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LLM Sandbox

vndee/llm-sandbox

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

GitHub stars
1.1K
tools
3
transport
STDIO
env vars
12
last updated
Aug 3, 2026
View on GitHub

Tools

3 tools

Public tool metadata for what this MCP can expose to an agent.

execute_codeExecute code in a secure sandbox with automatic visualization capture

Execute code in a secure sandbox with automatic visualization capture

No parameter schema in public metadata yet.

get_supported_languagesGet the list of supported programming languages

Get the list of supported programming languages

No parameter schema in public metadata yet.

get_language_detailsGet detailed information about a specific language

Get detailed information about a specific language

No parameter schema in public metadata yet.

Sponsors

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Configuration

BACKENDdefault: docker

Container backend to use. Must match the installed extra: mcp-docker, mcp-podman, or mcp-k8s.

DOCKER_HOST

Docker or Podman socket URL, e.g. unix:///var/run/docker.sock

KUBECONFIG

Path to kubeconfig file when BACKEND=kubernetes.

NAMESPACEdefault: default

Kubernetes namespace used for sandbox pods when BACKEND=kubernetes.

COMMIT_CONTAINERdefault: true

Commit the container after a run so installed libraries persist between sessions.

KEEP_TEMPLATEdefault: true

Keep the base image after the session ends to avoid re-pulling it on the next run.

SANDBOX_NETWORK_MODE

Network mode for the sandbox container. Set to 'none' for hardened isolation. Docker and Podman backends only.

SANDBOX_READ_ONLY

Mount the sandbox root filesystem read-only. Recommended: true. Docker and Podman backends only.

SANDBOX_CAP_DROP

Comma-separated Linux capabilities to drop. Recommended: ALL. Docker and Podman backends only.

SANDBOX_SECURITY_OPT

Comma-separated container security options, e.g. no-new-privileges. Docker and Podman backends only.

SANDBOX_MEMORY

Memory limit for the sandbox container, e.g. 4g. Docker and Podman backends only.

SANDBOX_CPUS

Fractional CPU allocation for the sandbox container, e.g. 1.5. Docker and Podman backends only.

Readme

LLM Sandbox

Securely Execute LLM-Generated Code with Ease

SonarQube Cloud

View the full README on GitHub

Details

Repository
github.com/vndee/llm-sandbox
Website
vndee.github.io/llm-sandbox
Category
AI & LLM Tools
Package
llm-sandbox
Transport
STDIO
Registry
MCP registry, active

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