What is an agent harness and why does it matter so much?
An agent harness is everything running around the model: context, tools, permission and cost. Why it explains more of the outcome than the model.
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Recent articles
What is the difference between an agent, a workflow and a chatbot?
Agent vs workflow vs chatbot: who picks the next step is what separates them, and most cases that ask for an agent are better off as a workflow.
What is an agentic prompt?
An agentic prompt carries four sections a normal prompt doesn't: a tool policy, a stopping criterion, error recovery and a step budget.
What is an AI agent?
An agent is a model inside a loop with tools and a stopping rule. What changes versus a single call, and when that trade is worth making.
What are AI's open problems today?
The open problems in AI as of July 2026: reliability, autonomy, learning, cost and understanding — and what has already left that list.
What is artificial intelligence?
What is artificial intelligence: systems doing work that would take human intelligence. How it works underneath, what changed, and where it breaks.
How do you keep up with AI research?
Keeping up with AI research is triage, not reading: where papers land, how to discard 99% of them, and how to read what survives in three passes.
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