Articles · Arun Nagarathanam

What I learn
while making things.

Practical notes from building with AI, teaching it, and checking what the tools actually do. Start with the work you came for.

Read the AI agent series Browse every article

01 · AI, Claude and agents

Understand the tools before you trust them.

The Agentic AI series follows real jobs on Arun's machine. The posts show what an agent did, where its judgment helped, and what still needed a human check.

Latest in the series · 5 min read

AI agent mistakes: the check that caught my first error

One retained AI report counted six business days as seven. See the check that caught it, the corrected report, and a safer review habit.

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02 What an AI agent costs per month: real numbers, not the demo'sOctober 1, 2026 · 5 min read 03 AI agent examples that are boring on purposeSeptember 30, 2026 · 8 min read 04 Do you really need an AI agent? The reversibility testSeptember 29, 2026 · 7 min read

Explore the full AI agent series

02 · Two deeper libraries

Follow the subject you need.

01 / AI search

Get found when people ask AI.

GEO guides for the shift from search rankings to answers, citations, and recommendations.

104 published guides 02 / Regulatory

Find your way through complex guidance.

Practical regulatory reading on EU MDR, IVDR, and EMA guidance, with source-backed explanations.

26 published guides

03 · The archive

Looking for something specific?

The complete archive brings every published article into one place. The GEO quiz can help if your question is specifically about AI search visibility.

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