Getting Started
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Open LangGraph Server

Open LangGraph Server

Open LangGraph Server is the easiest way to integrate LangGraph.js into your JavaScript applications. Run AI workflows seamlessly in Next.js, Hono.js, and other modern web frameworks with enterprise-grade storage and streaming.

Why Open LangGraph Server?

Purpose-built for TypeScript and designed around LangGraph patterns, Open LangGraph Server gives you everything you need to deploy reliable AI applications.

Some highlights include:

  • Framework Integration - Native support for Next.js, Hono.js, and any JavaScript framework
  • Enterprise Storage - Multiple backends (SQLite, PostgreSQL, Redis) with automatic configuration
  • Real-time Streaming - High-performance message queues with Server-Sent Events
  • Thread Management - Complete conversation lifecycle with status tracking and persistence
  • Type Safety - Full TypeScript support with runtime validation
  • Authentication - Flexible auth integration with Better Auth, API keys, or custom middleware

What can you build?

  • AI-powered applications that combine reasoning and action
  • Conversational agents for customer support or internal tools
  • Workflow automations with complex multi-step processes
  • Real-time AI assistants with streaming responses
  • Multi-user applications with secure context isolation

Get started

Follow the for step-by-step setup:

Test with Studio

Use for interactive testing and debugging:

Visit the URL shown in your terminal to explore your graphs visually.

Choose your framework to get started:

Learn more

Need help?

We can't wait to see what you build with Open LangGraph Server! 🚀

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