LangChain
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General frameworks · by LangChain

LangChain

The layer under most agents. Models, tools, prompts and messages in one interface.

46 lessons4h 27m reading8 sections
01Your first agent0/10 · 53m
LangChain overview3m
Installation and setup4m
Messages5m
Content blocks5m
Custom chat models7m
invoke, batch and stream5m
Tools5m
bind_tools7m
create_agent7m
Streaming agent steps5m
Section quiz · 5 questionsNot taken
02Tools in depth0/4 · 22m
Runtime context6m
Structured output6m
Structured output errors5m
Parallel tool calls5m
Section quiz · 5 questionsNot taken
03Memory0/5 · 29m
Short-term memory6m
Trim and remove messages5m
Long-term memory6m
Semantic memory search6m
Custom state6m
Section quiz · 5 questionsNot taken
04Middleware0/8 · 44m
Middleware6m
Middleware order5m
wrap_model_call6m
Tool errors6m
Call limits5m
Model retry and fallback5m
Summarization6m
Built-in middleware5m
Section quiz · 5 questionsNot taken
05Safety0/3 · 18m
Human-in-the-loop7m
Edit and respond5m
Guardrails6m
Section quiz · 5 questionsNot taken
06Knowledge and outside tools0/7 · 43m
Documents and text splitting5m
Embeddings and vector stores6m
Retrieval tool7m
MCP tools7m
Subagents6m
Router6m
Testing6m
Section quiz · 5 questionsNot taken
07The project: a support desk0/5 · 32m
Project: desk tools7m
Project: desk guardrails6m
Project: a morning at the desk7m
Project: desk threads5m
Project: desk tests7m
Section quiz · 5 questionsNot taken
08Off the stand-ins0/4 · 26m
Integrations7m
Hosted chat model6m
Persistent vector store with Chroma7m
SQLite checkpointer6m
Section quiz · 5 questionsNot taken