AI Coding Agents Just Moved Into Your Repo — And They Brought Root Access
Seven days changed everything for AI coding agents. Between April 23 and April 28, 2026, a cluster of announcements quietly redrew the boundary between “AI helps you code” and “AI codes autonomously at scale.” SiliconSnark’s CircuitSmith called it a “category admission” — and that framing holds up. Here’s what happened, why it matters, and what practitioners should be thinking about. The Seven-Day Avalanche April 23 — OpenAI Announces GPT-5.5 OpenAI introduced GPT-5.5 and called it plainly their strongest agentic coding model to date. The emphasis wasn’t on chat quality or benchmark scores — it was on terminal workflows, real-world GitHub issue resolution, and long-horizon engineering tasks. This is a model built for operating inside a repo, not just answering questions about one. ...