LangGraph LangGraph Swarm for building multi-agent systems We now have a lightweight library for building swarm-style multi-agent systems with LangGraph. Key features include: The library is available via pip install... March 6, 2025
LangGraph LangGraph 0.3: Pre-built agents LangGraph has always been about giving full control over your AI agents—no hidden prompts, no enforced architectures. But we also know that getting started... March 2, 2025
LangChain Claude 3.7 Support in LangChain Python & JavaScript Claude 3.7 support has been released for both JavaScript (via @langchain/anthropic package) and Python versions of LangChain. This lets LangChain users to... March 1, 2025
LangGraph MCP Adapters for LangChain and LangGraph The LangChain MCP Adapters is a package that makes it easy to use Anthropic Model Context Protocol (MCP) tools with LangChain & LangGraph. It: Why use MCP... March 1, 2025
LangSmith New ingest-backend service for faster LangSmith performance We've launched a new dedicated Go service called 'ingest-backend' to handle all run and feedback ingestion in LangSmith. This architectural improvement... February 26, 2025
LangGraph LangGraph Supervisor: A Library for Hierarchical Multi-Agent Systems We've released LangGraph Supervisor, a new lightweight Python library that simplifies building hierarchical multi-agent systems with LangGraph. Key features... February 26, 2025
LangSmith ⚖️ Start Evaluating LLMs with OpenEvals Evals are a vital part of bringing LLM apps to production. To make it easier to get started, we launched a new OSS repo: OpenEvals ! OpenEvals contains... February 26, 2025
LangSmith 📊 Group LangSmith experiments by metadata to get valuable insights We’ve added a new view that allows you to group experiment results by metadata. Compare the performance of your evaluations across different segments (eg.... February 25, 2025
LangGraph useStream for integrating LangGraph for your React app You can now integrate LangGraph into your React application with a single hook. Thread and state management, messages streaming and branching built-in. See... February 21, 2025
LangSmith Saved workspace secrets in LangSmith Playground You can now use secrets saved in your workspace in the LangSmith Playground. Teams can use the same centralized keys used for evaluators to also experiment... February 20, 2025