Core LangChain.js abstractions and schemas
React integration for LangGraph & LangChain
LangGraph checkpoint saver backed by Firestore + GCS, with automatic GCS spill for large payloads.
Implementation of the AG-UI protocol for LangGraph.
Core toolkit for LangGraph.js — provides agent templates, middleware, and utilities not included in @langchain/langgraph
javascript checkpoint client
Google Generative AI integration for LangChain.js
Svelte integration for LangGraph & LangChain
An implementation of a computer use agent (CUA) using LangGraph
Old abstractions from LangChain.js
Anthropic integrations for LangChain.js
Production-ready MongoDB checkpointer for LangGraph (extends BaseCheckpointSaver). Works with LangGraph serde (optional), ships ESM/CJS + types.
Queue data from a stream until a checkpoint is hit
LangChain AWS integration
Various implementations of LangChain.js text splitters
MistralAI integration for LangChain.js
Client library for connecting to the LangChain Hub.
LangGraph agent module package for the GenAI AWS plugins for Backstage
Langfuse integration for LangChain
Sample integration for LangChain.js
Google auth based authentication support for Google services
Production-ready TypeScript agent framework built on LangGraph with orchestration, middleware, and typed abstractions.
Cohere integration for LangChain.js
Vue integration for LangGraph & LangChain