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uv

Skill0 starsChanged 23 days agoMITView on GitHub

Checks whether the uv Python package manager is installed and installs it if missing. Ensures uv is on PATH. Use when another skill requires uv as a prerequisite.

  • Pipes a download into a shell

2 other projects use a version of this.

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The file

We split this skill into the rules it gives an agent

7 rules. About 0 are common, 2 are distinctive, and 5 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈2

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 5

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Ensure uv is available before running any skill that depends on it.

    line 15
  2. Very specific:

    Check if uv is already available: uv --version (or & uv --version in PowerShell).

    line 19
  3. Very specific:

    Check whether uv is installed at its default location but not on PATH:

    line 21
  4. Distinctive:

    If either succeeds, skip to step 4.

    line 26
  5. Distinctive:

    If uv is not installed do these steps in order:

    line 28
  6. Very specific:

    Add uv to PATH and verify (run as a single command):

    line 43
  7. Very specific:

    After setup, bare uv commands should work without repeating the export.

    line 49

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

uv (Python Package Manager)

uv is a fast Python package manager used by Science Skills to run their Python CLI scripts. Many skills depend on uv being installed and on PATH.

Ensure uv is available before running any skill that depends on it.

Setup

  1. Check if uv is already available: uv --version (or & uv --version in PowerShell). If this succeeds, uv is ready — skip the remaining steps.

  2. Check whether uv is installed at its default location but not on PATH:

    • Unix/macOS: "$HOME/.local/bin/uv" --version
    • Windows (PowerShell): & "$HOME\.local\bin\uv.exe" --version

    If either succeeds, skip to step 4.

  3. If uv is not installed do these steps in order:

    (a) Tell the user that uv is a tool for creating a consistent and reliable Python environment used for running the Science Skills, and that you need to install it now.

    (b) Install uv:

    -   **Unix/macOS**: `curl -LsSf https://astral.sh/uv/install.sh | sh`
-   **Windows (PowerShell)**: `powershell -ExecutionPolicy ByPass -c
    "irm https://astral.sh/uv/install.ps1 | iex"`

  4. Add uv to PATH and verify (run as a single command):

    • Unix/macOS: export PATH="$HOME/.local/bin:$PATH" && uv --version
    • Windows (PowerShell): $env:PATH = "$HOME\.local\bin;" + $env:PATH; uv --version

After setup, bare uv commands should work without repeating the export.

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