unity-repl

Run `npx skills add LambdaLabsHQ/unity-repl --all -g -y` in your terminal to install the skill globally, then add the package to your Unity project via the Package Manager git URL.

It evaluates raw C# code directly inside a running Unity Editor, letting you inspect scenes, spawn objects, toggle Play Mode, and call any Unity API without pre-built tools.

Yes. The skill follows the universal SKILL.md standard and works with Claude Code, Cursor, Codex CLI, and other compatible coding agents.

Yes. When your code returns an IEnumerator, the REPL drives it across frames like a native Unity coroutine and returns the final yielded value when finished.

Yes. Use the --validate flag to compile code without running it, which is useful for safe pre-flight checks before making changes to a live scene.