rust-lang/rust-analyzerNew scan
89/ 100 · B

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

A Rust compiler front-end for IDEs

Rust16,551 starsApache-2.0updated 2d ago
DocumentationREADME, setup, examples, license
85
EngineeringTests, CI, linting, lockfiles
90
Project healthDescription, activity, stars, deps
92

What to fix first

The highest-impact improvements for this repo.

  1. 1
    README
    DocumentationInfo

    Show a quick-start snippet so contributors can see what using your project looks like.

  2. 2
    Install and run instructions
    DocumentationInfo

    Add a .env.example listing all required environment variables so contributors know what to set up.

  3. 3
    Reproducibility
    EngineeringInfo

    Add .github/dependabot.yml with at least one package-ecosystem entry so dependencies are updated automatically.

Detailed breakdown

Documentation

85
  • README85
    • README is present.
    • README is well structured with multiple sections.
    • README includes screenshots or visuals. Great for first impressions.
    • README has no code examples (−15 pts).Show a quick-start snippet so contributors can see what using your project looks like.
    • 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 guide59
    • Contributing guide is present (+6 pts for length); 400+ words earns the full +12 pts.
    • Contributing guide lacks a setup section (−12 pts).Show new contributors how to get a local dev environment running.
    • Contributing guide lacks a code style section (−8 pts).Describe your linting/formatting rules and how to run them (e.g. npm run lint, ruff check .).
    • Contributing guide lacks a testing section (−8 pts).Show contributors how to run the test suite (e.g. npm test, pytest, cargo test).
    • Contributing guide describes the PR/review workflow.
    • Contributing guide has no code examples (−5 pts).Add code blocks showing example commands for setup, running tests, and submitting a PR.
    • 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

90
  • Tests90
    • Test files detected (crates/hir-def/src/expr_store/tests).
    • Rust workspace with test files detected. Run with `cargo test --workspace`.
  • CI/CD100

    Not applicable?

    • CI is configured (.github/workflows/ci.yaml).
    • CI workflow runs tests.
    • CI runs on pull requests, not just on pushes to main.
    • CI workflow runs a lint or format check.
    • CI runs type checking (tsc, mypy, cargo check, etc.).
    • CI reports or uploads test coverage.
    • CI tests across multiple environments or versions.
    • CI includes a build step.
  • Linting and formatting60
    • Linter or formatter configured (.editorconfig).
  • Reproducibility80
    • Lockfile present (Cargo.lock). Installs are reproducible.
    • Environment pinned via .github/actions/github-release/Dockerfile.
    • 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

92
  • Dependency manifest100
    • Dependency manifest found (Cargo.toml).
    • Cargo.toml is a workspace manifest for a multi-crate Rust project.
  • Repository metadata70
    • Repository has a description.
    • Primary language detected: Rust.
  • Activity100
    • Actively maintained (pushed within the last month).
    • 16,551 stars.
  • Housekeeping100
    • .gitignore present.
Repository files32 root entries
  • .cargo
  • .config
  • .github
    Good: CI is configured (.github/workflows/ci.yaml).
    Good: Environment pinned via .github/actions/github-release/Dockerfile.
    Good: Issue or PR templates present.
  • .vscode
  • assets
  • bench_data
  • crates
    Good: Test files detected (crates/hir-def/src/expr_store/tests).
  • docs
    Good: Security policy present.
  • editors
    Good: Licensed under Apache-2.0.
  • lib
  • xtask
  • .codecov.yml
  • .editorconfig
    Good: Linter or formatter configured (.editorconfig).
  • .git-blame-ignore-revs
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .typos.toml
  • AGENTS.md
  • AI_POLICY.md
  • Cargo.lock
    Good: Lockfile present (Cargo.lock). Installs are reproducible.
  • Cargo.toml
    Good: Dependency manifest found (Cargo.toml).
  • CLAUDE.md
  • clippy.toml
  • CONTRIBUTING.md
    Good: Contributing guide is present (+6 pts for length); 400+ words earns the full +12 pts.
    Info: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Info: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them (e.g. npm run lint, ruff check .).
    Info: Contributing guide lacks a testing section (−8 pts).Fix: Show contributors how to run the test suite (e.g. npm test, pytest, cargo test).
    Good: Contributing guide describes the PR/review workflow.
    Info: Contributing guide has no code examples (−5 pts).Fix: Add code blocks showing example commands for setup, running tests, and submitting a PR.
  • josh-sync.toml
  • LICENSE-APACHE
  • LICENSE-MIT
  • PRIVACY.md
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Info: README has no code examples (−15 pts).Fix: Show a quick-start snippet so contributors can see what using your project looks like.
    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.
  • rust-version
  • rustfmt.toml
  • triagebot.toml