{"workflow":{"id":13964,"name":"Scrape and ingest web pages into a Pinecone RAG stack with Firecrawl and OpenAI","views":408,"recentViews":4,"totalViews":408,"createdAt":"2026-03-09T13:22:45.652Z","description":"**What this does**\n\nReceives a URL via webhook, uses Firecrawl to scrape the page into clean markdown, and stores it as vector embeddings in Pinecone. A visual, self-hosted ingestion pipeline for RAG knowledge bases. Adding a new source is as simple as sending a URL.\n\nThe second part of the workflow exposes a chat interface where an AI Agent queries the stored knowledge base to answer questions, with Cohere reranking for better retrieval quality.\n\n**How it works**\n\nPart 1: Ingestion Pipeline\n1. **Webhook** receives a POST request with a `url` field\n2. **Verify URL** validates and normalizes the domain, returning a 422 error if invalid\n3. **Firecrawl `/scrape`** fetches the page and converts it to clean markdown\n4. **Embeddings OpenAI** generates 1536-dimensional vector embeddings from the scraped content\n5. **Default Data Loader** attaches the source URL as metadata\n6. **Pinecone Vector Store** inserts the content and embeddings into the index\n7. **Respond to Webhook** confirms how many items were added\n\nPart 2: RAG Chat Agent\n1. **Chat trigger** receives a user question\n2. **AI Agent** (OpenRouter / Claude Sonnet) queries the Pinecone vector store\n3. **Cohere Reranker** improves retrieval quality before the agent responds\n4. **Agent** answers based solely on the ingested knowledge base\n\n🔥 Firecrawl   \n🌲 Pinecone   \n🧠 OpenAI Embeddings   \n🤖 OpenRouter (Claude Sonnet)   \n🎯 Cohere Reranker\n\n**Webhook usage**\n\nSend a POST request to the webhook URL:\n\n```bash\ncurl -X POST https://your-n8n-instance/webhook/your-id \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"url\": \"firecrawl.dev\"}'\n```\n\n**Pinecone setup**\n\nYour Pinecone index must be configured with **1536 dimensions** to match the OpenAI `text-embedding-3-small` model output. See the sticky note inside the workflow for the exact index settings.\n\n**Requirements**\n- Firecrawl API key\n- OpenAI API key (for embeddings)\n- OpenRouter API key (for the chat agent)\n- Cohere API key (for reranking)\n- Pinecone account with a properly configured index","workflow":{"id":"pvB5795JWJtf6D0H","meta":{"instanceId":"ba63db282a94e75c9ed970aa4cb5b2f9d6030188b3dfa060dd78ea9e1993f61a","templateCredsSetupCompleted":true},"name":"Scrape and ingest web content into Pinecone with Firecrawl","tags":[],"nodes":[{"id":"979bb858-9afc-4fbf-a2ed-c158f3b0a440","name":"Sticky Note","type":"n8n-nodes-base.stickyNote","position":[-1136,-384],"parameters":{"width":432,"height":496,"content":"> ## How it works\n> 1. A webhook receives a URL via POST request\n> 2. The URL is validated and normalized, returning a 422 error if invalid\n> 3. Firecrawl scrapes the page and converts it to clean markdown\n> 4. OpenAI generates 1536-dimensional vector embeddings from the content\n> 5. The content and embeddings are stored in Pinecone\n> 6. A built-in RAG chat agent lets you query the knowledge base using natural language, with Cohere reranking for better retrieval\n>\n> ## Setup steps\n> 1. Create a Pinecone index with the settings from the \"Pinecone setup\" sticky\n> 2. Add your Firecrawl API key\n> 3. Add your OpenAI API key (for embeddings)\n> 4. Add your OpenRouter API key (for the chat agent)\n> 5. Add your Cohere API key (for reranking)\n> 6. Activate the workflow and send a POST request with `{\"url\": \"https://example.com\"}` to the webhook\n"},"typeVersion":1},{"id":"c1cbef33-52b3-44dd-aa62-58f3fdecfc30","name":"Receive URL","type":"n8n-nodes-base.webhook","position":[-1056,144],"webhookId":"dedaa64a-3dc9-43ea-82ac-7fac034af0b2","parameters":{"path":"dedaa64a-3dc9-43ea-82ac-7fac034af0b2","options":{},"httpMethod":"POST","responseMode":"responseNode"},"typeVersion":2.1},{"id":"79cfc235-c533-4595-999f-09f3b7fb48a2","name":"Validate and normalize URL","type":"n8n-nodes-base.code","onError":"continueErrorOutput","position":[-832,144],"parameters":{"jsCode":"const body = $input.first().json.body;\nconst raw = body?.url?.trim();\n\nif (!raw) {\n  return [{\n    json: {\n      status: 422,\n      message: \"Missing 'url' field in request body.