> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-docsad-1784318169-21cfc01.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-docsad-1784318169-21cfc01/mpCFmN8fYCtKEXh9/images/brand/docs-favicon.png?fit=max&auto=format&n=mpCFmN8fYCtKEXh9&q=85&s=9878e22819c6bb86a04be48970c7848e" 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-docsad-1784318169-21cfc01/_XIR4dJyGMeYB7rh/images/providers/light/deno.svg?fit=max&auto=format&n=_XIR4dJyGMeYB7rh&q=85&s=8308073420dd89b9c38ebc5240f5b0ae" 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-docsad-1784318169-21cfc01/mpCFmN8fYCtKEXh9/images/providers/dark/deno.svg?fit=max&auto=format&n=mpCFmN8fYCtKEXh9&q=85&s=e623cd772ec4ee3b8ce4bf5ac35b679c" 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-docsad-1784318169-21cfc01/_XIR4dJyGMeYB7rh/images/providers/light/daytona.svg?fit=max&auto=format&n=_XIR4dJyGMeYB7rh&q=85&s=0229a95a75b9288567e7d21f11582bb2" 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-docsad-1784318169-21cfc01/mpCFmN8fYCtKEXh9/images/providers/dark/daytona.svg?fit=max&auto=format&n=mpCFmN8fYCtKEXh9&q=85&s=0276e8505ce21ea9556013ecbc7c33e9" 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-docsad-1784318169-21cfc01/_XIR4dJyGMeYB7rh/images/providers/light/modal.svg?fit=max&auto=format&n=_XIR4dJyGMeYB7rh&q=85&s=38fcc2a28c610aeeabf4cd5fabdf24ef" 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-docsad-1784318169-21cfc01/mpCFmN8fYCtKEXh9/images/providers/dark/modal.svg?fit=max&auto=format&n=mpCFmN8fYCtKEXh9&q=85&s=ce6f7c783186a1593cfe46a3aae8d584" 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).

***

<div className="source-links">
  <Callout icon="terminal-2">
    [Connect these docs](/use-these-docs) to Claude, VSCode, and more via MCP for real-time answers.
  </Callout>

  <Callout icon="edit">
    [Edit this page on GitHub](https://github.com/langchain-ai/docs/edit/main/src/oss/javascript/integrations/sandboxes/index.mdx) or [file an issue](https://github.com/langchain-ai/docs/issues/new/choose).
  </Callout>
</div>