When to Use This Skill | Use this skill when... | Use justfile-expert instead when... | |---|---| | Installing packages without picking a manager up front | Defining a project-local recipe | | One-off or installs across mixed projects | Standardising / for a team | | Auto-detecting between uv, bun, npm, cargo, and go | The repo already exposes installation as a recipe | | Use this skill when... | Use shell-expert instead when... | |---|---| | The user just wants the install command run | Writing a custom installer script with retries or branching | | Syncing the lockfile via the right native…