SDK Packages

langchainhub

Client library for connecting to the LangChain Hub.

@langchain/core

Core LangChain.js abstractions and schemas

langfuse-core

@langfuse/otel

Langfuse OpenTelemetry export helpers

crewai

JavaScript implementation of the Crew AI Framework

@composio/langchain

The LangChain provider for Composio SDK, providing seamless integration with LangChain's ecosystem and tools.

@ag-ui/crewai

Implementation of the AG-UI protocol for CrewAI.

jake

JavaScript build tool, similar to Make or Rake

@angular/cli

CLI tool for Angular

llmz

LLMz - An LLM-native Typescript VM built on top of Zui

@mariozechner/pi-ai

Unified LLM API with automatic model discovery and provider configuration

@langchain/mistralai

MistralAI integration for LangChain.js

@storybook/addon-themes

Storybook Themes addon: Switch between themes from the toolbar

size-limit

CLI tool for Size Limit

@rushstack/ts-command-line

An object-oriented command-line parser for TypeScript

@langchain/langgraph

LangGraph

@langchain/google-common

Core types and classes for Google services.

langchain

Typescript bindings for langchain

@langchain/google-vertexai

LangChain.js support for Google Vertex AI

@langchain/openai

OpenAI integrations for LangChain.js

langsmith

Client library to connect to the LangSmith Observability and Evaluation Platform.

@langchain/community

Third-party integrations for LangChain.js

@limova-org/custom-tools

Limova custom LangChain tool specifications and adapters