repo-scan Every ecosystem has its own dependency manager, but no tool looks across C++, Android, iOS, and Web to tell you: how much code is actually yours, what's third-party, and what's dead weight. When to Use - Taking over a large legacy codebase and need a structural overview - Before major refactoring — identify what's core, what's duplicate, what's dead - Auditing third-party dependencies embedded directly in source (not declared in package managers) - Preparing architecture decision records for monorepo reorganization Installation Review the source before installing any agent skill. In…