> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-cbdocs-1784316992-3f2f380.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-cbdocs-1784316992-3f2f380/WvnaHvtfmpQQS20p/images/brand/docs-favicon.png?fit=max&auto=format&n=WvnaHvtfmpQQS20p&q=85&s=e89009c878ca84f6142d95b9407bfa2b" 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-cbdocs-1784316992-3f2f380/_uDGFlxpo7MifhwJ/images/providers/light/deno.svg?fit=max&auto=format&n=_uDGFlxpo7MifhwJ&q=85&s=e08d04eeccdecc67930c89b2d172e46b" 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-cbdocs-1784316992-3f2f380/WvnaHvtfmpQQS20p/images/providers/dark/deno.svg?fit=max&auto=format&n=WvnaHvtfmpQQS20p&q=85&s=f4e1080dc8f4e42a0374b9fa15b93618" 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-cbdocs-1784316992-3f2f380/_uDGFlxpo7MifhwJ/images/providers/light/daytona.svg?fit=max&auto=format&n=_uDGFlxpo7MifhwJ&q=85&s=9ccddbc6a9c1e04a34ddfa701b5ca41f" 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-cbdocs-1784316992-3f2f380/WvnaHvtfmpQQS20p/images/providers/dark/daytona.svg?fit=max&auto=format&n=WvnaHvtfmpQQS20p&q=85&s=e98c58dd57f4fa6375e71363990acc14" 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-cbdocs-1784316992-3f2f380/_uDGFlxpo7MifhwJ/images/providers/light/modal.svg?fit=max&auto=format&n=_uDGFlxpo7MifhwJ&q=85&s=294a12ffa742df9e67467fe46fd27e5d" 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-cbdocs-1784316992-3f2f380/WvnaHvtfmpQQS20p/images/providers/dark/modal.svg?fit=max&auto=format&n=WvnaHvtfmpQQS20p&q=85&s=373536ba01a3314bbd2af5169bfa4db6" alt="" noZoom 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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