I Built the Same AI Agent in n8n, Make and LangChain: The Honest Difference
I built the exact same order-status AI agent in n8n, Make.com, and LangChain, then compared setup effort, cost model, portability, and who each platform actually suits.
All guides
204 tested guides on AI agents, n8n, RAG, and automation — newest first.
Claude vs GPT vs Gemini in n8n: Tested Cost and Speed
There is a 25x cost spread between the cheapest and priciest LLM tier for the exact same n8n AI Agent workflow. This post prices all three providers across 11 model tiers so you can pick the right Chat Model sub-node and stop overpaying.
How to Use Google Sheets as a Database for Your n8n Automations
Turn a Google Sheet into a real datastore for your n8n automations. This guide covers the full CRUD mapping, the Append or Update Row upsert, API quota limits, and when to move to a real database.
How to Use n8n with MCP: Client, Server, and AI Agent Setup
Your n8n AI agent can chat, but it cannot act beyond the nodes you hard-wired. The MCP Client Tool and MCP Server Trigger change that: one gives your agent a server's worth of tools, the other turns your workflows into tools Claude can call.
Build an AI Telegram Bot With n8n (No Code, No Fees)
Build an AI-powered n8n Telegram bot in under an hour using three nodes and zero platform fees. Get a shareable t.me link, no business verification required, and a bot that replies around the clock.
Automate Client Onboarding With n8n: Welcome Email, Notion, and More
Build an n8n client onboarding automation that sends a Claude-written welcome email, creates a Notion project page, and logs the client in a CRM sheet, all in under 30 seconds after a new client signs.
pgvector vs Chroma vs Qdrant: Choosing a Vector Database for RAG
Compare pgvector, Chroma, and Qdrant for local RAG pipelines. Get the three-line decision: already on Postgres, use pgvector; prototyping locally, use Chroma; need scale or heavy filtering, use Qdrant.
How to Make Your n8n Workflows Reliable: Error Handling, Retries, and Alerts
n8n does zero error handling by default. Learn to add three layers: node retries, inline error outputs, and one Error Workflow that alerts you whenever any workflow fails silently.
Build a WhatsApp AI Agent With n8n and Twilio
Connect n8n, Claude, and Twilio to build a WhatsApp AI agent that answers customer FAQs instantly. Test free on the Twilio sandbox, then go live for $0.005 per reply.
How to Back Up and Version Your n8n Workflows With Git
Self-hosted n8n stores every workflow in one database file. This guide shows you the free CLI-to-Git backup method, the exact export commands, and the encryption key step most tutorials skip.
MCP Servers for Solopreneurs: Wire Your AI Into Everything
MCP servers give your AI assistant working hands: connect it to GitHub, Supabase, Zapier, and n8n with one standard protocol. First server live in about 20 minutes, free to start.
Local RAG With Ollama: Chat With Your Business Docs Privately
Local RAG with Ollama lets you ask questions across hundreds of private documents without uploading a single file to the cloud. This guide covers three paths from 20-minute desktop setup to n8n pipelines, all at $0 running cost.