2fa07b19f6
so we don't get type errors when invoking w/ dict type (openai format) messages would love to have types for these eventually so we can get proper checking before <img width="759" height="257" alt="Screenshot 2025-10-16 at 9 46 08 PM" src="https://github.com/user-attachments/assets/aabe716f-6d8f-429d-ae47-31dd8617752d" /> after <img width="751" height="228" alt="Screenshot 2025-10-16 at 9 51 09 PM" src="https://github.com/user-attachments/assets/e74dcf12-874b-43ca-9d5b-5575ef8ced73" />
Packages
Important
This repository is structured as a monorepo, with various packages located in this libs/ directory. Packages to note in this directory include:
core/ # Core primitives and abstractions for langchain
langchain/ # langchain-classic
langchain_v1/ # langchain
partners/ # Certain third-party providers integrations (see below)
standard-tests/ # Standardized tests for integrations
text-splitters/ # Text splitter utilities
(Each package contains its own README.md file with specific details about that package.)
Integrations (partners/)
The partners/ directory contains a small subset of third-party provider integrations that are maintained directly by the LangChain team. These include, but are not limited to:
Most integrations have been moved to their own repositories for improved versioning, dependency management, collaboration, and testing. This includes packages from popular providers such as Google and AWS. Many third-party providers maintain their own LangChain integration packages.
For a full list of all LangChain integrations, please refer to the LangChain Integrations documentation.