Tag: langchain

Browse 3 practical software engineering resources tagged with "langchain". Discover code recipes, design patterns, documentation templates, and in-depth guides to help you build, deploy, and maintain production-ready solutions involving langchain.

Build Stateful AI Agents with LangGraph State Machines

Create multi-step AI agents with LangGraph using state machines, conditional edges, tool calling, and human-in-the-loop checkpoints for production workflows

python langgraph agents state machine

Compose LCEL Chains in LangChain for Multi-Step LLM

Build composable LLM pipelines with LangChain Expression Language (LCEL) using pipes, parallel execution, and custom runnable components

python langchain lcel llm

Complete Guide to LangChain in Production

Run LangChain in production. Covers chains, agents, memory, tools, LCEL, streaming, callbacks, RAG integration, evaluation, and deployment patterns for reliable LangChain-powered applications.

langchain ai guide chains