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 · 8 min read

Mandatory AI training at work: one method to take back

Mandatory AI training at work becomes useful when one small method names the input, internal result, check, and stop line for a real job.

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02 The 30% rule in AI: where it came from and what to do with itOctober 14, 2026 · 6 min read 03 How long does it take to learn Claude Code? A 15-day answerOctober 13, 2026 · 9 min read 04 Agentic workflow or automation: who decided the path?October 12, 2026 · 7 min read

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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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