDescription || '', // Default to empty string if missing\n duration: Number(vid.lengthSeconds) || 0, // Default to 0 if missing/invalid\n };\n}\n\n\nreturn video_basic_info($input.first().json.data, $('Update Context Intent').first().json.output.id, $('Update Context Intent').first().json.output.url);"
},
"retryOnFail": true,
"typeVersion": 2,
"alwaysOutputData": true,
"waitBetweenTries": 500
},
{
"id": "6cea694e-0147-4cd0-a601-9b232813a1d3",
"name": "Split Out2",
"type": "n8n-nodes-base.splitOut",
"position": [
1440,
-860
],
"parameters": {
"include": "selectedOtherFields",
"options": {},
"fieldToSplitOut": "transcript",
"fieldsToInclude": "youtubeId"
},
"typeVersion": 1
},
{
"id": "c479fb51-e17d-477a-b40b-65458cc3e679",
"name": "Concatenate1",
"type": "n8n-nodes-base.summarize",
"position": [
1660,
-860
],
"parameters": {
"options": {},
"fieldsToSplitBy": "youtubeId",
"fieldsToSummarize": {
"values": [
{
"field": "transcript.text",
"separateBy": " ",
"aggregation": "concatenate"
}
]
}
},
"typeVersion": 1
},
{
"id": "ccca5021-248b-4a98-af6b-ee92b2d63dca",
"name": "Sticky Note12",
"type": "n8n-nodes-base.stickyNote",
"position": [
800,
-1000
],
"parameters": {
"color": 7,
"width": 1140,
"height": 560,
"content": "## Fetch and prepare single video transcripts data for processing\n- Retrieves and pre-processes single video transcripts.\n- Prepares data for analysis and summarization.\n"
},
"typeVersion": 1
},
{
"id": "1e9ecc6e-2b4d-4ae8-8949-d4b92eaf9287",
"name": "Get Videos",
"type": "n8n-nodes-base.code",
"position": [
1520,
480
],
"parameters": {
"jsCode": "return $('Edit Fields').all();"
},
"typeVersion": 2
},
{
"id": "f8ea7a40-b1f9-4dc2-959d-0e765331b191",
"name": "Get Playlist Videos Data",
"type": "n8n-nodes-base.code",
"position": [
860,
-200
],
"parameters": {
"jsCode": "/**\n * This code node contains a modified version of play-dl,\n * which is licensed under the GNU General Public License Version 3 (GPLv3).\n *\n * Original Library Name: play-dl\n * Original Library Source: https://github.com/play-dl/play-dl/tree/main\n * Original Library License: GNU General Public License Version 3 (GPLv3)\n * (See: https://www.gnu.org/licenses/gpl-3.0.en.html)\n *\n * Modifications were made to the original library for use within this N8N workflow.\n * These modifications are also licensed under the GNU General Public License Version 3 (GPLv3).\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program. If not, see <https://www.gnu.org/licenses/>.\n */\n\n\n/**\n * Gets YouTube playlist info from a playlist url.\n *\n * Example\n * ```js\n * const playlist = await play.playlist_info('youtube playlist url')\n *\n * const playlist = await play.playlist_info('youtube playlist url', { incomplete : true })\n * ```\n * @param body HTML body of the playlist page\n * @param url Playlist URL\n * @returns YouTube Playlist\n */\nfunction playlist_info(body, url) {\n let url_ = url.trim();\n if (body.indexOf('Our systems have detected unusual traffic from your computer network.') !== -1)\n throw new Error('Captcha page: YouTube has detected that you are a bot!');\n\n const response = JSON.parse(\n body\n .split('var ytInitialData = ')[1]\n .split(';</script>')[0]\n .split(/;\\s*(var|const|let)\\s/)[0]\n );\n\n if (response.alerts) {\n if (response.alerts[0].alertWithButtonRenderer?.type === 'INFO') {\n throw new Error(\n `While parsing playlist url\\n${response.alerts[0].alertWithButtonRenderer.text.simpleText}`\n );\n } else if (response.alerts[0].alertRenderer?.type === 'ERROR')\n throw new Error(`While parsing playlist url\\n${response.alerts[0].alertRenderer.text.runs[0].text}`);\n else throw new Error('While parsing playlist url\\nUnknown Playlist Error');\n }\n if (response.currentVideoEndpoint) {\n return getWatchPlaylist(response, body, url_);\n } else return getNormalPlaylist(response, body);\n}\n\n/**\n * Function to parse Playlist from YouTube search\n * @param data html data of that request\n * @param limit No. of videos to parse\n * @returns Array of YouTube Video objects.