> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-docsau-1785868033-7465a0d.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-1785868033-7465a0d/BVLCsrsr0MQMyFyB/images/brand/docs-favicon.png?fit=max&auto=format&n=BVLCsrsr0MQMyFyB&q=85&s=8e5442a8ca3383dfc635371d2f19d45a" 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-1785868033-7465a0d/rkYazR68LTXWG2y0/images/providers/light/deno.svg?fit=max&auto=format&n=rkYazR68LTXWG2y0&q=85&s=6e2c27b1ed6b54d5a2681c42bd5defe3" 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-1785868033-7465a0d/BVLCsrsr0MQMyFyB/images/providers/dark/deno.svg?fit=max&auto=format&n=BVLCsrsr0MQMyFyB&q=85&s=0cb0269362cb3fd73e2f948b506a4c68" 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-1785868033-7465a0d/rkYazR68LTXWG2y0/images/providers/light/daytona.svg?fit=max&auto=format&n=rkYazR68LTXWG2y0&q=85&s=296b12580ab42db4bbf34b645b73d5d6" 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-1785868033-7465a0d/BVLCsrsr0MQMyFyB/images/providers/dark/daytona.svg?fit=max&auto=format&n=BVLCsrsr0MQMyFyB&q=85&s=200bafeaf3746ab12e4d76f58b4781c4" 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-1785868033-7465a0d/rkYazR68LTXWG2y0/images/providers/light/modal.svg?fit=max&auto=format&n=rkYazR68LTXWG2y0&q=85&s=fa46fe0acceb9964e880dbe13e479719" 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-1785868033-7465a0d/BVLCsrsr0MQMyFyB/images/providers/dark/modal.svg?fit=max&auto=format&n=BVLCsrsr0MQMyFyB&q=85&s=18f2f012099e8be8f8bec8b8808552ca" 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-1785868033-7465a0d/rkYazR68LTXWG2y0/images/providers/light/leap0.svg?fit=max&auto=format&n=rkYazR68LTXWG2y0&q=85&s=8998c3cea806e838eb6febcf7cb42912" 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-1785868033-7465a0d/BVLCsrsr0MQMyFyB/images/providers/dark/leap0.svg?fit=max&auto=format&n=BVLCsrsr0MQMyFyB&q=85&s=f2d7e01d86e416dda17222a0a6dd5e89" 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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