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Model Context Protocol Documentation: Spec, Schema, Changelog

Short answer: Model Context Protocol documentation is versioned by date, not by number. Each revision has its own specification pages, a schema published beside them, and a changelog recording what…

  • Model Context Protocol consists of specification, schema, and changelog documents.
  • Each revision has its own specification, schema, and changelog, identified by dates.
  • Changelog is the sole reliable source for upgrading and explains change reasoning.

RAG Architecture Diagram: the Boxes and What Each Arrow Costs

Short answer: A RAG architecture diagram is five boxes and the arrows that join them - an index you build, a retriever that turns a query into candidates, a reranker that orders them, a context builder that packs what the model may read, and a loop controller that decides whether any of it runs again.

  • RAG architecture consists of five boxes and six arrows
  • Loop controller incurs most of the costs in the process
  • Context builder's effect measurable per single request

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