LangSmith LangSmith now supports MCP Every deployed agent on LangSmith now exposes its own MCP endpoint. Leverage your agents as tools in any client supporting streamable HTTP for MCP— no custom... May 20, 2025
LangSmith LangGraph Platform GA: Deploy & manage long-running, stateful agents LangGraph Platform is now generally available. Build, deploy, and manage long-running, stateful agents — at scale. LangGraph Platform is our purpose-built... May 16, 2025
LangSmith LangGraph Studio v2: Run and debug production traces locally Our new and improved version of LangGraph Studio v2 allows you to: - Run locally (without using desktop app) - Edit prompts and other configuration directly... May 14, 2025
LangSmith Open Agent Platform: No-code platform to build agents Open Agent Platform is our latest open-source, no-code agent building platform that lets you create, manage, and use LangGraph agents. Whether you're... May 14, 2025
LangSmith Agent Observability: Gain Insights into Tool Calls & Run Stats We've launched new levels of visibility for agents to help you understand what your agent is doing! You can now get visibility into tool calls and run stats:... May 14, 2025
v0.10.38 LangSmith Multimodal support in LangSmith LangSmith now supports images, PDFs, and audio files across the playground, annotation queues, and datasets — making it easier than ever to build, test, and... May 8, 2025
v0.10.19 LangSmith Catch Production Failures Early with Alerts in LangSmith Set up real‑time notifications on error rates, run latency & feedback scores to spot failures before your customers do. If you’re already sending production... April 22, 2025
LangSmith Run interactive evals with the LangSmith Playground You can now create datasets inline and add examples to existing datasets without leaving the Playground. This update makes building a dataset to evaluate LLM... April 1, 2025
LangSmith Run evaluators in the LangSmith UI We've made evaluations even easier to set up! You can now define evaluators for datasets and tracing projects directly in the UI —no code required. After... March 27, 2025
LangSmith End-to-end native OpenTelemetry support for LangSmith SDK Introducing End-to-End OpenTelemetry Support in LangSmith LangSmith now supports full end-to-end OpenTelemetry (OTel) for LangChain and LangGraph... March 26, 2025