> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-docsau-1785869675-f3bf36c.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-docsau-1785869675-f3bf36c/ks38lc-ll13U67KW/images/brand/docs-favicon.png?fit=max&auto=format&n=ks38lc-ll13U67KW&q=85&s=324fe1bbb023d6eb9365a0dfb4e5e5a4" alt="" noZoom 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-docsau-1785869675-f3bf36c/u_DujQgM5SUgzI43/images/providers/light/deno.svg?fit=max&auto=format&n=u_DujQgM5SUgzI43&q=85&s=9202a161ec9816b63ed688fabf06d091" alt="" noZoom 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-docsau-1785869675-f3bf36c/ks38lc-ll13U67KW/images/providers/dark/deno.svg?fit=max&auto=format&n=ks38lc-ll13U67KW&q=85&s=78dd3d8cb1c63655803d821abb4740f6" alt="" noZoom 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-docsau-1785869675-f3bf36c/u_DujQgM5SUgzI43/images/providers/light/daytona.svg?fit=max&auto=format&n=u_DujQgM5SUgzI43&q=85&s=f853cf40c54a08d717472b9cb7493648" alt="" noZoom 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-docsau-1785869675-f3bf36c/ks38lc-ll13U67KW/images/providers/dark/daytona.svg?fit=max&auto=format&n=ks38lc-ll13U67KW&q=85&s=5ec65f0fff3b244a1005581412f2a7d7" alt="" noZoom 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-docsau-1785869675-f3bf36c/u_DujQgM5SUgzI43/images/providers/light/modal.svg?fit=max&auto=format&n=u_DujQgM5SUgzI43&q=85&s=2488e4f82fbd0e4dcb5f8a710eb5042c" alt="" noZoom 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-docsau-1785869675-f3bf36c/ks38lc-ll13U67KW/images/providers/dark/modal.svg?fit=max&auto=format&n=ks38lc-ll13U67KW&q=85&s=36dc9728478a816fa9b6c7bdb3113e53" alt="" noZoom width="24" height="24" data-path="images/providers/dark/modal.svg" />

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

  <a href="https://leap0.dev/docs" 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-docsau-1785869675-f3bf36c/u_DujQgM5SUgzI43/images/providers/light/leap0.svg?fit=max&auto=format&n=u_DujQgM5SUgzI43&q=85&s=5caf2c4c9ef7eeae599ec626f7a1921d" alt="" noZoom width="24" height="24" data-path="images/providers/light/leap0.svg" />

    <img className="hidden dark:block w-5 h-5" src="https://mintcdn.com/langchain-5e9cc07a-preview-docsau-1785869675-f3bf36c/ks38lc-ll13U67KW/images/providers/dark/leap0.svg?fit=max&auto=format&n=ks38lc-ll13U67KW&q=85&s=5127f22a3c1dde69d337d1933c13997f" alt="" noZoom width="24" height="24" data-path="images/providers/dark/leap0.svg" />

    <span className="font-semibold">Leap0</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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