Please add a documented, read-only way for third-party apps to read Antigravity quotas: remaining fraction and reset time for each model group, for both the 5-hour and weekly windows. A read-only endpoint or a quota-only OAuth scope would both work.
Today, the only ways to get this data are to probe the local language server or to sign in with Antigravity’s own OAuth client. The ToS says the second one can get accounts suspended. Because of that, quota trackers like CodexBar and Headroom must either skip Antigravity or put users’ Google accounts at risk.
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+1 on this. A documented read-only endpoint or quota-only scope would make third-party trackers much safer, since probing the local language server is fragile and using Antigravity’s own OAuth client raises the ToS concern you describe. Until then, the officially supported way to check remaining quota is the Antigravity CLI: /usage (alias /quota) shows your active model quota usage, per www.antigravity.google/docs/cli/commands/usage. Including reset time per model group in an official API would help the most.
Disclosure: I built AI Usage Ball , a small local Mac menu-bar app that shows remaining Claude/Codex/Antigravity quota at a glance (30-day free trial, then A$9.99 lifetime).