> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-fjmorr-1785791407-cdd2734.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-fjmorr-1785791407-cdd2734/W0qR0gtmi3D8so0-/images/brand/docs-favicon.png?fit=max&auto=format&n=W0qR0gtmi3D8so0-&q=85&s=75a402c51d02d97cd35bd78821c34d3c" 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-fjmorr-1785791407-cdd2734/57r6FhMZ5epyltn4/images/providers/light/deno.svg?fit=max&auto=format&n=57r6FhMZ5epyltn4&q=85&s=20f4724788498afc9aa383772b8272a0" 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-fjmorr-1785791407-cdd2734/W0qR0gtmi3D8so0-/images/providers/dark/deno.svg?fit=max&auto=format&n=W0qR0gtmi3D8so0-&q=85&s=5302d0a73ab38bddc921181d708d3a99" 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-fjmorr-1785791407-cdd2734/57r6FhMZ5epyltn4/images/providers/light/daytona.svg?fit=max&auto=format&n=57r6FhMZ5epyltn4&q=85&s=89c3f6d32925114c771994759f6af31f" 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-fjmorr-1785791407-cdd2734/W0qR0gtmi3D8so0-/images/providers/dark/daytona.svg?fit=max&auto=format&n=W0qR0gtmi3D8so0-&q=85&s=a93a101350cb7ba589c29fba63c292be" 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-fjmorr-1785791407-cdd2734/57r6FhMZ5epyltn4/images/providers/light/modal.svg?fit=max&auto=format&n=57r6FhMZ5epyltn4&q=85&s=dec7b3cf8fca51b9c2867b78020b999a" 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-fjmorr-1785791407-cdd2734/W0qR0gtmi3D8so0-/images/providers/dark/modal.svg?fit=max&auto=format&n=W0qR0gtmi3D8so0-&q=85&s=8247a8d4604a09ac0fccbd05c5626fb2" 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-fjmorr-1785791407-cdd2734/57r6FhMZ5epyltn4/images/providers/light/leap0.svg?fit=max&auto=format&n=57r6FhMZ5epyltn4&q=85&s=ea4f14c2bd2a22cb009d6c515f86caca" 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-fjmorr-1785791407-cdd2734/W0qR0gtmi3D8so0-/images/providers/dark/leap0.svg?fit=max&auto=format&n=W0qR0gtmi3D8so0-&q=85&s=c09406ec56634d0204dffd0be760c4c7" 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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