langchain
Installation
SKILL.md
LangChain Skill
Build production-ready LLM-powered applications with chains, agents, memory, and RAG pipelines.
Quick Start
# Install LangChain ecosystem
pip install langchain langchain-openai langchain-community langchain-core
# Install vector store dependencies
pip install chromadb faiss-cpu
# Install document loaders
pip install unstructured pypdf docx2txt
# Set API key
export OPENAI_API_KEY="your-api-key"