\n */\nfunction getPlaylistVideos(data, limit = Infinity) {\n const videos = [];\n\n for (let i = 0; i < data.length; i++) {\n if (limit === videos.length) break;\n const info = data[i].playlistVideoRenderer;\n if (!info || !info.shortBylineText) continue;\n\n videos.push({\n id: info.videoId,\n duration: parseInt(info.lengthSeconds) || 0,\n duration_raw: info.lengthText?.simpleText ?? '0:00',\n thumbnails: info.thumbnail.thumbnails,\n title: info.title.runs[0].text,\n upcoming: info.upcomingEventData?.startTime\n ? new Date(parseInt(info.upcomingEventData.startTime) * 1000)\n : undefined,\n channel: {\n id: info.shortBylineText.runs[0].navigationEndpoint.browseEndpoint.browseId || undefined,\n name: info.shortBylineText.runs[0].text || undefined,\n url: `https://www.youtube.com${info.shortBylineText.runs[0].navigationEndpoint.browseEndpoint.canonicalBaseUrl ||\n info.shortBylineText.runs[0].navigationEndpoint.commandMetadata.webCommandMetadata.url\n }`,\n icon: undefined\n }\n });\n }\n return videos;\n}\n\n\nfunction getWatchPlaylist(response, body, url) {\n const playlist_details = response.contents.twoColumnWatchNextResults.playlist?.playlist;\n if (!playlist_details)\n throw new Error(\"Watch playlist unavailable due to YouTube layout changes.\")\n\n const videos = getWatchPlaylistVideos(playlist_details.contents);\n const videoCount = playlist_details.totalVideos;\n const channel = playlist_details.shortBylineText?.runs?.[0];\n const badge = playlist_details.badges?.[0]?.metadataBadgeRenderer?.style.toLowerCase();\n\n return {\n id: playlist_details.playlistId || '',\n title: playlist_details.title || '',\n videoCount: parseInt(videoCount) || 0,\n videos: videos,\n url: url,\n channel: {\n id: channel?.navigationEndpoint?.browseEndpoint?.browseId || null,\n name: channel?.text || null,\n url: `https://www.youtube.com${channel?.navigationEndpoint?.browseEndpoint?.canonicalBaseUrl ||\n channel?.navigationEndpoint?.commandMetadata?.webCommandMetadata?.url\n }`,\n verified: Boolean(badge?.includes('verified')),\n artist: Boolean(badge?.includes('artist'))\n }\n };\n}\n\nfunction getNormalPlaylist(response, body) {\n const json_data =\n response.contents.twoColumnBrowseResultsRenderer.tabs[0].tabRenderer.content.sectionListRenderer.contents[0]\n .itemSectionRenderer.contents[0].playlistVideoListRenderer.contents;\n const playlist_details = response.sidebar.playlistSidebarRenderer.items;\n const videos = getPlaylistVideos(json_data, 100);\n\n const data = playlist_details[0].playlistSidebarPrimaryInfoRenderer;\n if (!data.title.runs || !data.title.runs.length) throw new Error('Failed to Parse Playlist info.');\n\n const author = playlist_details[1]?.playlistSidebarSecondaryInfoRenderer.videoOwner;\n const views = data.stats.length === 3 ? data.stats[1].simpleText.replace(/\\D/g, '') : 0;\n const lastUpdate =\n data.stats\n .find((x) => 'runs' in x && x['runs'].find((y) => y.text.toLowerCase().includes('last update')))\n ?.runs.pop()?.text ?? null;\n const videosCount = data.stats[0].runs[0].text.replace(/\\D/g, '') || 0;\n\n return {\n id: data.title.runs[0].navigationEndpoint.watchEndpoint.playlistId,\n title: data.title.runs[0].text,\n videoCount: parseInt(videosCount) || 0,\n lastUpdate: lastUpdate,\n views: parseInt(views) || 0,\n videos: videos,\n url: `https://www.youtube.com/playlist?list=${data.title.runs[0].navigationEndpoint.watchEndpoint.playlistId}`,\n link: `https://www.youtube.com${data.title.runs[0].navigationEndpoint.commandMetadata.webCommandMetadata.url}`,\n channel: author\n ? {\n name: author.videoOwnerRenderer.title.runs[0].text,\n id: author.videoOwnerRenderer.title.runs[0].navigationEndpoint.browseEndpoint.browseId,\n url: `https://www.youtube.com${author.videoOwnerRenderer.navigationEndpoint.commandMetadata.webCommandMetadata.url ||\n author.videoOwnerRenderer.navigationEndpoint.browseEndpoint.canonicalBaseUrl\n }`,\n icons: author.videoOwnerRenderer.thumbnail.thumbnails ?? []\n }\n : {},\n thumbnail: data.thumbnailRenderer.playlistVideoThumbnailRenderer?.thumbnail.thumbnails.length\n ? data.thumbnailRenderer.playlistVideoThumbnailRenderer.thumbnail.thumbnails[\n data.thumbnailRenderer.playlistVideoThumbnailRenderer.thumbnail.thumbnails.length - 1\n ]\n : null\n };\n}\n\nfunction parseDuration(text) {\n if (!text) return 0;\n const split = text.split(':');\n\n switch (split.length) {\n case 2:\n return parseInt(split[0]) * 60 + parseInt(split[1]);\n\n case 3:\n return parseInt(split[0]) * 60 * 60 + parseInt(split[1]) * 60 + parseInt(split[2]);\n\n default:\n return 0;\n }\n}\n\nfunction getWatchPlaylistVideos(data, limit = Infinity) {\n const videos = [];\n\n for (let i = 0; i < data.length; i++) {\n if (limit === videos.length) break;\n const info = data[i].playlistPanelVideoRenderer;\n if (!info || !info.shortBylineText) continue;\n const