AI Coding Agent Extensions: The October 2026 Shift From Assistant to Platform
In the second week of October 2026, GitHub let you assign an issue to an agent and walk away, Anthropic let TypeScript mods rewrite Claude Code's prompt and UI, and both shipped sandboxing. The through-line: coding agents stopped being assistants you supervise and became platforms you extend — and the extension surface is now the security perimeter.
Devdatta Narawade10 min