What this does
What this does Receives 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. The 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. How it works Part 1: Ingestion Pipeline Webhook receives a POST request with a url field Verify URL validates and normalizes the domain, returning a 422 error if invalid Firecrawl /scrape fetches the page and converts it to clean markdown Embeddings OpenAI generates 1536-dimensional vector embeddings from the scraped content Default Data Loader attaches the source URL as metadata Pinecone Vector Store inserts the content and embeddings into the index Respond to Webhook confirms how many items were added Part 2: RAG Chat Agent Chat trigger receives a user question AI Agent (OpenRouter / Claude Sonnet) queries the Pinecone vector store Cohere Reranker improves retrieval quality before the agent responds Agent answers based solely on the ingested knowledge base 🔥 Firecrawl 🌲 Pinecone 🧠 OpenAI Embeddings 🤖 OpenRouter (Claude Sonnet) 🎯 Cohere Reranker Webhook usage Send a POST request to the webhook URL: curl -X POST https://your-n8n-instance/webhook/your-id \ -H "Content-Type: application/json" \ -d '{"url": "firecrawl.dev"}' Pinecone setup Your 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. Requirements Firecrawl API key OpenAI API key (for embeddings) OpenRouter API key (for the chat agent) Cohere API key (for reranking) Pinecone account with a properly configured index. An n8n automation workflow template by Firecrawl.
Firecrawl
web
free
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