automation - Abrarqasim Blogs

WhatsApp Business API Automation in n8n: Start With the Window

How I'd build WhatsApp business API automation in n8n: design around the 24-hour service window, verify webhooks, dedupe messages, and keep a human approving AI…

Rayyan | October 13, 2026 | 7 min

Automation

The n8n Workflow That Broke Silently for Six Weeks

A silent bug in a client's n8n workflow scored every lead as zero for six weeks before anyone noticed. Here's the fix, plus how I…

Rayyan | September 28, 2026 | 7 min

AI

AI Agent Testing: Why a 77% Pass Rate Can Mean 53% in Production

IBM's consistency gap paper shows an agent passing 77% of runs succeeds five times in a row only 53% of the time. Here's the five-run…

Rayyan | September 13, 2026 | 9 min

AI

Claude Code Hooks: The Guardrails I Actually Ship

Claude Code hooks changed how I run agents. Here is the exact PreToolUse and PostToolUse setup I ship in every repo, with the JSON, exit…

Rayyan | July 7, 2026 | 9 min

AI

The skills LLMs are best at replacing aren’t the ones you’d expect

New research scores 263 tasks across four LLMs. Math and coding top the automation list, but the jobs most exposed to AI demand the opposite…

Rayyan | April 14, 2026 | 6 min