Cursor + Claude Code + Codex: The AI Coding Stack Nobody Planned For

In April 2026, an unforeseen convergence of AI coding tools—Cursor v3, OpenAI's codex-plugin-cc running within Anthropic's Claude Code, and Codex CLI—led to an unplanned yet highly productive workflow. This "AI coding stack" emerged organically, becoming a valuable setup for some teams despite not being designed end-to-end by any of the companies involved.