Claudebox is a comprehensive runtime harness designed to containerize Anthropic's agentic coding CLI, Claude Code, within a fully isolated Docker environment. It transforms Claude Code into a versatile development agent by providing a rich set of interfaces, including an interactive CLI, a programmatic API server with an OpenAI-compatible endpoint, an MCP server for agent-to-agent communication, a Telegram bot, and a cron scheduler for automated tasks. The tool comes in both minimal and full variants, with the latter pre-loaded with an extensive dev toolchain, ensuring Claude Code is always ready for complex coding and DevOps tasks while supporting persistent sessions, skill injection, and multi-tenant workspace management.