Grok Build Desktop (Windows, macOS) + GUI for Grok Build CLI (Grok 4.6; extensions for VS Code, Cursor, and more). New: Talks to Codex and Claude Code, too.

Multi-harness control protocol that turns requests into approved design contracts, orchestrating isolated worker sessions for sequential implementation and independent code reviews under Orca supervision for Claude Code, Codex, Cursor, Antigravity, and other AI coding agents.