upstash-box Python SDK Sandboxed cloud containers with built-in AI agents, shell, filesystem, git, cron schedules, and an optional headless browser. Mirrors the TypeScript SDK ( skill) with snake case names; the intentional differences are listed under Gotchas. Install & Setup Set env var or pass to constructors. The SDK ships both a synchronous (used in the examples below) and an asynchronous ( , ). The async surface is identical with and . Anonymous telemetry headers are sent with every request; opt out with the env var. Box Lifecycle Account-level env vars Injected into every box you creat…