Create ephemeral Python environments with uv run and --with package specs.
npx skills add https://github.com/plurigrid/asi --skill uv-oneliners
Please help me install this Agent Skill. Skill: uv-oneliners Source: https://github.com/plurigrid/asi/tree/main/skills/uv-oneliners Command: npx skills add https://github.com/plurigrid/asi --skill uv-oneliners
UV Oneliners enables zero-install Python execution by creating ephemeral environments on demand with a chosen set of packages, letting you run multi-package scripts without managing virtual environments or dependencies.
uv run --with matplotlib --with numpy -c "import matplotlib.pyplot as plt; plt.plot([1,2,3]); plt.savefig('/tmp/plot.png')"
High-intent search queries and answers about installing and using this skill.
Ephemeral environments let you execute Python code with arbitrary package combinations on demand using uv run --with pkg1 --with pkg2, creating isolated contexts that disappear after execution without virtualenv or requirements.txt overhead.
Yes. uv run supports composing diverse stacks—AI/ML, data processing, visualization, and development tools—on the fly, letting you experiment rapidly by specifying packages directly in the command without setup or installation.
Use uv run with --with flags to provision packages for that execution only. This approach isolates dependencies per run, avoiding pollution of your system or project environment while maintaining reproducibility.
No. Ephemeral environments created via uv run --with eliminate the need for virtualenv setup or dependency files, letting you execute complex multi-package workflows directly from the command line with on-demand provisioning.
Specify packages inline with uv run --with pkg1 --with pkg2 to build reproducible ephemeral contexts on demand. Each invocation provisions an isolated environment, runs your script, and cleans up automatically.
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