Antigravity Now Saves OAuth Tokens to the OS Keyring — Keeping Auth Alive in Headless Runs
In v2.2.1, refreshed OAuth tokens are saved to the OS keyring automatically. Pleasant on the desktop, but on headless scheduled runs the vault itself may not exist and auth quietly breaks. We design explicit backend selection, a safe file fallback, and per-location liveness checks.
Rotate Keys Without Stopping an Unattended Agent: An Overlap-Window Design
API keys and tokens are worth rotating on a schedule before they leak. But an unattended agent goes quietly dead the moment auth breaks during the swap. As an indie developer running several sites on autopilot, I lay out an overlap-window design that rotates keys without downtime.
When the Antigravity CLI Stalls on a 401 During Unattended Runs
If your scheduled Antigravity CLI job suddenly stops producing output after a single 401 in the logs, here is how to separate an expired token from a silent re-login prompt and rebuild your unattended setup.
Antigravity × Better Auth: Building a Modern TypeScript Auth Stack End-to-End
End the NextAuth fatigue with Better Auth. A practical Antigravity-driven guide that ships schema generation, OAuth, RBAC, and Passkeys with production-ready patterns.
How to Fix AI API 429 Rate Limit, Authentication, and Timeout Errors: A Complete Troubleshooting Guide
Step-by-step solutions for 429 Rate Limit, authentication failures, and timeout errors across OpenAI, Gemini, and Claude APIs. Includes retry patterns, validation scripts, and prevention best practices.
VS Code & Cursor AI Extensions Not Working: How to Fix Authentication Errors and Unresponsive Completions
Fix VS Code and Cursor AI extension issues including authentication errors, connection failures, and unresponsive completions with step-by-step troubleshooting for GitHub Copilot, Codeium, and more.
Building Real-Time Full-Stack Apps with Antigravity and Supabase: A Practical Guide
Learn how to combine Antigravity IDE with Supabase to build full-stack apps featuring authentication, database management, and real-time sync — step by step.
How to Fix Antigravity Sign-In and Account Errors
Complete troubleshooting guide for Antigravity sign-in and account setup errors. Fix infinite 'Setting Up Your Account' loops, HTTP 429 errors, invalid project resource names, unrecognized Google accounts, version incompatibilities, and two-factor authentication issues.
Building Secure API Backends with Antigravity Agents — Authentication, Validation & Rate Limiting Patterns
An advanced guide to designing and implementing secure API backends with JWT authentication, input validation, and rate limiting using Antigravity's AI agents.