Context Engineering
Mastering the LLM Context Window

The discipline that prompt engineering was always trying to be. 32 modules on designing, assembling, optimizing, and governing everything that enters and exits an LLM's context window.

Ready to go further? The synthesis course Ultimate Context Engineering practices this discipline on an app that shows its tokens — with correctness-gated, measured results.

▶ Walkthroughs — four scenarios stepped through: assembling a window, compaction under pressure, the compression ladder breaking, and a cache lost to six tokens