A new macOS application called Cetus has hit Hacker News, promising to serve as a centralized interface for running multiple AI coding assistants—including Claude Code, Codex, and OpenCode—without switching between terminals or contexts. The project, shared by developer drewnekota via the GitHub repository at github.com/drewnekota/cetus, represents an interesting approach to the increasingly fragmented landscape of LLM-powered development tools.

What We Know (And What's Still Murky)

The Show HN post landed on July 28, 2026 with modest engagement—just six points and no visible comment threads at time of publication. The source material available for this report doesn't include the full README or feature documentation from the repository, making it difficult to assess Cetus's actual capabilities, technical implementation, or how it differentiates itself from simply running these tools via command line.

Why This Matters

Claude Code, OpenAI's Codex (powering GitHub Copilot's more advanced features), and OpenCode each represent different approaches to AI-assisted coding. Developers working across multiple projects—or those evaluating which assistant works best for their workflow—currently juggle separate installations, API configurations, and mental contexts. A unified launcher could streamline that experience, assuming Cetus handles the plumbing cleanly.

The macOS Angle

Native macOS support means potential integration with familiar workflows: Spotlight-style quick access, Menu Bar presence, maybe even keyboard shortcuts for power users. Whether Cetus delivers on any of this remains unclear from available documentation—but the platform choice signals intent to serve developers already deep in Apple's ecosystem.

Key Takeaways

  • Cetus supports Claude Code, Codex, and OpenCode under one roof
  • Posted as a Show HN project by developer drewnekota
  • Limited public feedback so far (6 points, no comments visible)
  • Full feature set and documentation not available in current source material

The Bottom Line

The idea of consolidating AI coding assistants is solid—fragmentation is real pain for developers. Whether Cetus executes well enough to matter depends heavily on implementation details we simply can't see yet. Worth watching, but I'd hold off on installing anything until the repo has a proper README and some user testimonials.