Server
An MCP server that provides isolated sandbox environments for executing code in multiple programming languages. Built for AI assistants and developers who need secure, containerized code execution.
Installation
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SandboxRunner

Multi-language MCP (Model Context Protocol) server providing isolated sandbox environments for secure code execution. Uses runc/OCI containers for process isolation and supports Python, JavaScript/TypeScript, Go, Rust, Java, C++, C#, and Shell.
Features
- Secure containerized code execution with runc/OCI
- Multi-language support with language-specific handlers
- Resource monitoring and limits (CPU, memory, disk)
- SQLite-based persistence for sandbox state
- MCP protocol over stdio or HTTP/WebSocket
- Configurable security policies and audit logging
Quick Start
Build and run:
make build
make run
Generate configuration:
make config
Run tests:
make test
Documentation
- Getting Started - Setup and basic usage
- API Documentation - Tool reference
- Guides - Usage guides and tutorials
- Languages - Language-specific capabilities
- Production Deployment - Deployment guide
- Operations Runbook - Operations and monitoring
Configuration
Server configuration is managed through config/mcp-sandboxd.yaml. See Getting Started for configuration options.
Requirements
- Go 1.24+
- runc container runtime
- Linux with container support
License
MIT
