--- name: uv-package-manager description: "Comprehensive guide to using uv, an extremely fast Python package installer and resolver written in Rust, for modern Python project management and dependency workflows." risk: safe source: community date_added: "2026-02-27" --- # UV Package Manager Comprehensive guide to using uv, an extremely fast Python package installer and resolver written in Rust, for modern Python project management and dependency workflows. ## Use this skill when - Setting up new Python projects quickly - Managing Python dependencies faster than pip - Creating and managing virtual environments - Installing Python interpreters - Resolving dependency conflicts efficiently - Migrating from pip/pip-tools/poetry - Speeding up CI/CD pipelines - Managing monorepo Python projects - Working with lockfiles for reproducible builds - Optimizing Docker builds with Python dependencies ## Do not use this skill when - The task is unrelated to uv package manager - You need a different domain or tool outside this scope ## Instructions - Clarify goals, constraints, and required inputs. - Apply relevant best practices and validate outcomes. - Provide actionable steps and verification. - If detailed examples are required, open `resources/implementation-playbook.md`. ## Resources - `resources/implementation-playbook.md` for detailed patterns and examples. ## Limitations - Use this skill only when the task clearly matches the scope described above. - Do not treat the output as a substitute for environment-specific validation, testing, or expert review. - Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.