> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-docsde-1785862016-990fd26.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-docsde-1785862016-990fd26/qhj2lqCdnm5WkEmP/images/brand/docs-favicon.png?fit=max&auto=format&n=qhj2lqCdnm5WkEmP&q=85&s=8ba054e4073e16605e8c668fafe9b869" 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-docsde-1785862016-990fd26/dVlScs9s99KTfVUx/images/providers/light/deno.svg?fit=max&auto=format&n=dVlScs9s99KTfVUx&q=85&s=03ff2fedc7f3a58e61c39aa53e4bca10" 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-docsde-1785862016-990fd26/qhj2lqCdnm5WkEmP/images/providers/dark/deno.svg?fit=max&auto=format&n=qhj2lqCdnm5WkEmP&q=85&s=aa40ee13ca415eb89eb51fdda18ffd44" 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-docsde-1785862016-990fd26/dVlScs9s99KTfVUx/images/providers/light/daytona.svg?fit=max&auto=format&n=dVlScs9s99KTfVUx&q=85&s=2224a4934619177c2acf3f91fcc9d89c" 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-docsde-1785862016-990fd26/qhj2lqCdnm5WkEmP/images/providers/dark/daytona.svg?fit=max&auto=format&n=qhj2lqCdnm5WkEmP&q=85&s=4428178a7dbd12286d6dfc1da8d54109" 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-docsde-1785862016-990fd26/dVlScs9s99KTfVUx/images/providers/light/modal.svg?fit=max&auto=format&n=dVlScs9s99KTfVUx&q=85&s=ad8848a43fb6036c993482dd1f05ef3a" 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-docsde-1785862016-990fd26/qhj2lqCdnm5WkEmP/images/providers/dark/modal.svg?fit=max&auto=format&n=qhj2lqCdnm5WkEmP&q=85&s=3d052a98c7cb00d5f90c74a813c75315" 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-docsde-1785862016-990fd26/dVlScs9s99KTfVUx/images/providers/light/leap0.svg?fit=max&auto=format&n=dVlScs9s99KTfVUx&q=85&s=87c5a55dfcd304e114d8509950406f6a" 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-docsde-1785862016-990fd26/qhj2lqCdnm5WkEmP/images/providers/dark/leap0.svg?fit=max&auto=format&n=qhj2lqCdnm5WkEmP&q=85&s=e6eca84739d85e2da9e9ba391d203116" 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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