\"\n    }\n  }];\n}\n\n// Strip protocol and path to get clean domain\nconst domain = raw.replace(/^https?:\\/\\//i, \"\").replace(/\\/.*$/, \"\");\n\n// Validate domain format\nconst isValid = /^[a-zA-Z0-9]([a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z]{2,})+$/.test(domain);\n\nif (!isValid) {\n  throw new Error(`Invalid URL: \"${raw}\" is not a valid domain or URL.`);\n}\nreturn [{\n  json: {\n    status: 200,\n    domain: domain,\n    url: `https://${domain}`\n  }\n}];"},"typeVersion":2},{"id":"fe4f2f6c-d6e6-4d68-9133-8cd90fed5a39","name":"Scrape page with Firecrawl","type":"@mendable/n8n-nodes-firecrawl.firecrawl","position":[-464,-32],"parameters":{"url":"={{ $('Validate and normalize URL').item.json.url }}","operation":"scrape","scrapeOptions":{"options":{"formats":{"format":[{}]},"headers":{}}},"requestOptions":{}},"credentials":{"firecrawlApi":{"id":"2SnLAelRpQ8H5tju","name":"Firecrawl account"}},"typeVersion":1},{"id":"4f1cbecc-a01a-4c22-abcd-8263cc633c97","name":"Return URL validation error","type":"n8n-nodes-base.respondToWebhook","position":[-608,240],"parameters":{"options":{"responseKey":"={{ $json.error }}","responseCode":422}},"typeVersion":1.5},{"id":"1e0853a9-651e-4fa0-a60d-65d22cf8df9d","name":"Store embeddings in Pinecone","type":"@n8n/n8n-nodes-langchain.vectorStorePinecone","position":[-256,-32],"parameters":{"mode":"insert","options":{},"pineconeIndex":{"__rl":true,"mode":"list","value":"firecrawl","cachedResultName":"firecrawl"}},"credentials":{"pineconeApi":{"id":"s4CeKlPsrT7t5bmu","name":"PineconeApi account"}},"typeVersion":1.3},{"id":"d9e2f16a-ef0d-4879-adce-2ef72b758f7d","name":"Return ingestion result","type":"n8n-nodes-base.respondToWebhook","position":[112,-32],"parameters":{"options":{"responseCode":200},"respondWith":"json","responseBody":"={\n  \"message\": \"Added {{$input.all().length}} items to Supabase\"\n}"},"executeOnce":true,"typeVersion":1.5},{"id":"0bc6e04f-062a-4fde-9787-5d98ee68a67c","name":"Generate OpenAI 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Agent."},"credentials":{"pineconeApi":{"id":"s4CeKlPsrT7t5bmu","name":"PineconeApi account"}},"typeVersion":1.3},{"id":"f8a8894d-0c58-4702-b57b-633e9803974c","name":"Generate OpenAI embeddings1","type":"@n8n/n8n-nodes-langchain.embeddingsOpenAi","position":[-608,864],"parameters":{"options":{}},"credentials":{"openAiApi":{"id":"JbH4dWxIbojnxlW5","name":"OpenAi account"}},"typeVersion":1.2},{"id":"5c098782-83ad-4fd4-bbbb-d1d85b3df6e7","name":"Rerank results with Cohere","type":"@n8n/n8n-nodes-langchain.rerankerCohere","position":[-448,880],"parameters":{},"credentials":{"cohereApi":{"id":"ykb748QyEh1ziKPo","name":"CohereApi account"}},"typeVersion":1},{"id":"8acd099c-3f48-454b-bcf3-e75a239178a9","name":"Sticky Note1","type":"n8n-nodes-base.stickyNote","position":[-688,-384],"parameters":{"color":7,"width":272,"height":336,"content":"> ## Pinecone setup\n> Your Pinecone index must use 1536 dimensions to match the `text-embedding-3-small` OpenAI model.\n>\n> 1. Go to your Pinecone console and open your index settings\n> 2. Select text-embedding-3-small as the embedding model\n> 3. Confirm these settings:\n>\n> | Setting | Value |\n> |---|---|\n> | Modality | Text |\n> | Vector type | Dense |\n> | Dimension | 1536 |\n> | Metric | cosine |"},"typeVersion":1}],"active":false,"pinData":{"Receive URL":[{"json":{"body":{"url":"firecrawl.dev"},"query":{},"params":{},"headers":{"host":"n8n-n8n.9ac02y.easypanel.host","accept":"*/*","x-real-ip":"177.200.39.20","user-agent":"curl/8.7.1","content-type":"application/json","content-length":"46","accept-encoding":"gzip","x-forwarded-for":"177.200.39.20","x-forwarded-host":"n8n-n8n.9ac02y.easypanel.host","x-forwarded-port":"443","x-forwarded-proto":"https","x-forwarded-server":"9e627fd67644"},"webhookUrl":"https://n8n-n8n.9ac02y.easypanel.host/webhook/dedaa64a-3dc9-43ea-82ac-7fac034af0b2","executionMode":"production"}}]},"settings":{"binaryMode":"separate","availableInMCP":false,"executionOrder":"v1"},"versionId":"e7c154c2-1552-4ffb-91d2-a35ab1e7d1ee","connections":{"Chat memory":{"ai_memory":[[{"node":"Answer query from 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