LLM Agents
-
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.
-
LangChain vs LangGraph: Agents, State and Control Flow
Compare LangChain vs LangGraph for agent loops, state, checkpoints and human approval, with guidance on when to use create_agent or a custom graph.
-
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.