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Context Engineering

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AI152LLM105Agents31Claude Code26MCP15Context Rot1Tokenization2Performance49

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Claude CodeAgentsAI
How Claude Code Works: Inside the Agent Loop

Open a chat with an LLM and ask it to fix a bug, and the best you get back is a suggested diff you copy into your editor by hand — the model never touched your …

Jul 31, 202611 min read
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Context RotContext EngineeringAgents
Context Rot: Why Longer AI Agent Sessions Get Worse

repo-agent is 34 turns into a routine rename: swap calculate_tax for compute_tax everywhere, except inside legacy/. Turn 1 stated that exception clearly. By tur…

Jul 29, 202610 min read
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LLMAITokenization
LLM Tokenization Explained: Why Token Count Is Not Word Count

A model does not see your prompt as words or characters. It sees token ids produced by a tokenizer. That is why a short-looking string can be expensive, a long …

Jul 28, 20264 min read
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Context EngineeringPrompt EngineeringAI
Context Engineering: Packing the Window That Shapes the Answer

A support bot gets the ticket "Checkout returns ECONNRESET after 30s." The model replies with a confident billing FAQ. The prompt was fine. The context window w…

Jul 20, 20269 min read
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