> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-config-1776356647-6c9f431.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="/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-config-1776356647-6c9f431/QQeK5PGBZOM7dO8j/images/providers/light/modal.svg?fit=max&auto=format&n=QQeK5PGBZOM7dO8j&q=85&s=bd6b4cbeda43a069397c883055599950" alt="" 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-config-1776356647-6c9f431/AwRt-7RLxpmO9mxs/images/providers/dark/modal.svg?fit=max&auto=format&n=AwRt-7RLxpmO9mxs&q=85&s=ef98076044f1113fb02e601c23620396" alt="" width="24" height="24" data-path="images/providers/dark/modal.svg" />

    <span className="font-semibold">Modal</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-config-1776356647-6c9f431/AwRt-7RLxpmO9mxs/images/providers/light/daytona.svg?fit=max&auto=format&n=AwRt-7RLxpmO9mxs&q=85&s=a0b0cedab4c89be73b35c8f64836a245" alt="" 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-config-1776356647-6c9f431/AwRt-7RLxpmO9mxs/images/providers/dark/daytona.svg?fit=max&auto=format&n=AwRt-7RLxpmO9mxs&q=85&s=547392bf285d7d23ca1ddb785c28d70d" alt="" width="66" height="60" data-path="images/providers/dark/daytona.svg" />

    <span className="font-semibold">Daytona</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-config-1776356647-6c9f431/QQeK5PGBZOM7dO8j/images/providers/light/deno.svg?fit=max&auto=format&n=QQeK5PGBZOM7dO8j&q=85&s=bfd56614b101cb6b10cd44e41641cc37" alt="" 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-config-1776356647-6c9f431/AwRt-7RLxpmO9mxs/images/providers/dark/deno.svg?fit=max&auto=format&n=AwRt-7RLxpmO9mxs&q=85&s=a39bdf2ed73f1bc64c59a12b60ec41d2" alt="" width="24" height="24" data-path="images/providers/dark/deno.svg" />

    <span className="font-semibold">Deno</span>
  </a>

  <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-config-1776356647-6c9f431/AwRt-7RLxpmO9mxs/images/brand/docs-favicon.png?fit=max&auto=format&n=AwRt-7RLxpmO9mxs&q=85&s=f3183b7ec232d24a7c1d35855f4ecb1b" alt="" width="650" height="650" data-path="images/brand/docs-favicon.png" />

    <span className="font-semibold">LangSmith</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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  </Callout>

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    [Connect these docs](/use-these-docs) to Claude, VSCode, and more via MCP for real-time answers.
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</div>