AutomateLab Editorial

A collective of authors with a total of 18+ years of experience in AI automations

LangChain "Agent stopped due to iteration limit" error: how to fix

Why the "Agent stopped due to iteration limit or time limit" error fires - and the five-step fix that beats just raising max_iterations.

n8n webhook returns 404: the most common causes and fixes

Production webhook 404 in n8n almost always traces to one of four causes. Here's how to identify which and fix it in under five minutes.

How to fix the n8n "ECONNREFUSED" error in HTTP Request nodes

Inside the n8n container, localhost is the container - not your machine. The one-line fix, plus the IPv6 gotcha most guides miss.

Self-hosting n8n on a $5 DigitalOcean VPS: complete 2026 setup walkthrough

A 1 GB Ubuntu droplet, Docker Compose with n8n + Caddy, and the WEBHOOK_URL setting most tutorials skip - run in under 15 minutes.

How to set up an MCP server in Claude Code on Windows

Add HTTP, SSE, and stdio MCP servers to Claude Code on Windows. The cmd /c npx wrapper, the three scopes, and the errors you hit if you skip the wrapper.