Tagged: primer
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Harness Engineering: The Machine Around the Model
The harness is everything that isn't the model. Harness engineering is the discipline of the machine that turns a raw model into an agent, and it sets the ceiling on what that model can reliably do.
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Context Engineering: Deciding What the Model Sees
Context engineering is the discipline of deciding which tokens the model sees on every step of a task, not the craft of writing one good prompt.
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What a Context Window Actually Is (and What It Costs)
A context window is the finite set of tokens a model reads on every step. Here is how it is built, why a longer one costs more than linearly, and why capacity is not reliability.