astral-sh/uvNew scan
85/ 100 · B

A top-tier open source project. Docs, tests, and CI are all in excellent shape.

An extremely fast Python package and project manager, written in Rust.

Rust86,367 starsApache-2.0updated 2d ago
DocumentationREADME, setup, examples, license
97
EngineeringTests, CI, linting, lockfiles
71
Project healthDescription, activity, stars, deps
100

What to fix first

The highest-impact improvements for this repo.

  1. 1
    CI/CD
    EngineeringWarning

    Add a step like `run: npm test`, `run: pytest`, or `run: tox` to your workflow file.

  2. 2
    CI/CD
    EngineeringInfo

    Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.

  3. 3
    CI/CD
    EngineeringInfo

    Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.

Detailed breakdown

Documentation

97
  • README100
    • README is present.
    • README is well structured with multiple sections.
    • README includes screenshots or visuals. Great for first impressions.
    • README has code examples.
    • README links to a live demo or deployed app.
    • README includes status badges.
  • Install and run instructions90
    • README documents how to install the project.
    • README documents how to run the project.
    • If your project uses environment variables, add a .env.example listing them (+10 pts).Add a .env.example listing all required environment variables so contributors know what to set up.
  • License100
    • Licensed under Apache-2.0.
  • Contributing guide98
    • Contributing guide is detailed and thorough.
    • Contributing guide includes setup/install instructions.
    • Contributing guide describes code style expectations.
    • Contributing guide explains how to run tests.
    • Contributing guide describes the PR/review workflow.
    • Contributing guide includes code examples.
    • Optional: add a Code of Conduct (+5 pts).A CODE_OF_CONDUCT.md signals that your project is welcoming. GitHub has a template you can add in one click.

Engineering

71
  • Tests60
    • Test files detected (crates/uv-client/tests).
  • CI/CD72

    Not applicable?

    • CI is configured (.github/workflows/build-dev-binaries.yml).
    • The CI workflow does not appear to run any tests (−28 pts).Add a step like `run: npm test`, `run: pytest`, or `run: tox` to your workflow file.
    • CI runs on pull requests, not just on pushes to main.
    • CI workflow runs a lint or format check.
    • Optional: add type checking to CI.Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.
    • Optional: report test coverage in CI.Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.
    • CI tests across multiple environments or versions.
    • CI includes a build step.
  • Linting and formatting60
    • Linter or formatter configured (.editorconfig).
    • No linter or type checker configured in pyproject.toml (−80 pts).Add [tool.ruff] for linting and [tool.mypy] for type checking to pyproject.toml.
  • Reproducibility80
    • Lockfile present (Cargo.lock). Installs are reproducible.
    • Environment pinned via Dockerfile.
    • Dockerfile uses multi-stage builds (smaller, more secure images).
    • No Dependabot config (adding it earns up to +20 pts).Add .github/dependabot.yml with at least one package-ecosystem entry so dependencies are updated automatically.
  • Issue and PR templates100
    • Issue or PR templates present.
    • Security policy present.

Project health

100
  • Dependency manifest100
    • Dependency manifest found (Cargo.toml).
    • pyproject.toml has a [project] table with package metadata.
    • pyproject.toml includes a description.
    • pyproject.toml specifies requires-python, preventing installs on incompatible versions.
    • pyproject.toml has a [build-system] table. The package can be built and published.
  • Repository metadata100
    • Repository has a description.
    • Primary language detected: Rust.
    • pyproject.toml [project] metadata is complete (description, authors, urls).
  • Activity100
    • Actively maintained (pushed within the last month).
    • 86,367 stars.
  • Housekeeping100
    • .gitignore present.
Repository files44 root entries
  • .cargo
  • .claude
  • .codex
  • .config
  • .github
    Good: CI is configured (.github/workflows/build-dev-binaries.yml).
    Good: Issue or PR templates present.
  • assets
  • changelogs
  • crates
    Good: Licensed under Apache-2.0.
    Good: Test files detected (crates/uv-client/tests).
  • docs
  • python
  • scripts
  • test
  • _typos.toml
  • .editorconfig
    Good: Linter or formatter configured (.editorconfig).
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .ignore
  • .known-crates
  • .pre-commit-config.yaml
  • .prettierignore
  • .prettierrc
  • .python-versions
  • AGENTS.md
  • BENCHMARKS.md
  • Cargo.lock
    Good: Lockfile present (Cargo.lock). Installs are reproducible.
  • Cargo.toml
    Good: Dependency manifest found (Cargo.toml).
  • CHANGELOG.md
    Good: Contributing guide is detailed and thorough.
    Good: Contributing guide includes setup/install instructions.
    Good: Contributing guide describes code style expectations.
    Good: Contributing guide explains how to run tests.
    Good: Contributing guide describes the PR/review workflow.
    Good: Contributing guide includes code examples.
  • CLAUDE.md
  • clippy.toml
  • CONTRIBUTING.md
  • dist-workspace.toml
  • Dockerfile
    Good: Environment pinned via Dockerfile.
  • LICENSE-APACHE
  • LICENSE-MIT
  • mkdocs.yml
  • pyproject.toml
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • ruff.toml
  • rust-toolchain.toml
  • rustfmt.toml
  • SECURITY.md
    Good: Security policy present.
  • STYLE.md
  • uv.lock
  • uv.schema.json