Context Engineering

The discipline that replaced prompt engineering — the 6 core components

LLM = CPU, Context Window = RAM — a mental model for everything

From crafting sentences to designing systems

System prompts, tools, memory, RAG, few-shot, conversation history

Write, Select, Compress, Isolate — the framework for context design

Compaction, scratchpads, multi-agent delegation, tool management

Context rot, poisoning, clash, and how to avoid them

See context engineering in action with live code

Production-ready guidelines for context engineering

Papers, blogs, repos, and tools

Build a context window and watch an agent improve

Anthropic/OpenAI/Google cache mechanics, economics, and design patterns

Claude's thinking mode, OpenAI reasoning_effort, and when to use them

Images, PDFs, and structured data in LLM context