AOS Community Edition is an open agent operating system for building inspectable and composable agent environments. It provides the aos command-line interface, an HTTP API, community distributions, first-party capsules, provider and model controls, and Unicity Audit. The supported installer provisions a pinned runtime and a versioned collection of 21 Community Edition capsules. Local assets allow both standard and offline initialization, while coordinated upgrades preserve product compatibility. Signed release metadata, checksums, provenance attestations, and runtime compatibility files strengthen supply-chain verification. ...