> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-docsfi-1782565220-3e5e53a.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-docsfi-1782565220-3e5e53a/1iqByhbm_AWjpIRy/images/brand/docs-favicon.png?fit=max&auto=format&n=1iqByhbm_AWjpIRy&q=85&s=59a4440b39eb2f3c1e6d30b6e363b693" alt="" 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-docsfi-1782565220-3e5e53a/NhRCtlQGuIYDvGen/images/providers/light/deno.svg?fit=max&auto=format&n=NhRCtlQGuIYDvGen&q=85&s=7aa8ad66221fe8ec5f3ba828122900cd" 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-docsfi-1782565220-3e5e53a/1iqByhbm_AWjpIRy/images/providers/dark/deno.svg?fit=max&auto=format&n=1iqByhbm_AWjpIRy&q=85&s=dcf46d6d5a9f6c4252c16efcd3ed5162" alt="" 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-docsfi-1782565220-3e5e53a/NhRCtlQGuIYDvGen/images/providers/light/daytona.svg?fit=max&auto=format&n=NhRCtlQGuIYDvGen&q=85&s=4c996202191d6befd9e4f00bceb86a36" 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-docsfi-1782565220-3e5e53a/1iqByhbm_AWjpIRy/images/providers/dark/daytona.svg?fit=max&auto=format&n=1iqByhbm_AWjpIRy&q=85&s=8c6d0142715f1a6acd3210bb6d82c885" 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/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-docsfi-1782565220-3e5e53a/NhRCtlQGuIYDvGen/images/providers/light/modal.svg?fit=max&auto=format&n=NhRCtlQGuIYDvGen&q=85&s=71d52588e70d650352e4c4ebee1abb36" 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-docsfi-1782565220-3e5e53a/1iqByhbm_AWjpIRy/images/providers/dark/modal.svg?fit=max&auto=format&n=1iqByhbm_AWjpIRy&q=85&s=5c7d2f2d9c6d5a27c3deaef1cc35ba8c" alt="" 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>