Supermux is the full agentic development environment that runs on every device you have, with your own subscription. Start a task in your computer then pick up from your phone. Get a push the moment an agent needs you. Read the diff and ship from your phone. Use terminal if you need to run a quick command. It supports Claude Code, Codex, Cursor, OpenCode, Grok and many more to come. MIT, self-hosted, no vendor cloud, no account.