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Open-source agent framework and LangSmith platform for building, testing, deploying, and monitoring reliable AI agents.

AI agentsLLM app frameworkagent orchestrationLangGraphLangSmithRAGobservabilityevaluationmodel integrationsMCPOpenTelemetryopen source
Also known as:LangChain FrameworkLangChain OSSLangChain AIAll LangChain alternatives →
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Features

  • Tracing and observability
  • Evaluation and scoring
  • Agent deployment
  • Sandboxed code execution
  • No code Fleet agents
  • Multi framework support

Tool Details

Editorial score
4.4/5
Category
AI Automation & Agents
Last verified
2026-07-09
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