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configure-package-management Package managers: uv (Python), bun (TypeScript). Use when setting up uv or bun, migrating from pip/npm/yarn/poetry/pipenv, or resolving lockfile conflicts.
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created "2025-12-16T00:00:00.000Z" modified "2026-06-01T00:00:00.000Z" reviewed "2026-06-01T00:00:00.000Z" description Package managers: uv (Python), bun (TypeScript). Use when setting up uv or bun, migrating from pip/npm/yarn/poetry/pipenv, or resolving lockfile conflicts. allowed-tools Glob, Grep, Read, Write, Edit, Bash, AskUserQuestion, TodoWrite, WebSearch, WebFetch args [--check-only] [--fix] [--manager <uv|bun|npm|cargo>] argument-hint [--check-only] [--fix] [--manager <uv|bun|npm|cargo>] name configure-package-management
/configure:package-management
Check and configure modern package managers for optimal development experience.
When to Use This Skill
Use this skill when... Use another approach when... Setting up a new project with modern package managers (uv, bun) Installing a single dependency — run uv add or bun add directly Migrating from legacy package managers (pip, npm, yarn, poetry) to modern ones Project uses cargo or go mod (already optimal, no migration needed) Auditing package manager configuration for best practices Configuring linting or formatting tools — use /configure:linting Ensuring lock files, dependency groups, and CI/CD integration are properly configured Resolving a specific dependency conflict — debug with uv pip compile or bun install --verbose Detecting and cleaning up conflicting lock files from multiple managers Only need to install dependencies — run uv sync or bun install directly
Context
Project root: !pwd
Package files: !find . -maxdepth 1 \( -name 'package.json' -o -name 'pyproject.toml' -o -name 'Cargo.toml' -o -name 'go.mod' \)
Lock files: !find . -maxdepth 1 \( -name 'uv.lock' -o -name 'bun.lockb' -o -name 'package-lock.json' -o -name 'yarn.lock' -o -name 'pnpm-lock.yaml' -o -name 'poetry.lock' -o -name 'Pipfile.lock' \)
Python venv: !find . -maxdepth 1 -type d -name '.venv'
Legacy files: !find . -maxdepth 1 \( -name 'requirements.txt' -o -name 'Pipfile' \)
Project standards: !find . -maxdepth 1 -name '.project-standards.yaml'
Parameters
Parse from command arguments:
--check-only: Report compliance status without modifications (CI/CD mode)--fix: Apply fixes automatically without prompting--manager <uv|bun|npm|cargo>: Override detection (focus on specific manager)
Modern package manager preferences:
Python : uv (replaces pip, poetry, pipenv, pyenv) - 10-100x faster
JavaScript/TypeScript : bun (alternative to npm/yarn/pnpm) - significantly faster
Rust : cargo (standard, no alternatives needed)
Go : go mod (standard, no alternatives needed)
Execution Execute this package management compliance check:
Step 1: Detect project languages and current package managers Check for language and manager indicators:
Indicator Language Current Manager Recommended pyproject.tomlPython uv / poetry / pip uv requirements.txtPython pip uv PipfilePython pipenv uv poetry.lockPython poetry uv uv.lockPython uv uv package.json + bun.lockbJavaScript/TypeScript bun bun package.json + package-lock.jsonJavaScript/TypeScript npm bun package.json + yarn.lockJavaScript/TypeScript yarn bun package.json + pnpm-lock.yamlJavaScript/TypeScript pnpm bun Cargo.tomlRust cargo cargo go.modGo go mod go mod
Use WebSearch or WebFetch to verify latest versions before configuring.
Step 2: Analyze current configuration state For each detected language, check configuration:
JavaScript/TypeScript (bun):
Step 3: Generate compliance report Print a formatted compliance report:
Package Management Configuration Report
=======================================
Project: [name]
Languages: Python, TypeScript
Python:
Package manager uv 0.5.x [MODERN | LEGACY pip]
pyproject.toml exists [EXISTS | MISSING]
Lock file uv.lock [EXISTS | OUTDATED | MISSING]
Virtual environment .venv/ [EXISTS | MISSING]
Python version 3.12 [PINNED | NOT PINNED]
Dependency groups dev, test, docs [CONFIGURED | MINIMAL]
Build backend hatchling [CONFIGURED | MISSING]
JavaScript/TypeScript:
Package manager bun 1.1.x [MODERN | npm | yarn]
package.json exists [EXISTS | MISSING]
Lock file bun.lockb [EXISTS | MISSING]
Scripts dev, build, test, lint [COMPLETE | INCOMPLETE]
Type definitions tsconfig.json [CONFIGURED | MISSING]
Engine constraints package.json engines [PINNED | NOT PINNED]
Overall: [X issues found]
Recommendations:
- Migrate from pip to uv for faster installs
- Add uv.lock to version control
- Configure dependency groups in pyproject.toml
- Migrate from npm to bun for better performance
If --check-only, stop here.
Step 4: Configure package managers (if --fix or user confirms) Apply configuration based on detected languages. Use templates from REFERENCE.md :
Python with uv
Install uv (via mise, curl, or homebrew)
Initialize project with uv init or migrate from existing manager
Create/update pyproject.toml with project metadata and dependency groups
Generate uv.lock
Update .gitignore
JavaScript/TypeScript with bun
Install bun (via mise, curl, or homebrew)
Remove old lock files (package-lock.json, yarn.lock, pnpm-lock.yaml)
Run bun install to generate bun.lockb
Update scripts in package.json
Update .gitignore
Step 5: Handle migrations If migrating from a legacy manager:
Install uv
Run uv init
Migrate dependencies: uv add -r requirements.txt or copy from poetry
Remove old files (requirements.txt, Pipfile, poetry.lock)
Update CI/CD workflows
Install bun
Remove old lock files and node_modules
Run bun install
Update scripts to use bun equivalents
Update CI/CD workflows
Step 6: Configure CI/CD integration Update GitHub Actions workflows to use modern package managers:
Python : Replace pip install with astral-sh/setup-uv@v8 + uv syncJavaScript : Replace actions/setup-node with oven-sh/setup-bun@v2
Step 7: Update standards tracking Update .project-standards.yaml:
standards_version: "2025.1"
last_configured: "[timestamp]"
components:
package_management: "2025.1"
python_package_manager: "uv"
javascript_package_manager: "bun"
lock_files_committed: true
Step 8: Print final report Print a summary of changes applied, migrations performed, and next steps for verifying the configuration.
For detailed configuration templates and migration guides, see REFERENCE.md .
Agentic Optimizations Context Command Quick compliance check /configure:package-management --check-onlyAuto-fix all issues /configure:package-management --fixCheck uv version uv --versionCheck bun version bun --versionList Python deps uv pip list --format jsonList JS deps bun pm ls --json
Flags Flag Description --check-onlyReport status without offering migrations --fixApply all migrations automatically without prompting --manager <manager>Override detection (uv, bun, npm, cargo)
Examples
/configure:package-management
/configure:package-management --check-only
/configure:package-management --fix --manager uv
/configure:package-management --fix --manager bun
Error Handling
Multiple Python managers detected : Warn about conflict, suggest single source of truthMissing package manager : Offer to install via miseInvalid pyproject.toml : Report parse error, offer templateLock file conflicts : Warn about multiple lock files, suggest cleanupWorkspace/monorepo : Detect and configure workspace settings
See Also
/configure:linting - Configure linting tools (ruff, biome)/configure:formatting - Configure formatters/deps:install - Universal dependency installer/configure:all - Run all compliance checksuv documentation : https://docs.astral.sh/uv bun documentation : https://bun.sh/docs 