Context Engineering for AI

Mar 15 2026 · Python 3.12, LangChain 1.2, n8n 2.0, VS Code 1.107

Lesson 02: Context Engineering with LangChain

Context Pruning Demo

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In this demo you’ll apply one of the context engineering techniques from the previous section, context pruning, using a LangGraph agent.

export OPENAI_API_KEY='insert-open-ai-api-key'
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