> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-sineha-1783732909-9486b1c.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Sandbox integrations

> Integrate with sandbox providers using LangChain JavaScript.

Sandboxes provide isolated execution environments for running agent-generated code safely. Learn more about [sandboxes](/oss/javascript/deepagents/sandboxes).

<div className="grid grid-cols-1 md:grid-cols-2 gap-3">
  <a href="/langsmith/sandboxes" className="flex items-center justify-center gap-1.5 p-2 rounded-lg border border-gray-200 dark:border-gray-700 hover:border-gray-300 dark:hover:border-gray-600 no-underline">
    <img className="w-5 h-5" src="https://mintcdn.com/langchain-5e9cc07a-preview-sineha-1783732909-9486b1c/m3ZDULzGUh3lKf4o/images/brand/docs-favicon.png?fit=max&auto=format&n=m3ZDULzGUh3lKf4o&q=85&s=8e4cb7558ad0e08b6e3e329ce2bf08d2" alt="" width="650" height="650" data-path="images/brand/docs-favicon.png" />

    <span className="font-semibold">LangSmith</span>
  </a>

  <a href="/oss/javascript/integrations/providers/deno" className="flex items-center justify-center gap-1.5 p-2 rounded-lg border border-gray-200 dark:border-gray-700 hover:border-gray-300 dark:hover:border-gray-600 no-underline">
    <img className="block dark:hidden w-5 h-5" src="https://mintcdn.com/langchain-5e9cc07a-preview-sineha-1783732909-9486b1c/JTKBNReeiTc9FGsR/images/providers/light/deno.svg?fit=max&auto=format&n=JTKBNReeiTc9FGsR&q=85&s=9e729871ae9fc915614266668a988c95" alt="" width="24" height="24" data-path="images/providers/light/deno.svg" />

    <img className="hidden dark:block w-5 h-5" src="https://mintcdn.com/langchain-5e9cc07a-preview-sineha-1783732909-9486b1c/m3ZDULzGUh3lKf4o/images/providers/dark/deno.svg?fit=max&auto=format&n=m3ZDULzGUh3lKf4o&q=85&s=569bd6c84ea45dcb4ec2030eb7558e31" alt="" width="24" height="24" data-path="images/providers/dark/deno.svg" />

    <span className="font-semibold">Deno</span>
  </a>

  <a href="/oss/javascript/integrations/providers/daytona" className="flex items-center justify-center gap-1.5 p-2 rounded-lg border border-gray-200 dark:border-gray-700 hover:border-gray-300 dark:hover:border-gray-600 no-underline">
    <img className="block dark:hidden w-5 h-5" src="https://mintcdn.com/langchain-5e9cc07a-preview-sineha-1783732909-9486b1c/JTKBNReeiTc9FGsR/images/providers/light/daytona.svg?fit=max&auto=format&n=JTKBNReeiTc9FGsR&q=85&s=53b98d358377b7cae711c574b3296b8c" alt="" width="66" height="60" data-path="images/providers/light/daytona.svg" />

    <img className="hidden dark:block w-5 h-5" src="https://mintcdn.com/langchain-5e9cc07a-preview-sineha-1783732909-9486b1c/m3ZDULzGUh3lKf4o/images/providers/dark/daytona.svg?fit=max&auto=format&n=m3ZDULzGUh3lKf4o&q=85&s=7b9b081f0813fb1e8d55119ee99e1217" alt="" width="66" height="60" data-path="images/providers/dark/daytona.svg" />

    <span className="font-semibold">Daytona</span>
  </a>

  <a href="/oss/javascript/integrations/providers/modal" className="flex items-center justify-center gap-1.5 p-2 rounded-lg border border-gray-200 dark:border-gray-700 hover:border-gray-300 dark:hover:border-gray-600 no-underline">
    <img className="block dark:hidden w-5 h-5" src="https://mintcdn.com/langchain-5e9cc07a-preview-sineha-1783732909-9486b1c/JTKBNReeiTc9FGsR/images/providers/light/modal.svg?fit=max&auto=format&n=JTKBNReeiTc9FGsR&q=85&s=3229e03ff967507a682c51e1432983df" alt="" width="24" height="24" data-path="images/providers/light/modal.svg" />

    <img className="hidden dark:block w-5 h-5" src="https://mintcdn.com/langchain-5e9cc07a-preview-sineha-1783732909-9486b1c/m3ZDULzGUh3lKf4o/images/providers/dark/modal.svg?fit=max&auto=format&n=m3ZDULzGUh3lKf4o&q=85&s=092b41396ff52059d6ed7a824039def3" alt="" width="24" height="24" data-path="images/providers/dark/modal.svg" />

    <span className="font-semibold">Modal</span>
  </a>
</div>

If you'd like to contribute a sandbox, see [Implement a sandbox integration](/oss/javascript/contributing/implement-langchain#sandboxes).

***

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