Docs & PDF Q&A
LangChain
The standard framework for building AI applications
Popularity
★ 141k
Last update
2026年7月
License / pricing
MIT
Category
Docs & PDF Q&A
What it does
Chains models, data and tools together. Most RAG and agent tutorials you will find are built on it.
Summary based on the project's own description. The Japanese page has a fuller beginner guide: setup difficulty, what to prepare, and a step-by-step start.
Screenshots & visuals
フレームワークRAG