LLM Sandbox

io.github.vndee/llm-sandbox

Securely run LLM-generated code in isolated containers across 7 languages and 3 container backends.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "llm-sandbox": {
      "command": "uvx",
      "args": [
        "llm-sandbox"
      ],
      "env": {
        "BACKEND": "docker",
        "NAMESPACE": "default",
        "COMMIT_CONTAINER": "true",
        "KEEP_TEMPLATE": "true"
      }
    }
  }
}
Environment variables
  • BACKENDContainer backend to use. Must match the installed extra: mcp-docker, mcp-podman, or mcp-k8s.
  • NAMESPACEKubernetes namespace used for sandbox pods when BACKEND=kubernetes.
  • COMMIT_CONTAINERCommit the container after a run so installed libraries persist between sessions.
  • KEEP_TEMPLATEKeep the base image after the session ends to avoid re-pulling it on the next run.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.3.43
Registry
active
Published
8/3/2026

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Show visitors that LLM Sandbox is listed here — it’s also the link we check for a free listing.

LLM Sandbox — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-vndee-llm-sandbox?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="LLM Sandbox — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![LLM Sandbox — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-vndee-llm-sandbox?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.