Antigravity Nix

Antigravity Nix is an open source Nix flake that packages Google Antigravity, Google's agentic development platform, for NixOS and Home Manager users. It provides three packages: the Antigravity 2.0 base app for orchestrating agents, the Antigravity IDE, and the Antigravity CLI, invoked as agy. GitHub Actions check for new upstream releases daily, verify hashes, test the build and publish updates, so Nix users receive new Antigravity versions without packaging them by hand. It is aimed at developers on NixOS or using Nix on other systems who want Antigravity installed declaratively and reproducibly. The GUI apps can run inside a sandboxed FHS environment built with bubblewrap, which is the most compatible option but blocks privilege escalation, or as a variant with directly patched binaries that runs natively without a sandbox. An overlay, version pinning through tagged releases and an option to isolate the Chrome profile the apps use are included. Linux on x86 and ARM is built and verified in CI, while macOS packages are provided but described as experimental and untested. Because versions are pinned, users upgrade on their own schedule by updating the flake. The flake is free under the MIT license. Antigravity itself has a $0 individual plan that includes access to several Gemini and Claude models, unlimited tab completions and unlimited command requests with basic weekly rate limits; Google AI Pro and Google AI Ultra subscriptions raise rate limits and add a flexible AI credit pool, and an organization plan is offered through Google Cloud. This is a community project maintained on GitHub, not a Google product, although the listing links to Google's official Antigravity site.