channel_info = info.shortBylineText.runs[0];\n\n videos.push({\n id: info.videoId,\n duration: parseDuration(info.lengthText?.simpleText) || 0,\n duration_raw: info.lengthText?.simpleText ?? '0:00',\n thumbnails: info.thumbnail.thumbnails,\n title: info.title.simpleText,\n upcoming:\n info.thumbnailOverlays[0].thumbnailOverlayTimeStatusRenderer?.style === 'UPCOMING' || undefined,\n channel: {\n id: channel_info.navigationEndpoint.browseEndpoint.browseId || undefined,\n name: channel_info.text || undefined,\n url: `https://www.youtube.com${channel_info.navigationEndpoint.browseEndpoint.canonicalBaseUrl ||\n channel_info.navigationEndpoint.commandMetadata.webCommandMetadata.url\n }`,\n icon: undefined\n }\n });\n }\n\n return videos;\n}\n\n\nreturn playlist_info($input.first().json.data, $('Update Context Intent').first().json.output.url);"
},
"retryOnFail": true,
"typeVersion": 2,
"alwaysOutputData": true,
"waitBetweenTries": 500
},
{
"id": "71b60b8e-06df-45a8-85a3-7b9e938fb6f0",
"name": "Embeddings Google Gemini2",
"type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
"position": [
2640,
1060
],
"parameters": {
"modelName": "models/text-embedding-004"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "58feccf5-1b97-4c88-b274-444e177f4515",
"name": "Qdrant Vector Store3",
"type": "@n8n/n8n-nodes-langchain.vectorStoreQdrant",
"position": [
-100,
160
],
"parameters": {
"options": {},
"qdrantCollection": {
"__rl": true,
"mode": "id",
"value": "={{ $('Default Intent').first().json.output?.id }}"
}
},
"credentials": {
"qdrantApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "6cff2236-3e78-4e8c-bb3d-5140f106c530",
"name": "Answer questions with a vector store",
"type": "@n8n/n8n-nodes-langchain.toolVectorStore",
"position": [
180,
-40
],
"parameters": {
"name": "chat_playlist_data",
"topK": 10,
"description": "=Retrive data about the Playlist or Video from the vector store.\nplaylistId or youtubeId: {{ $('Default Intent').item.json.output?.id }}\n\n**User Message:**\n{{ $('Chat').item.json.chatInput }}"
},
"typeVersion": 1
},
{
"id": "312081d9-9279-4700-a432-e9f878d5361e",
"name": "Qdrant Vector Store4",
"type": "@n8n/n8n-nodes-langchain.vectorStoreQdrant",
"position": [
2700,
900
],
"parameters": {
"options": {},
"qdrantCollection": {
"__rl": true,
"mode": "id",
"value": "={{ $('Default Intent').first().json.output?.id }}"
}
},
"credentials": {
"qdrantApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "f5cba8b5-226d-4b0a-8cb6-a51728ac8247",
"name": "Answer questions with a vector store1",
"type": "@n8n/n8n-nodes-langchain.toolVectorStore",
"position": [
2860,
700
],
"parameters": {
"name": "chat_playlist_data",
"topK": 6,
"description": "=User Message:\n{{ $('Chat').item.json.chatInput }}"
},
"typeVersion": 1
},
{
"id": "22f18788-b47f-4187-9146-28e6de5ec7a6",
"name": "Google Gemini Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
3000,
900
],
"parameters": {
"options": {},
"modelName": "models/gemini-2.0-flash"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "2aa52dd2-169b-43dc-8202-1d60f5fd55c0",
"name": "Google Gemini Chat Model3",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
220,
160
],
"parameters": {
"options": {},
"modelName": "models/gemini-2.0-flash"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "d96d3670-ab95-4afc-a275-33f03383a204",
"name": "Qdrant Vector Store2",
"type": "@n8n/n8n-nodes-langchain.vectorStoreQdrant",
"position": [
-820,
-880
],
"parameters": {
"mode": "load",
"prompt": "Are there any documents in the store?",
"options": {},
"qdrantCollection": {
"__rl": true,
"mode": "id",
"value": "={{ $('Process Status').item.json.output?.id }}"
}
},
"credentials": {
"qdrantApi": {
"name": "<your credential>"
}
},
"typeVersion": 1,
"alwaysOutputData": true
},
{
"id": "7c289d61-09b2-461e-b771-8781f60828c7",
"name": "Embeddings Google Gemini4",
"type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
"position": [
-840,
-640
],
"parameters": {
"modelName": "models/text-embedding-004"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "59be01b0-3ff9-4cc2-b569-c0cb4dcae3ec",
"name": "If",
"type": "n8n-nodes-base.if",
"position": [
-260,
-880
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
googlePalmApiqdrantApiredis
About this workflow
⚡AI-Powered YouTube Playlist & Video Summarization and Analysis v2. Uses lmChatGoogleGemini, agent, splitOut, chainLlm. Chat trigger; 72 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →