LangChain

LangChain provides create_agent: a minimal, highly configurable agent harness.

LLM SDKs and routers

What LangChain’s own pages say

What it says it does	LangChain provides create_agent: a minimal, highly configurable agent harness. docs.langchain.com
Integrations	LangSmith docs.langchain.com

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.