Context Engineering
Context engineering is the discipline of systematically designing which information, instructions, examples, tool definitions, and state a model receives during a task.
Definition
Context engineering is the discipline of systematically designing which information, instructions, examples, tool definitions, and state a model receives during a task.
Technical Context
Long context is not automatically good context. Relevance, ordering, authorization, freshness, compaction, and cost must be designed together.
Selecting an authoritative document version is different from simply adding more context. Including two conflicting documents with unknown validity may increase token volume while reducing evidential reliability; source precedence and validity dates therefore belong in context selection.