This Week at Antigravity Lab: Five Posts on Deciding How Much to Hand Over to Agents
Editor's notes on five posts: sizing agent tasks by what you can review, delegating dependency updates by risk tier, a StoreKit 2 migration case study, and a Japanese UI setup guide.
Prompt Caching and Context Strategy for Antigravity Agents — Cutting 60-80% Off Monthly API Costs in Long-Running Production
The longer you keep agents running, the more the monthly invoice quietly piles up. Running Antigravity agents alongside an AdMob-monetized indie app business (50M cumulative downloads), I managed to cut API costs by 60-80% by rebuilding prompt caching and context strategy. This article shares the three-layer cache, context compression, and TTL design I now run in production — with the code and numbers behind them.
Before Your Antigravity Agent Bill Goes Sideways: A Solo Developer's Forecast and Cutback Playbook
Discovering your monthly bill is an order of magnitude larger than expected is the first big trap of running agents. Here's the forecasting and cutback playbook I've built up as an indie developer, with concrete numbers, a working guardrail script, and the monthly review cycle I use.