n8n
n8n Chatbot with Memory Tutorial: Build a Bot That Remembers Conversations
Build an n8n chatbot with memory: attach the Simple Memory sub-node to an AI Agent, scope sessions per user, and move to Postgres Chat Memory for production.
Tutorial
n8n
n8n Code Node JavaScript Tutorial: Run Modes, $input, Data Transforms & Debugging
n8n Code node JavaScript tutorial: master run modes, $input.all(), the { json } return format, dates, and debugging, with real errors and fixes.
n8n
n8n Postgres Tutorial: Connect, Query, and Automate (2026)
Connect n8n to PostgreSQL step by step: create credentials, run Execute Query, insert, select, and update rows, and fix the five most common connection errors.
mcp
How to Build an MCP Server in Python (2026): Tools, Resources, and Claude Desktop Setup
Build an MCP server in Python with the v2 SDK: typed tools, resources, Inspector testing, and Claude Desktop setup. Verified against the current SDK release.
n8n
n8n Vector Store Tutorial: Store and Retrieve Embeddings with Pinecone and Qdrant
Connect a vector database to n8n: insert documents into Pinecone or Qdrant with the Vector Store node, match embedding dimensions, and let an AI agent retrieve your own documents. Verified against n8n 2.40.7's node definitions and Pinecone's official n8n skill.
n8n
n8n AI Agent Tutorial: Build Your First AI Agent with Tools and Memory
Build a working AI agent in n8n: connect a chat model, tools, and memory to the AI Agent node. Tested on n8n 2.40.7 with real node parameters, plus troubleshooting for the 5 most common failures.
mcp
Claude Code MCP Setup: Connect Any MCP Server in Minutes
Set up MCP servers in Claude Code: the three config scopes (local, project, user), the exact claude mcp add commands for HTTP and stdio servers, and fixes for the 5 most common failures. Tested on Claude Code 2.1.283.
MCP
MCP Server Tutorial: Build Your First MCP Server from Scratch
Learn how to build an MCP server step by step with the TypeScript SDK. Real code, real protocol traces, and how to connect it to Claude Desktop.
n8n
n8n Error Handling Tutorial: Retries, Error Outputs & Error Workflows
n8n error handling tutorial: master retries, per-node error outputs, and a global Error Trigger workflow with a hands-on failing-API example.