#prompt-engineering
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LangChain Agent Errors: Loops, Tools, Parsing
Why LangChain agents loop forever, skip tools, pass bad arguments or fail to parse output, and the configuration changes that fix each symptom.
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LangChain RAG Pipeline: Setup to First Answer
How a LangChain RAG pipeline fits together: loading, chunking, embeddings, vector storage and retrieval, plus the settings that decide answer quality.
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LangChain Building Blocks: Chains, Tools and Agent Control
What LangChain actually abstracts, when an agent loop is the wrong choice, and how to keep retrieval, memory and token cost under control in production.