LangChain Accounts

This collection of articles from the LangChain blog focuses on the development, tooling, and evaluation of AI agents. It announces the general availability of the LangSmith Agent Builder, a no-code tool for creating agents for complex tasks. New debugging tools are introduced, including LangSmith Fetch for terminal tracing and Polly, an AI-powered assistant for analysis. The posts also cover the evaluation of "DeepAgents" on benchmarks and discuss the architecture of agent frameworks, runtimes, and middleware.