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Tuomo Nikulainen

Building Pisama to catch failures in LLM agent systems before users do. Writing about multi-agent reliability and testing.

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A Field Guide to Multi-Agent Failure Modes

A Field Guide to Multi-Agent Failure Modes

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3 min read
Do You Actually Need a Multi-Agent System?

Do You Actually Need a Multi-Agent System?

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3 min read
Why Heuristic Detectors Beat LLMs at Finding Agent Failures

Why Heuristic Detectors Beat LLMs at Finding Agent Failures

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5 min read
The 17 Ways AI Agents Break in Production

The 17 Ways AI Agents Break in Production

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11 min read
Heuristic Detectors vs LLM Judges: What We Learned Analyzing 7,000 Agent Traces

Heuristic Detectors vs LLM Judges: What We Learned Analyzing 7,000 Agent Traces

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7 min read
Why Your Multi-Agent System Fails Silently (And How to Detect It)

Why Your Multi-Agent System Fails Silently (And How to Detect It)

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8 min read
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