Context Engineering
The model only knows what is in front of it. Context engineering is the craft of controlling that window: what to include, what to cut, and what to pull in on demand.
- The Model Only Knows What It Sees The context window is the model's working memory, and what you put in it matters more than how cleverly you word the request.
- Managing the Window The practical moves for filling the window well: choosing what to include, compressing long material, pulling in documents on demand, and giving a tool memory that survives across sessions.
- Context Rot and Fixes Why long sessions slowly fill with noise and the model loses the plot, and the handful of fixes - compaction, fresh starts, and pruning - that keep the signal high.