--- title: "UV Package Manager" type: skill id: "wshobson-agents/python-development/uv-package-manager" category: "Engineering" publisher: "Seth Hobson" license: "MIT" source: "https://github.com/wshobson/agents/tree/7e2fb55" canonical: "https://labs.pho.chat/en/skills/wshobson-agents/python-development/uv-package-manager" open_in_pho: "https://pho.chat/customize?item=wshobson-agents%2Fpython-development%2Fuv-package-manager&utm_source=labs&utm_medium=skill-page&utm_campaign=skills-library" --- # UV Package Manager Master the uv package manager for fast Python dependency management, virtual environments, and modern Python project workflows. Use when setting up Python projects, managing dependencies, or optimizing Python development workflows with uv. Source: Seth Hobson (MIT), copied at a pinned commit. Free to use. Part of the Phở Skills library (https://labs.pho.chat/en/skills). Skill set: Python development (https://labs.pho.chat/en/skills/wshobson-agents/python-development.md). ## What it covers - When to Use This Skill - Core Concepts - 1. What is uv? - 2. Key Features - 3. UV vs Traditional Tools - Installation - Quick Install - Verify Installation - Quick Start - Create a New Project - Install Dependencies - Virtual Environment Management - Pattern 1: Creating Virtual Environments - Pattern 2: Activating Virtual Environments - Pattern 3: Using uv run - Package Management - Pattern 4: Adding Dependencies - Pattern 5: Removing Dependencies - Pattern 6: Upgrading Dependencies - Pattern 7: Locking Dependencies ## Other skills in this set - [Async Python Patterns](https://labs.pho.chat/en/skills/wshobson-agents/python-development/async-python-patterns.md): Master Python asyncio, concurrent programming, and async/await patterns for high-performance applications. Use when building async APIs, concurrent systems, or I/O-bound applications requiring… - [Python Anti-Patterns Checklist](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-anti-patterns.md): Use this skill when reviewing Python code for common anti-patterns to avoid. Use as a checklist when reviewing code, before finalizing implementations, or when debugging issues that might stem from… - [Python Background Jobs & Task Queues](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-background-jobs.md): Python background job patterns including task queues, workers, and event-driven architecture. Use when implementing async task processing, job queues, long-running operations, or decoupling work… - [Python Code Style & Documentation](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-code-style.md): Python code style, linting, formatting, naming conventions, and documentation standards. Use when writing new code, reviewing style, configuring linters, writing docstrings, or establishing project… - [Python Configuration Management](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-configuration.md): Python configuration management via environment variables and typed settings. Use when externalizing config, setting up pydantic-settings, managing secrets, or implementing environment-specific… - [Python Design Patterns](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-design-patterns.md): Python design patterns including KISS, Separation of Concerns, Single Responsibility, and composition over inheritance. Use this skill when designing a new service or component from scratch and… - [Python Error Handling](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-error-handling.md): Python error handling patterns including input validation, exception hierarchies, and partial failure handling. Use when implementing validation logic, designing exception strategies, handling batch… - [Python Observability](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-observability.md): Python observability patterns including structured logging, metrics, and distributed tracing. Use when adding logging, implementing metrics collection, setting up tracing, or debugging production… - [Python Packaging](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-packaging.md): Create distributable Python packages with proper project structure, setup.py/pyproject.toml, and publishing to PyPI. Use when packaging Python libraries, creating CLI tools, or distributing Python… - [Python Performance Optimization](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-performance-optimization.md): Profile and optimize Python code using cProfile, memory profilers, and performance best practices. Use when debugging slow Python code, optimizing bottlenecks, or improving application performance. - [Python Project Structure & Module Architecture](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-project-structure.md): Python project organization, module architecture, and public API design. Use when setting up new projects, organizing modules, defining public interfaces with __all__, or planning directory layouts. - [Python Resilience Patterns](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-resilience.md): Python resilience patterns including automatic retries, exponential backoff, timeouts, and fault-tolerant decorators. Use when adding retry logic, implementing timeouts, building fault-tolerant… - [Python Resource Management](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-resource-management.md): Python resource management with context managers, cleanup patterns, and streaming. Use when managing connections, file handles, implementing cleanup logic, or building streaming responses with… - [Python Testing Patterns](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-testing-patterns.md): Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices. - [Python Type Safety](https://labs.pho.chat/en/skills/wshobson-agents/python-development/python-type-safety.md): Python type safety with type hints, generics, protocols, and strict type checking. Use when adding type annotations, implementing generic classes, defining structural interfaces, or configuring… ## Use it - In Phở: open https://pho.chat/customize?item=wshobson-agents%2Fpython-development%2Fuv-package-manager&utm_source=labs&utm_medium=skill-page&utm_campaign=skills-library and press Try, or add it so Phở loads it whenever a request matches. Phở works with your own API key (OpenAI, Anthropic, Google and others). - Full instructions (original SKILL.md, unchanged): https://labs.pho.chat/skills/raw/wshobson-agents/python-development/skills/uv-package-manager/SKILL.md - Original files: https://github.com/wshobson/agents/tree/7e2fb55 (MIT). - Full machine-readable index: https://labs.pho.chat/skills.json