Open-Source GUI for Muse Code Drives Codex and Claude Code, 150K+ Installs

PawelHuryn · x · 2026-09-26

An open-source GUI for Muse Code targets developers who don't live in the terminal. It's free as an extension for VS Code, Cursor, and Antigravity, plus a dedicated Windows/macOS desktop app. Ships with the original Muse Spark 1.3 + Contributor harness on a bring-your-own-subscription basis, and can also drive Grok Build, Codex, and Claude Code agents. It has surpassed 150K installs across Open VSX and the VS Code marketplace.

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