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When running self-hosted LangSmith Deployment, your installation includes several key components. Together these tools and services provide a complete solution for building, deploying, and managing graphs (including agentic applications) in your own infrastructure:
  • LangGraph Server: Defines an opinionated API and runtime for deploying graphs and agents. Handles execution, state management, and persistence so you can focus on building logic rather than server infrastructure.
  • LangGraph CLI: A command-line interface to build, package, and interact with graphs locally and prepare them for deployment.
  • Studio: A specialized IDE for visualization, interaction, and debugging. Connects to a local LangGraph Server for developing and testing your graph.
  • Python/JS SDK: The Python/JS SDK provides a programmatic way to interact with deployed graphs and agents from your applications.
  • RemoteGraph: Allows you to interact with a deployed graph as though it were running locally.
  • Control Plane: The UI and APIs for creating, updating, and managing LangGraph Server deployments.
  • Data plane: The runtime layer that executes your graphs, including LangGraph Servers, their backing services (PostgreSQL, Redis, etc.), and the listener that reconciles state from the control plane.
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