Replay-Driven Agent Design — Time-Travel Debugging for Production AI Agents
Reproduce one-off agent failures from production on your laptop. A practical three-layer replay design — event, state, and decision — built on top of Antigravity's Manager Surface, with TypeScript code you can drop into your own stack.
Building a Subscription AI Agent Service with AgentKit 2.0 — Stripe Billing to Monthly Revenue Design
Complete guide to building and monetizing a subscription-based AI agent service using AgentKit 2.0. Covers Stripe integration, multi-agent design, pricing strategy, and churn prevention — everything needed to reach stable monthly recurring revenue.
Debugging Antigravity AI Agents: A Systematic Diagnosis Guide
A systematic approach to diagnosing AI agent failures in Antigravity—covering startup failures, tool call errors, loop detection, and incorrect behavior—with practical debugging patterns for each.
Antigravity April–May 2026 Updates — Manager View, Parallel Agents, and Quota Changes
A practical summary of Antigravity's major April–May 2026 updates: the Manager/Editor View split in IDE v1.22.2, parallel agent stability improvements, AGENTS.md support, Auto-continue default, and the new Ultra plan.
Can Antigravity Post to Instagram and TikTok Automatically? — Building an SNS Marketing Automation Pipeline
Learn how to build an automated posting pipeline for Instagram and TikTok using Antigravity agents. From Meta Graph API setup to TikTok Content Posting API integration, this guide walks you through a working implementation.
Replacing Prompt Engineering with DSPy in Antigravity: A Production Playbook for Self-Optimizing LLM Programs
Replace hand-tuned prompts with self-optimizing LLM programs in Antigravity — DSPy signatures, optimizers, evaluation, and production deployment.
When Parallel Antigravity Agents Fight Over the Same File — Preventing Conflicts and Surviving Real-World Race Conditions
Running Antigravity agents in parallel surfaces five concrete kinds of conflict and three classic race conditions. This guide walks through each one with reproducible failures and the locking, optimistic, and queue-based fixes I actually run in production.
Antigravity Agent Shadow Mode Production Rollout Guide — A Safer Way to Test New Versions
How to safely roll out new versions of an Antigravity AI agent by mirroring real production traffic to the new version without affecting users — design, implementation and rollout playbook.
Building Validation Loops in Antigravity Agents: 3 Patterns for AI-Verified Output
Make your Antigravity agents verify their own work. This guide walks through three practical validation loop patterns — Self-Verifier, Critic-Approver, and Test-Driven — with working code examples in AgentKit 2.0.
Teaching Antigravity Agents to Learn from Failure — A Solo Developer's Loop for Reusing Failure History
Antigravity agents repeat the same mistakes because each session starts blank. A solo developer's six-month run with a structured failure log, a separate observer agent, and the side-effect of overfitting.
Antigravity Model Picker Showing No Models — How to Diagnose and Recover
When the Antigravity model selector goes empty and you cannot pick a model, the cause is usually one of four things. This guide walks through each layer with diagnostic commands so you can recover in minutes.
Stopping an Antigravity Agent Mid-Run: How to Pause and Resume Without Losing Your Work
When an agent starts heading in the wrong direction, hitting Stop without thinking can leave half-edited files and broken checkpoints. Here is the workflow I use to pause an agent and resume cleanly.