n8n Code node: how to install and use external npm packages
Allowlist and install external npm packages for the n8n Code node - including the n8n 2.x task-runner gotcha most guides skip.
AutomateLab Editorial
How to fix n8n nested loops: the inner loop retains completed state bug
The inner Loop Over Items node skips processing after the first outer iteration because it retains its completed state. Here are the three fixes, including the Done-branch chain pattern that avoids the bug entirely.
Fix 'claude mcp add: unknown option --command' in the Claude Code CLI
No --command flag exists. Use -- to pass the command: claude mcp add myserver -- npx -y server. All options go before the server name.
Send automated emails with n8n: SMTP, Gmail, and templates
Set up Gmail SMTP credentials, build HTML templates with dynamic data, and wire the Send Email node into any n8n workflow.
Add AI to your Zapier workflows: a practical 2026 guide
Two built-in ways to add AI steps to any Zap -- AI by Zapier (no API key needed) and the ChatGPT integration -- with task cost breakdown, action types, and four practical workflow patterns.
Per-node n8n execution debugging with Claude: patterns and pitfalls
Three silent n8n execution failures -- Filter node drops, missing AI Agent Chat Model, and inactive webhook -- plus how to use Claude and the n8n MCP to diagnose them in plain language.
Make scenario won't trigger: 7-step webhook diagnosis
Seven sequential checks to diagnose a Make scenario that won't run: covers webhooks, polling triggers, incomplete executions queue, scheduling, and timezone issues.
How to fix n8n OAuth callback URL returning 401
Three causes of the n8n OAuth callback 401 and the exact fixes: WEBHOOK_URL mismatch, stale credentials after a domain change, and X (Twitter) OAuth1/OAuth2 endpoint confusion.
Cursor: fix 'Waiting for extension host' hang
The 'Waiting for extension host' hang blocks Cursor's AI agent and extensions. Four fixes in order of effort: restart the host, disable extensions, wipe the state database, or update Cursor.
Claude Code pricing explained: plans, token costs, and limits (2026)
Claude Code has no free tier. Pro starts at $20/month with a 5-hour rolling window, Max gives 5x-20x more usage, and the API lets you skip the subscription entirely - here's the full breakdown.