> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-cursor-1782516244-310aa48.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-cursor-1782516244-310aa48/xOZd0BeIpRUNrP69/images/brand/docs-favicon.png?fit=max&auto=format&n=xOZd0BeIpRUNrP69&q=85&s=06711adffab99ff95d7ce9579b5c410d" 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-cursor-1782516244-310aa48/7rOrhKdJ2AyCe-o7/images/providers/light/deno.svg?fit=max&auto=format&n=7rOrhKdJ2AyCe-o7&q=85&s=3b54353bce804193165804fa762e3500" 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-cursor-1782516244-310aa48/xOZd0BeIpRUNrP69/images/providers/dark/deno.svg?fit=max&auto=format&n=xOZd0BeIpRUNrP69&q=85&s=8df62e80e4e370e898f9a6f6a95778cf" 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-cursor-1782516244-310aa48/7rOrhKdJ2AyCe-o7/images/providers/light/daytona.svg?fit=max&auto=format&n=7rOrhKdJ2AyCe-o7&q=85&s=13ce2697aad4f3757586b67aefd36926" 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-cursor-1782516244-310aa48/xOZd0BeIpRUNrP69/images/providers/dark/daytona.svg?fit=max&auto=format&n=xOZd0BeIpRUNrP69&q=85&s=85d958015bb6ace5eb476fd4f3beacf4" 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-cursor-1782516244-310aa48/7rOrhKdJ2AyCe-o7/images/providers/light/modal.svg?fit=max&auto=format&n=7rOrhKdJ2AyCe-o7&q=85&s=3a91f44d2a35fcefd7e36b800fce6be4" 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-cursor-1782516244-310aa48/xOZd0BeIpRUNrP69/images/providers/dark/modal.svg?fit=max&auto=format&n=xOZd0BeIpRUNrP69&q=85&s=deab5dc554b985c312e757a7b33b0ce1" 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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