
AI coding stack takes shape: Cursor, Claude Code, and Codex form a composable trio
Cursor rolled out Glass, a new orchestration layer to manage parallel AI coding agents; OpenAI released a codex-plugin-cc for Anthropic’s Claude Code, enabling Codex to run as a subagent inside Claude Code; and Codex can review Claude output via a cross-provider review gate. The three launches demonstrate a composable AI-coding stack—distinct layers for orchestration, execution, and review—rather than a single merged product. This pattern mirrors traditional dev-tool stacks and signals interoperability as a core trend for the AI-coding era, backed by Claude Code’s popularity and Codex’s large user base.










