• context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
• agent harness — The scaffolding around a model that turns it into a working agent — the loop, the tools it can call, and the rules for when to stop.
• AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.

Sketches a concrete pattern for standardizing AI harness configuration across a team instead of everyone hand-tuning their own agent setup, backed by a working ~20KB POC.

• articleI rebuilt a 4-year-old app in 5 days using many agents – here's harnessgregrog
• videoRealtime multiplayer, automation, and you! — Idan Gazit, GitHubAI Engineer
• articleInside OpenAI’s agentic software factoryGergely Orosz

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